Relevant bibliographies by topics / Photonic and electro-optical devices

Academic literature on the topic 'Photonic and electro-optical devices'

Author: Grafiati
Published: 10 December 2022
Last updated: 19 February 2023

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Journal articles on the topic "Photonic and electro-optical devices"

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Li, Jiang, Chaoyue Liu, Haitao Chen, Jingshu Guo, Ming Zhang, and Daoxin Dai. "Hybrid silicon photonic devices with two-dimensional materials." Nanophotonics 9, no. 8 (May 14, 2020): 2295–314. http://dx.doi.org/10.1515/nanoph-2020-0093.

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AbstractSilicon photonics is becoming more and more attractive in the applications of optical interconnections, optical computing, and optical sensing. Although various silicon photonic devices have been developed rapidly, it is still not easy to realize active photonic devices and circuits with silicon alone due to the intrinsic limitations of silicon. In recent years, two-dimensional (2D) materials have attracted extensive attentions due to their unique properties in electronics and photonics. 2D materials can be easily transferred onto silicon and thus provide a promising approach for realizing active photonic devices on silicon. In this paper, we give a review on recent progresses towards hybrid silicon photonics devices with 2D materials, including two parts. One is silicon-based photodetectors with 2D materials for the wavelength-bands from ultraviolet (UV) to mid-infrared (MIR). The other is silicon photonic switches/modulators with 2D materials, including high-speed electro-optical modulators, high-efficiency thermal-optical switches and low-threshold all-optical modulators, etc. These hybrid silicon photonic devices with 2D materials devices provide an alternative way for the realization of multifunctional silicon photonic integrated circuits in the future.
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Babicheva, Viktoriia E., Alexandra Boltasseva, and Andrei V. Lavrinenko. "Transparent conducting oxides for electro-optical plasmonic modulators." Nanophotonics 4, no. 1 (June 16, 2015): 165–85. http://dx.doi.org/10.1515/nanoph-2015-0004.

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Abstract:The ongoing quest for ultra-compact optical devices has reached a bottleneck due to the diffraction limit in conventional photonics. New approaches that provide subwavelength optical elements, and therefore lead to miniaturization of the entire photonic circuit, are urgently required. Plasmonics, which combines nanoscale light confinement and optical-speed processing of signals, has the potential to enable the next generation of hybrid information-processing devices, which are superior to the current photonic dielectric components in terms of speed and compactness. New plasmonic materials (other than metals), or optical materials with metal-like behavior, have recently attracted a lot of attention due to the promise they hold to enable low-loss, tunable, CMOScompatible devices for photonic technologies. In this review, we provide a systematic overview of various compact optical modulator designs that utilize a class of the most promising new materials as the active layer or core— namely, transparent conducting oxides. Such modulators can be made low-loss, compact, and exhibit high tunability while offering low cost and compatibility with existing semiconductor technologies. A detailed analysis of different configurations and their working characteristics, such as their extinction ratio, compactness, bandwidth, and losses, is performed identifying the most promising designs.
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Chigrinov, Vladimir, Qi Guo, and Aleksey Kudreyko. "Photo-Aligned Ferroelectric Liquid Crystal Devices with Novel Electro-Optic Characteristics." Crystals 10, no. 7 (July 1, 2020): 563. http://dx.doi.org/10.3390/cryst10070563.

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This paper examines different applications of ferroelectric liquid crystal devices based on photo-alignment. Successful application of the photo-alignment technique is considered to be a critical breakthrough. A variety of display and photonic devices with azo dye aligned ferroelectric liquid crystals is presented: smart glasses, liquid crystal Pancharatnam–Berry phase optical elements, 2D/3D switchable lenses, and laser therapy devices. Comparison of electro-optical behavior of ferroelectric liquid crystals is described considering the performance of devices. This paper facilitates the optimization of device design, and broadens the possible applications in the display and photonic area.
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He, Li, Huan Li, and Mo Li. "Optomechanical measurement of photon spin angular momentum and optical torque in integrated photonic devices." Science Advances 2, no. 9 (September 2016): e1600485. http://dx.doi.org/10.1126/sciadv.1600485.

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Photons carry linear momentum and spin angular momentum when circularly or elliptically polarized. During light-matter interaction, transfer of linear momentum leads to optical forces, whereas transfer of angular momentum induces optical torque. Optical forces including radiation pressure and gradient forces have long been used in optical tweezers and laser cooling. In nanophotonic devices, optical forces can be significantly enhanced, leading to unprecedented optomechanical effects in both classical and quantum regimes. In contrast, to date, the angular momentum of light and the optical torque effect have only been used in optical tweezers but remain unexplored in integrated photonics. We demonstrate the measurement of the spin angular momentum of photons propagating in a birefringent waveguide and the use of optical torque to actuate rotational motion of an optomechanical device. We show that the sign and magnitude of the optical torque are determined by the photon polarization states that are synthesized on the chip. Our study reveals the mechanical effect of photon’s polarization degree of freedom and demonstrates its control in integrated photonic devices. Exploiting optical torque and optomechanical interaction with photon angular momentum can lead to torsional cavity optomechanics and optomechanical photon spin-orbit coupling, as well as applications such as optomechanical gyroscopes and torsional magnetometry.
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Wei, Xing, and Samuel Kesse. "Heterogeneously Integrated Photonic Chip on Lithium Niobate Thin-Film Waveguide." Crystals 11, no. 11 (November 12, 2021): 1376. http://dx.doi.org/10.3390/cryst11111376.

