Academic literature on the topic 'Fabry-Perot cavity devices'

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Journal articles on the topic "Fabry-Perot cavity devices"

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Huang, Cheng-Ping, and Che-Ting Chan. "Deep subwavelength Fabry-Perot resonances." EPJ Applied Metamaterials 1 (2014): 2. http://dx.doi.org/10.1051/epjam/2014003.

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Confinement of light by subwavelength objects facilitates the realization of compact photonic devices and the enhancement of light-matter interactions. The Fabry-Perot (FP) cavity provides an efficient tool for confining light. However, the conventional FP cavity length is usually comparable to or larger than the light wavelength, making them inconvenient for many applications. By manipulating the reflection phase at the cavity boundaries, the FP cavity length could be made much smaller than the wavelength. In this review, we consider the subwavelength FP resonance in a plasmonic system composed of a slit grating backed with a ground plane, covering the spectral range from microwave to THz and infrared regime. For very narrow slit width and spacer thickness, a typical zero-order and deep subwavelength FP resonance in the metallic slits can be strongly induced. Moreover, due to the subwavelength FP resonance, greatly enhanced electromagnetic pressure can also be induced in the system. The sign and magnitude of the electromagnetic pressure are dominated by the field penetration effect in the metal as well as the field enhancement in the FP cavities. The effect promises a variety of potential applications, such as detecting tiny motions and driving the mechanical oscillations.
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Sikdar, Debabrata, and Alexei A. Kornyshev. "An electro-tunable Fabry–Perot interferometer based on dual mirror-on-mirror nanoplasmonic metamaterials." Nanophotonics 8, no. 12 (November 8, 2019): 2279–90. http://dx.doi.org/10.1515/nanoph-2019-0317.

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AbstractMirror-on-mirror nanoplasmonic metamaterials, formed on the basis of voltage-controlled reversible self-assembly of sub-wavelength-sized metallic nanoparticles (NPs) on thin metallic film electrodes, are promising candidates for novel electro-tunable optical devices. Here, we present a new design of electro-tunable Fabry–Perot interferometers (FPIs) in which two parallel mirrors – each composed of a monolayer of NPs self-assembled on a thin metallic electrode – form an optical cavity, which is filled with an aqueous solution. The reflectivity of the cavity mirrors can be electrically adjusted, simultaneously or separately, via a small variation of the electrode potentials, which would alter the inter-NP separation in the monolayers. To investigate optical transmittance from the proposed FPI device, we develop a nine-layer-stack theoretical model, based on our effective medium theory and multi-layer Fresnel reflection scheme, which produces excellent match when verified against full-wave simulations. We show that strong plasmonic coupling among silver NPs forming a monolayer on a thin silver-film substrate makes reflectivity of each cavity mirror highly sensitive to the inter-NP separation. Such a design allows the continuous tuning of the multiple narrow and intense transmission peaks emerging from an FPI cavity via electro-tuning the inter-NP separation in situ – reaping the benefits from both inexpensive bottom-up fabrication and energy-efficient tuning.
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Casalino, M., G. Coppola, M. Gioffrè, M. Iodice, L. Moretti, I. Rendina, and L. Sirleto. "Microcavity Silicon Photodetectors at 1.55 μm." Advances in OptoElectronics 2011 (December 19, 2011): 1–10. http://dx.doi.org/10.1155/2011/965967.

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The design, the realization, and the characterization of silicon resonant cavity enhanced (RCE) photodetectors, working at 1.55 μm, are reported. The photodetectors are constituted by a Fabry-Perot microcavity incorporating a Schottky diode. The working principle is based on the internal photoemission effect. We investigated two types of structures: top and back-illuminated. Concerning the top-illuminated photodetectors, a theoretical and numerical analysis has been provided and the device quantum efficiency has been calculated. Moreover, a comparison among three different photodetectors, having as Schottky metal: gold, silver, or copper, was proposed. Concerning the back-illuminated devices, two kinds of Cu/p-Si RCE photodetectors, having various bottom-mirror reflectivities, were realized and characterized. Device performances in terms of responsivity, free spectral range, and finesse were theoretically and experimentally calculated in order to prove an enhancement in efficiency due to the cavity effect. The back-illuminated device fabrication process is completely compatible with the standard silicon technology.
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SCHMIDT, OLIVER, PETER KIESEL, MICHAEL BASSLER, and NOBLE JOHNSON. "CHIP-SIZE WAVELENGTH DETECTORS." International Journal of High Speed Electronics and Systems 17, no. 04 (December 2007): 661–70. http://dx.doi.org/10.1142/s0129156407004862.

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Chip-size wavelength detectors are described that can resolve the spectrum of the incident light with high accuracy over a broad spectral range. The devices can be configured either as compact spectrometers or precise wavelength shift detectors. Applications that are anticipated to benefit from the spectrometers include reagentless optical identification of analytes in fluidic and aerosol samples. The wavelength shift detector is widely applicable as read-out instrument for optical sensors in which a stimulus (e.g., temperature, strain, PH-value, etc.) results in a wavelength shift of an optical output signal, examples include the interrogation system for Fiber Bragg Grating sensors, photonic crystal sensors, Fabry-Perot type sensors, and sensors in which an analyte influences a laser cavity and thereby its emission wavelength.
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Probert, P. J., and J. E. Carroll. "Lumped circuit model for prediction of linewidth in fabry perot and DFB lasers, including external cavity devices." IEE Proceedings J Optoelectronics 136, no. 1 (1989): 22. http://dx.doi.org/10.1049/ip-j.1989.0007.

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Liu, Xiaoyi, Jinbo Gao, Yanchao Wang, Xiaoyi Wang, Haigui Yang, Haixiang Hu, Jinsong Gao, Tarik Bourouina, and Tianhong Cui. "Simultaneous field enhancement and loss inhibition based on surface plasmon polariton mode hybridization." Nanophotonics 9, no. 9 (April 22, 2020): 2809–16. http://dx.doi.org/10.1515/nanoph-2020-0023.

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AbstractIn common plasmonic configurations, energy loss and field enhancement are mutually restricted. In a vast majority of cases, high confinement goes together with high loss, which is a serious limitation for some applications. In an attempt of breaking this rule, which holds true for surface plasmon polariton (SPP) resonators, a multilayer trench grating microstructure with an asymmetric waveguide is considered. It supports both Fabry-Perot (FP) and cavity modes, whose hybridization exhibits unusual properties. The electric field enhancement was modulated by regulating the corresponding