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Lithium niobate thin film represents as an ideal material substrate for quantum photonics due to its strong electro-optic effect and high-speed modulation capability. Here, we propose a novel platform which heterogeneously integrates single self-assembled InAs/GaAs quantum dots for a single-photon source on a lithium niobate photonic chip. The InAs/GaAs quantum dots can be transferred to the lithium niobate waveguide via a substrate transfer procedure with nanometer precision and be integrated through van der Waals force. A down-tapered structure is designed and optimized to deliver the photon flux generated from the InAs quantum dots embedded in a GaAs waveguide to the lithium niobate waveguide with an overall efficiency of 42%. In addition, the electro-optical effect is used to tune, and therefore to tune the beam splitting ratio of the integrated lithium niobate directional coupler, which can simultaneously route multiple photons to different spatial modes, and subsequently fan out through grating couplers to achieve single-photon sub-multiplexing. The proposed device opens up novel opportunities for achieving multifunctional hybrid integrated photonic chips.
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M, Sivasindhu, and P. Samundiswary. "Performance evaluation of GaAs photonic crystal based directional coupler all optical switch." International Journal of Engineering & Technology 7, no. 3.29 (August 24, 2018): 220. http://dx.doi.org/10.14419/ijet.v7i3.29.18799.

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In future, the telecommunication systems will be totally based upon the photonic integrated circuits and components for the transmission of optical signals. Since optical signals offer high speed, less delay and higher efficiency. This introduces a new research area for photonic crystal based optical components like optical switch, multiplexer, optical filters etc. Among these devices, the optical switch draws more attention due to its primary switching operation. Hence, this paper deals with the modified design structure of GaAs photonic crystal based directional coupler all optical switch which operates at the wavelength of 1300nm. Further the switching performance evaluation of this device is made for both electro optic effect and non-linear optical effect. The design and simulation of the optical switch is done through Comsol Multiphysics software.
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Ghoshal, S. K., and H. S. Tewari. "Photonic applications of Silicon nanostructures." Material Science Research India 7, no. 2 (February 8, 2010): 381–88. http://dx.doi.org/10.13005/msri/070207.

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This presentation highlights of some scientific insights on the possibilities of photonic applications of silicon nanostructures (NSs) one of the most fertile research field in nano-crystallite physics that has innumerable possibilities of device applications. Nanostructured silicon is generic name used for porous Si (p-Si) as well as Si nanocrystals (NC-Si) having length scale of the order of few nanometer. The emission of a very bright photo-luminescence (PL) band and relatively weak electro-luminescence (EL) from low-dimensional silicon has opened up new avenue in recent years. It is important from a fundamental physics viewpoint because of the potential application of Si wires and dots in opto-electronics devices and information technology. Nanostructuring silicon is an effective way to turn silicon into a photonic material. It is observed that low-dimensional (one and two dimensions) silicon shows light amplification, photon confinement, photon trapping as well as non-linear optical effects. There is strong evidence of light localization and gas sensing properties of such NSs. Future nano-technology would replace electrical with optical interconnects that has appealing potentialities for higher-speed performance and immunity to signal cross talk. A varieties of applications includes LD, LED, solar cells, sensors, photonic band gap devices and Fibonacci quasi-crystals, to cite a few.
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Kawanishi, Tetsuya, Atsushi Kanno, Pham Tien Dat, Toshimasa Umezawa, and Naokatsu Yamamoto. "Photonic Systems and Devices for Linear Cell Radar." Applied Sciences 9, no. 3 (February 7, 2019): 554. http://dx.doi.org/10.3390/app9030554.

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This paper reviews linear cell radar systems, which are radar systems consisting of many antenna units connected by radio-over-fiber to monitor linear-shaped areas. A linear cell system using a millimeter-wave band can provide high-resolution imaging for foreign object detection on runways. Electro-optic devices play important roles in linear cell systems to provide a conversion between optical and electric signals. This paper describes overviews of such devices including light sources, photodetectors, and optical modulators, etc.
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Lu, Zhaolin, Kaifeng Shi, and Peichuan Yin. "Photonic MOS Based on “Optical Property Inversion”." MRS Advances 1, no. 23 (December 11, 2015): 1657–69. http://dx.doi.org/10.1557/adv.2015.5.

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Most dielectric materials have very weak electro-optic properties, whereas the optical properties of some plasmonic materials may be greatly tuned, especially around their plasma frequency, where dielectric constant is transiting between positive (“dielectric state”) and negative (“metallic state”) values. In this talk, we will review some of our recent work on electro-optical modulation and introduce a new concept, photonic MOS based on “optical property inversion”. This concept may provide inspiration for the development of nanophotonic devices. While the whole paper only discusses theory and modelling, some new experimental results will be presented in the on-site talk. Throughout this report, “static dielectric constant”,ɛ, refers to material dielectric constant in the DC or radio frequency (RF) regime; “optical dielectric constant”,ε, represents material dielectric constant in the near-infrared regime. This paper was re-written based on an Arxiv file [1].
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Wang, Yan, Tongtong Liu, Jiangyi Liu, Chuanbo Li, Zhuo Chen, and Shuhui Bo. "Organic electro-optic polymer materials and organic-based hybrid electro-optic modulators." Journal of Semiconductors 43, no. 10 (October 1, 2022): 101301. http://dx.doi.org/10.1088/1674-4926/43/10/101301.

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Abstract High performance electro-optic modulator, as the key device of integrated ultra-wideband optical systems, have become the focus of research. Meanwhile, the organic-based hybrid electro-optic modulators, which make full use of the advantages of organic electro-optic (OEO) materials (e.g. high electro-optic coefficient, fast response speed, high bandwidth, easy processing/integration and low cost) have attracted considerable attention. In this paper, we introduce a series of high-performance OEO materials that exhibit good properties in electro-optic activity and thermal stability. In addition, the recent progress of organic-based hybrid electro-optic devices is reviewed, including photonic crystal-organic hybrid (PCOH), silicon-organic hybrid (SOH) and plasmonic-organic hybrid (POH) modulators. A high-performance integrated optical platform based on OEO materials is a promising solution for growing high speeds and low power consumption in compact sizes.
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Dissertations / Theses on the topic "Photonic and electro-optical devices"

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Sánchez, Diana Luis David. "High performance photonic devices for switching applications in silicon photonics." Doctoral thesis, Universitat Politècnica de València, 2017. http://hdl.handle.net/10251/77150.

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El silicio es la plataforma más prometedora para la integración fotónica, asegurando la compatibilidad con los procesos de fabricación CMOS y la producción en masa de dispositivos a bajo coste. Durante las últimas décadas, la tecnología fotónica basada en la plataforma de silicio ha mostrado un gran crecimiento, desarrollando diferentes tipos de dispositivos ópticos de alto rendimiento. Una de las posibilidades para continuar mejorando las prestaciones de los dispositivos fotónicos es mediante la combinación con otras tecnologías como la plasmónica o con nuevos materiales con propiedades excepcionales y compatibilidad CMOS. Las tecnologías híbridas pueden superar las limitaciones de la tecnología de silicio, dando lugar a nuevos dispositivos capaces de superar las prestaciones de sus homólogos electrónicos. La tecnología híbrida dióxido de vanadio/ silicio permite el desarrollo de dispositivos de altas prestaciones, con gran ancho de banda, mayor velocidad de operación y mayor eficiencia energética con dimensiones de la escala de la longitud de onda. El objetivo principal de esta tesis ha sido la propuesta y desarrollo de dispositivos fotónicos de altas prestaciones para aplicaciones de conmutación. En este contexto, diferentes estructuras basadas en silicio, tecnología plasmónica y las propiedades sintonizables del dióxido de vanadio han sido investigadas para controlar la polarización de la luz y para desarrollar otras funcionalidades electro-ópticas como la modulación.
Silicon is the most promising platform for photonic integration, ensuring CMOS fabrication compatibility and mass production of cost-effective devices. During the last decades, photonic technology based on the Silicon on Insulator (SOI) platform has shown a great evolution, developing different sorts of high performance optical devices. One way to continue improving the performance of photonic optical devices is the combination of the silicon platform with another technologies like plasmonics or CMOS compatible materials with unique properties. Hybrid technologies can overcome the current limits of the silicon technology and develop new devices exceeding the performance metrics of its counterparts electronic devices. The vanadium dioxide/silicon hybrid technology allows the development of new high-performance devices with broadband performance, faster operating speed and energy efficient optical response with wavelength-scale device dimensions. The main goal of this thesis has been the proposal and development of high performance photonic devices for switching applications. In this context, different structures, based on silicon, plasmonics and the tunable properties of vanadium dioxide, have been investigated to control the polarization of light and for enabling other electro-optical functionalities, like optical modulation.
El silici és la plataforma més prometedora per a la integració fotònica, assegurant la compatibilitat amb els processos de fabricació CMOS i la producció en massa de dispositius a baix cost. Durant les últimes dècades, la tecnologia fotònica basada en la plataforma de silici ha mostrat un gran creixement, desenvolupant diferents tipus de dispositius òptics d'alt rendiment. Una de les possibilitats per a continuar millorant el rendiment dels dispositius fotònics és per mitjà de la combinació amb altres tecnologies com la plasmònica o amb nous materials amb propietats excepcionals i compatibilitat CMOS. Les tecnologies híbrides poden superar les limitacions de la tecnologia de silici, donant lloc a nous dispositius capaços de superar el rendiment dels seus homòlegs electrònics. La tecnologia híbrida diòxid de vanadi/silici permet el desenvolupament de dispositius d'alt rendiment, amb gran ample de banda, major velocitat d'operació i major eficiència energètica en l'escala de la longitud d'ona. L'objectiu principal d'esta tesi ha sigut la proposta i desenvolupament de dispositius fotònics d'alt rendiment per a aplicacions de commutació. En este context, diferents estructures basades en silici, tecnologia plasmònica i les propietats sintonitzables del diòxid de vanadi han sigut investigades per a controlar la polarització de la llum i per a desenvolupar altres funcionalitats electró-òptiques com la modulació.
Sánchez Diana, LD. (2016). High performance photonic devices for switching applications in silicon photonics [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/77150
TESIS
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Wood, Michael G. "Active Silicon Photonic Devices Based on Degenerate Band Edge Resonances." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480432902683812.

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Liu, Tao. "Photonic Crystal Based Optical Devices." Diss., Tucson, Arizona : University of Arizona, 2005. http://etd.library.arizona.edu/etd/GetFileServlet?file=file:///data1/pdf/etd/azu%5Fetd%5F1294%5F1%5Fm.pdf&type=application/pdf.

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Psaila, Nicholas David. "Photonic devices for integrated optical applications." Thesis, Heriot-Watt University, 2010. http://hdl.handle.net/10399/2325.

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work presented in this thesis encompasses an investigation into the use of ultrafast laser inscription in the fabrication of glass based photonic devices for integrated optical applications. Waveguide fabrication and characterisation experiments were carried out in three categories of glass substrate. Firstly, waveguides were inscribed in an erbium doped glass with the aim of fabricating optical amplifiers and lasers operating in the 1.5 μm spectral region. Low loss waveguides were fabricated in substrates with different dopant concentrations. Fibre to fibre net gain was achieved from one substrate composition, however it was found that ion clustering limited the amount of achievable gain. Laser action was demonstrated by constructing an optical fibre based cavity around the erbium doped waveguide amplifier. Waveguides were also inscribed in bismuth doped glass with the aim of fabricating optical amplifiers and lasers operating in the 1.3 μm spectral region. Low loss waveguides were fabricated, however the initial composition was incapable of providing gain. A proven substrate material was employed, demonstrating ultra-broadband gain spanning more than 250 nm. High losses prevented the achievement of net gain, however the broad potential of the substrate material was highlighted. Finally, waveguides were inscribed in a Chalcogenide glass. Strong refractive index contrasts were observed, with a wide range of waveguiding structures produced. Supercontinuum experiments were carried out in order to confirm the nonlinear behaviour of the waveguides. A spectrally smooth supercontinuum spanning 600 nm was generated, providing a potentially useful source for optical coherence tomography.
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Wang, Jing. "Fabrication and Characterization of Photonic Crystals, Optical Metamaterials and Plasmonic Devices." Doctoral thesis, KTH, Fotonik, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-33600.

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Nanophotonics is an emerging research field that deals with interaction between light and matter in a sub-micron length scale. Nanophotonic devices have found an increasing number of applications in many areas including optical communication, microscopy, sensing, and solar energy harvesting especially during the past two decades. Among all nanophotonic devices, three main areas, namely photonic crystals, optical metamaterials and plasmonic devices, gain dominant interest in the photonic society owning to their potential impacts. This thesis studies the fabrication and characterization of three types of novel devices within the above-mentioned areas. They are respectively photonic-crystal (PhC) surface-mode microcavities, optical metamaterial absorbers, and plasmonic couplers. The devices are fabricated with modern lithography-based techniques in a clean room environment. This thesis particularly describes the critical electron-beam lithography step in detail; the relevant obstacles and corresponding solutions are addressed. Device characterizations mainly rely on two techniques: a vertical fiber coupling system and a home-made optical transmissivity/reflectivity setup. The vertical fiber coupling system is used for characterizing on-chip devices intended for photonic integrations, such as PhC surface-mode cavities and plasmonic couplers. The transmissivity/reflectivity setup is used for measuring the absorbance of metamaterial absorbers. This thesis presents mainly three nanophotonic devices, from fabrication to characterization. First, a PhC surface-mode cavity on a SOI structure is demonstrated. Through a side-coupling scheme, a system quality-factor of 6200 and an intrinsic quality-factor of 13400 are achieved. Such a cavity can be used as ultra-compact optical filter, bio-sensor and etc. Second, an ultra-thin, wide-angle metamaterial absorber at optical frequencies is realized. Experimental results show a maximum absorption peak of 88% at the wavelength of ~1.58μm. The ultra-fast photothermal effect possessed by such noble-metal-based nanostructure can potentially be exploited for making better solar cells. Finally, we fabricated an efficient coupler that channels light from a conventional dielectric waveguide to a subwavelength plasmonic waveguides and vice versa. Such couplers can combine low-loss dielectric waveguides and lossy plasmonic components onto one single chip, making best use of the two.
QC 20110524
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Hua, Yan. "Development of photonic-based measurement devices." Thesis, University of Salford, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.308172.

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Xu, Su. "Optical Fluid-based Photonic and Display Devices." Doctoral diss., University of Central Florida, 2012. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/5585.

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Conventional solid-state photonic devices exhibit an ultra-high optical performance and durability, but minimal adaptability. Recently, optical fluid-based photonic and display devices are emerging. By dynamically manipulating the optical interface formed by liquids, the optical output can be reconfigured or adaptively tuned in real time. Such devices exhibit some unique characteristics that are not achievable in conventional solid-state photonic devices. Therefore, they open a gateway for new applications, such as image and signal processing, optical communication, sensing, and lab-on-a-chip, etc. Different operation principles of optical fluid-based photonic devices have been proposed, for instance fluidic pressure, electrochemistry, thermal effect, environmentally adaptive hydrogel, electro-wetting and dielectrophoresis. In this dissertation, several novel optical fluid-based photonic and display devices are demonstrated. Their working principles are described and electro-optic properties investigated. The first part involves photonic devices based on fluidic pressure. Here, we present a membrane-encapsulated liquid lens actuated by a photo-activated polymer. This approach paves a way to achieve non-mechanical driving and easy integration with other photonic devices. Next, we develop a mechanical-wetting lens for visible and short-wavelength infrared applications. Such a device concept can be extended to longer wavelength if proper liquids are employed. In the second part, we reveal some new photonic and display devices based on dielectrophoretic effects. We conceive a dielectric liquid microlens with well-shaped electrode for fixing the droplet position and lowering the operating voltage. To widen the dynamic range, we demonstrate an approach to enable focus tuning from negative to positive or vice versa in a single dielectric lens without any moving part. The possibility of fabricating microlens arrays with different aperture and density using a simple method is also proposed. Furthermore, the fundamental electro-optic characteristics of dielectric liquid droplets are studied from the aspects of operating voltage, frequency and droplet size. In addition to dielectric liquid lenses, we also demonstrate some new optical switches based on dielectrophoretic effect, e.g., optical switch based on voltage-stretchable liquid crystal droplet, variable aperture or position-shifting droplet. These devices work well in the visible and near infrared spectral ranges. We also extend this approach to display and show a polarizer-free and color filter-free display. Simple fabrication, low power consumption, polarization independence, relatively low operating voltage as well as reasonably fast switching time are their key features.
Ph.D.
Doctorate
Optics and Photonics
Optics and Photonics
Optics
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Cross, Jeffrey Brian. "Alignment tolerant smart photonic optical interconnects." Diss., Georgia Institute of Technology, 1998. http://hdl.handle.net/1853/15756.

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Atabaki, Amir Hossein. "Reconfigurable silicon photonic devices for optical signal processing." Diss., Georgia Institute of Technology, 2011. http://hdl.handle.net/1853/41207.

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Processing of high-speed data using optical signals is a promising approach for tackling the bandwidth and speed challenges of today's electronics. Realization of complex optical signal processing functionalities seems more possible than any time before, thanks to the recent achievements in silicon photonics towards large-scale photonic integration. In this Ph.D. work, a novel thermal reconfiguration technology is proposed and experimentally demonstrated for silicon photonics that is compact, low-loss, low-power, fast, with a large tuning-range. These properties are all required for large-scale optical signal processing and had not been simultaneously achieved in a single device technology prior to this work. This device technology is applied to a new class of resonator-based devices for reconfigurable nonlinear optical signal processing. For the first time, we have demonstrated the possibility of resonance wavelength tuning of individual resonances and their coupling coefficients. Using this new device concept, we have demonstrated tunable wavelength-conversion through four-wave mixing in a resonator-based silicon device for the first time.
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Castera, Molada Pau. "Development of new photonic devices based on barium titanate in silicon." Doctoral thesis, Universitat Politècnica de València, 2017. http://hdl.handle.net/10251/86197.

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Integration of complex optical functionalities with high performance will lead to a huge development in the field of nanophotonics for a broad range of applications. Silicon photonics is currently the leading technology for the implementation of low-cost photonic integrated devices. The great potential of this technology relies on its compatibility with the mature silicon integrated circuits manufacturing based on complementary metal-oxide semiconductor (CMOS) processes widely used in microelectronic industry and the availability of high quality silicon-on-insulator wafers, an ideal platform for creating planar waveguide circuits that offers strong optical confinement due to the high index contrast between silicon (n=3.45) and silicon dioxide (n=1.45). In order to keep improving the performance of photonic devices on silicon, the integration of CMOS compatible materials with unique properties shows up as an excellent opportunity to overcome the current limitations in silicon while offering unprecedented and novel capabilities to the silicon platform. In this way, barium titantate (BaTiO3) stands out as one of the most disruptive candidates. The work developed in this thesis is essentially focused on the design, fabrication and characterization of an electro-optic modulator based on a hybrid BaTiO3 on silicon structure for the implementation of high performance electro-optic functionalities with beyond state-of-the art performance that currently cannot be afforded in silicon photonics technology.
La integración de funcionalidades ópticas con alto rendimiento llevará a un gran desarrollo en el campo de la nanofotónica para un amplio abanico de aplicaciones. Actualmente, la fotónica de silicio es la tecnología líder para la implementación de dispositivos fotónicos integrados a bajo coste. El gran potencial de esta tecnología reside en su compatibilidad con las maduras técnicas de fabricación de circuitos integrados de silicio basadas en los procesos "complementary metal-oxide semiconductor" (CMOS) ampliamente utilizados en la industria microelectrónica y la disponibilidad de disponer de obleas de silicio sobre aislante de alta calidad, una plataforma ideal para crear circuitos de guía de ondas planas que ofrecen un fuerte confinamiento óptico debido al alto contraste índices entre el silicio (n=3,45) y el dióxido de silicio (n=1,45). Para poder mejorar el rendimiento de dispositivos fotónicos en silicio, la integración de materiales con propiedades excepcionales y compatibles con los procesos de fabricación CMOS surge como una excelente oportunidad para superar las actuales limitaciones de la tecnología de silicio al mismo tiempo que ofrece oportunidades novedosas y sin precedentes en la plataforma de silicio. En este sentido, el material titanato de bario (BaTiO3) se postula como uno de los candidatos más prometedores. El trabajo desarrollado en esta tesis está esencialmente enfocado en el diseño, fabricación y caracterización de un modulador electro-óptico basado en una estructura híbrida de BaTiO3 en silicio para la implementación de funcionalidades electro-ópticas de alto rendimiento más allá del estado del arte de las que no se puede disponer actualmente en la tecnología de fotónica de silicio.
La integració de funcionalitats òptiques amb alt rendiment portarà a un gran desenvolupament en el camp de la nanofotònica per a un ampli ventall d'aplicacions. Actualment, la fotònica de silici és la tecnologia capdavantera per a la implementació de dispositius fotònics integrats a baix cost. El gran potencial d'aquesta tecnologia resideix en la seva compatibilitat amb les madures tècniques de fabricació de circuits integrats de silici basades en els processos "complementary metal-oxide semiconductor" (CMOS) amplament utilitzats en la indústria microelectrònica i la disponibilitat de disposar d'hòsties de silici sobre aïllant d'alta qualitat, una plataforma ideal per crear circuits de guia d'ones planes que ofereixen un fort confinament òptic a causa de l'alt contrast d'índexs entre el silici (n=3,45) i el diòxid de silici (n=1,45). Per poder millorar el rendiment de dispositius fotònics en silici, la integració de materials amb propietats excepcionals i compatibles amb els processos de fabricació CMOS sorgeix com una excel·lent oportunitat per superar les actuals limitacions de la tecnologia de silici al mateix temps que ofereix oportunitats noves i sense precedents en la plataforma de silici. En aquest sentit, el material titanat de bari (BaTiO3) es postula com un dels candidats més prometedors. El treball desenvolupat en aquesta tesi està essencialment enfocat en el disseny, fabricació i caracterització d'un modulador electro-òptic basat en una estructura híbrida de BaTiO3 en silici per a la implementació de funcionalitats electro-òptiques d'alt rendiment més enllà de l'estat de l'art de les quals no es pot disposar actualment a la tecnologia de fotònica de silici.
Castera Molada, P. (2017). Development of new photonic devices based on barium titanate in silicon [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/86197
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Books on the topic "Photonic and electro-optical devices"

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Topical Meeting on Photonic Switching (1987 Incline Village, Nev.). Topical Meeting on Photonic Switching: Summaries of papers presented at the Photonic Switching Topical Meeting, March, 18-20, 1987, Incline Village, Nevada. Washington, D.C: Optical Society of America, 1987.

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Europe, SPIE, SPIE (Society), Great Britain. Ministry of Defence. Electro-Magnetic Remote Sensing Defence Technology Centre, and OPTHER, eds. Electro-optical remote sensing, photonic technologies, and applications III: 1-3 September 2009, Berlin, Germany. Bellingham, Wash: SPIE, 2009.

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Dahl, William L. Photonic crystals: Optical properties, fabrication, and applications. New York: Nova Science Publishers, 2011.

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Europe, SPIE, SPIE (Society), and Great Britain. Ministry of Defence. Electro-Magnetic Remote Sensing Defence Technology Centre, eds. Electro-optical remote sensing, photonic technologies, and applications II: 15-16 September 2008, Cardiff, Wales, United Kingdom. Bellingham, Wash: SPIE, 2008.

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Kamerman, Gary W. Electro-optical remote sensing, photonic technologies, and applications IV: 20 and 22-23 September 2010, Toulouse, France. Bellingham, Wash: SPIE, 2010.

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Righini, Giancarlo C. Silicon photonics and photonic integrated circuits: 7-10 April 2008, Strasbourg, France. Bellingham, Wash: SPIE, 2008.

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Righini, Giancarlo C. Silicon photonics and photonic integrated circuits: 7-10 April 2008, Strasbourg, France. Edited by SPIE Europe, Alsace international, Association française des industries de l'optique et de la photonique, and SPIE (Society). Bellingham, Wash: SPIE, 2008.

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Li, Baojun, Baojun Li, and Yao Zhang. Self-imaging phenomena and passive devices in photonic crystals. Hauppauge, N.Y: Nova Science Publishers, 2010.

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Li, Baojun. Self-imaging phenomena and passive devices in photonic crystals. Hauppauge, N.Y: Nova Science Publishers, 2010.

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A, Jenekhe Samson, Wynne Kenneth J. 1940-, Pacific Polymer Federation, and Pacific Polymer Conference (4th : 1995 : Kauai, Hawaii), eds. Photonic and optoelectronic polymers. Washington, DC: American Chemical Society, 1997.

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Book chapters on the topic "Photonic and electro-optical devices"

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Paturzo, M., V. Pagliarulo, S. Grilli, and P. Ferraro. "Electro-Optical Devices Obtained by LiNbO3 Crystals." In Ferroelectric Crystals for Photonic Applications, 475–90. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41086-4_18.

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Vengsarkar, Ashish M. "Optical Fiber Devices." In Photonic Networks, 133–40. London: Springer London, 1997. http://dx.doi.org/10.1007/978-1-4471-0979-2_12.

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Wakita, Koichi. "Photonic Switching Devices." In Semiconductor Optical Modulators, 145–63. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-6071-5_6.

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Wheatley, P., and J. E. Midwinter. "Operating Curves for Optical Bistable Devices." In Photonic Switching, 80–83. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73388-8_15.

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Prise, M. E., N. Streibl, and M. M. Downs. "Computational Properties of Nonlinear Optical Devices." In Photonic Switching, 200–203. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-73388-8_40.

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Hinton, H. Scott, J. R. Erickson, T. J. Cloonan, F. A. P. Tooley, F. B. McCormick, and A. L. Lentine. "Optical Logic Devices." In An Introduction to Photonic Switching Fabrics, 163–244. Boston, MA: Springer US, 1993. http://dx.doi.org/10.1007/978-1-4757-9171-6_4.

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Ribbing, Carl G. "Photonic Structures as Interference Devices." In Optical Interference Coatings, 35–58. Berlin, Heidelberg: Springer Berlin Heidelberg, 2003. http://dx.doi.org/10.1007/978-3-540-36386-6_2.

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Moura, Uiara, Giovanni B. de Farias, João C. S. S. Januário, Márcio C. Argentato, and Sandro M. Rossi. "Photonic Devices for Submarine Optical Amplifiers." In Optical Communications, 211–33. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97187-2_10.

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Kubodera, K. "Nonlinear Optical Devices for Photonic Switching." In Photonic Switching II, 23–29. Berlin, Heidelberg: Springer Berlin Heidelberg, 1990. http://dx.doi.org/10.1007/978-3-642-76023-5_4.

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Binh, Le Nguyen. "Optical Devices for Photonic Signal Processing." In Photonic Signal Processing, 445–500. Second edition. | Boca Raton : Taylor & Francis, a CRC title, part of the Taylor & Francis imprint, a member of the Taylor & Francis Group, the academic division of T&F Informa, plc, [2019]: CRC Press, 2019. http://dx.doi.org/10.1201/9780429436994-10.

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Conference papers on the topic "Photonic and electro-optical devices"

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Guenthner, Andrew J., Michael E. Wright, Stephen Fallis, Gregory R. Yandek, Brian J. Petteys, Jessica J. Cash, De-Yu Zang, Celestino Gaeta, and Maryann Zounes. "Multifunctional polyimides for tailorable high-performance electro-optical devices." In Photonic Devices + Applications, edited by Jean-Michel Nunzi. SPIE, 2007. http://dx.doi.org/10.1117/12.734973.

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Lavrentovich, Oleg D., Hugh A. Wonderly, Mingxia Gu, and Sergij V. Shiyanovskii. "Electro-optical effects in liquid crystals with dielectric dispersion." In Photonic Devices + Applications, edited by Iam Choon Khoo. SPIE, 2008. http://dx.doi.org/10.1117/12.795358.

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Urayama, Kenji, Atsushi Fukunaga, Ichiro Kobayashi, and Toshikazu Takigawa. "Electro-optical effect coupled with macroscopic deformation of swollen nematic elastomers." In Photonic Devices + Applications, edited by Iam Choon Khoo. SPIE, 2007. http://dx.doi.org/10.1117/12.734761.

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Fontanilla-Urdaneta, R., M. P. Hernández-Garay, A. Olivares-Pérez, G. Paéz-Trujillo, and I. Fuentes-Tapia. "Electro-optical characteristics of holographic grating in real time with voltage applied." In Photonic Devices + Applications, edited by Susanna Orlic and Klaus Meerholz. SPIE, 2007. http://dx.doi.org/10.1117/12.735008.

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Sutherland, R. L., V. P. Tondiglia, L. V. Natarajan, P. F. Lloyd, and T. J. Bunning. "Enhancing the electro-optical properties of liquid crystal nanodroplets for switchable Bragg gratings." In Photonic Devices + Applications, edited by Iam Choon Khoo. SPIE, 2008. http://dx.doi.org/10.1117/12.792629.

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Jákli, Antal. "Electro-optical properties and possible applications of bent-core liquid crystals." In SPIE Photonic Devices + Applications, edited by Iam Choon Khoo. SPIE, 2010. http://dx.doi.org/10.1117/12.861294.

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Li, Yang, Jun Li, Zhongxiang Zhou, Amar Bhalla, and Ruyan Guo. "Optical and electro-optic properties of potassium lithium tantalate niobate single crystals." In SPIE Photonic Devices + Applications, edited by Shizhuo Yin and Ruyan Guo. SPIE, 2011. http://dx.doi.org/10.1117/12.904988.

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Prather, Dennis W., Ahmed S. Sharkawy, Shouyuan Shi, and Richard A. Soref. "Electro-optical 2x2 switching in a photonic bandgap waveguided coupler." In Symposium on Integrated Optoelectronic Devices, edited by Ray T. Chen and Joseph C. Chon. SPIE, 2002. http://dx.doi.org/10.1117/12.469655.

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Santos, G., F. J. Fonseca, A. M. Andrade, V. Deichmann, L. Ackcelrud, M. Peres, T. Monteiro, W. Simões, and L. Pereira. "Electro-optical measurements, stability, and physical charge behavior of rare-earth based organic light emitting diode." In Photonic Devices + Applications, edited by Zakya H. Kafafi and Franky So. SPIE, 2007. http://dx.doi.org/10.1117/12.734901.

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Gu, Lanlan, Wei Jiang, Xiaonan Chen, Li Wang, and Ray T. Chen. "High-speed electro-optical silicon modulators based on photonic crystal waveguides." In Integrated Optoelectronic Devices 2007, edited by Joel A. Kubby and Graham T. Reed. SPIE, 2007. http://dx.doi.org/10.1117/12.707802.

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Reports on the topic "Photonic and electro-optical devices"

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Blair, Steve. Engineered Photonic Materials for Nanoscale Optical Logic Devices. Fort Belvoir, VA: Defense Technical Information Center, February 2004. http://dx.doi.org/10.21236/ada422569.

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Bromenshenk, Jerry J., Edwin H. Abbott, David Dickensheets, Richard P. Donovan, J. D. Hobbs, Lee Spangler, Michele A. McGuirl, et al. Investigation of Electron Transfer-Based Photonic and Electro-Optic Materials and Devices. Office of Scientific and Technical Information (OSTI), March 2008. http://dx.doi.org/10.2172/926173.

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Hill, Richard A. Development of Highly Active Electro-Optic Polymers for In-Line Fiber Photonic Devices. Fort Belvoir, VA: Defense Technical Information Center, March 1998. http://dx.doi.org/10.21236/ada345658.

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Dorsinville, Roger. Organic Ultrafast Nonlinear Optical Devices Characterization of Organic Photonic Materials. Fort Belvoir, VA: Defense Technical Information Center, February 1999. http://dx.doi.org/10.21236/ada361347.

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Glushko, E. Ya, and A. N. Stepanyuk. Optopneumatic medium for precise indication of pressure over time inside the fluid flow. Астропринт, 2018. http://dx.doi.org/10.31812/123456789/2874.

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In this work, a gas-filled 1D elastic pneumatic photonic crystal is proposed as an optical indicator of pressure which can unite several pressure scales of magnitude. The indicator includes layered elastic platform, optical fibers and switching valves, all enclosed into a chamber. We have investigated the pneumatic photonic crystal bandgap structure and light reflection changes under external pressure. At the chosen parameters the device may cover the pressure interval (0, 10) bar with extremely high accuracy (1 μbar) for actual pressures existing inside the biofluid systems of biological organisms. The size of the indicator is close to 1 mm and may be decreased. The miniaturized optical devices considered may offer an opportunity to organize simultaneous and total scanning monitoring of biofluid pressure in different parts of the circulatory systems.
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Patel, Jay S. Fast Electro-Optic Devices for Next Generation Optical Cross-Connects. Fort Belvoir, VA: Defense Technical Information Center, September 2001. http://dx.doi.org/10.21236/ada397966.

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Battiato, James M., Thomas W. Stone, Miles J. Murdocca, Rebecca J. Bussjager, and Paul R. Cook. Free Space Optical Memory Based on Vertical Cavity Surface Emitting Lasers and Self-Electro-Optic Effect Devices. Fort Belvoir, VA: Defense Technical Information Center, April 1995. http://dx.doi.org/10.21236/ada297049.

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Pandey, R. K. Growth of Device Quality Bulk Single Crystal of Pb-K-Niobate (PKN) for SAW (Surface Acoustic Wave)-Devices and Electro-Optical Applications. Fort Belvoir, VA: Defense Technical Information Center, December 1985. http://dx.doi.org/10.21236/ada179716.

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CIE 245:2021 Optical Safety of Infrared Eye Trackers Applied for Extended Durations. International Commission on Illumination (CIE), 2021. http://dx.doi.org/10.25039/tr.245.2021.

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Infrared eye trackers are employed to achieve communication through gaze interaction, which is an important application of modern electro-optics and computer technology to the benefit of persons with disabilities who have major motor impairments, as well as for general use as a human-to-computer interaction device. By tracking eye movements of persons with severe motor disabilities, the individuals can interact with automated equipment through movements of their gaze. In addition to purely passive systems, which may only employ ambient lighting, more typical eye trackers employ active infrared eye-tracking techniques. However, questions have arisen with regard to the potential optical radiation hazards of using infrared eye trackers for the much-extended durations of 10 to 12 hours each day for a lifetime. Conventional eye trackers employed in the research setting would rarely be used for more than an hour. Several exposure guidelines exist today, but the question has arisen whether the chronic nature of exposure for such an infrared illuminator for assistive devices falls outside the assumed conditions of daily exposure. This technical report explores the basis of the current human exposure guidelines, their scientific basis and underlying assumptions in order to determine the direct applicability of these guidelines to this application. It is found that the most limiting exposure criterion is the infrared exposure limit to protect against delayed changes in the crystalline lens of the eye. The Technical Committee also examined some representative eye trackers and found that the day-long average exposure in these typical examples of current technology did not exceed that criterion.
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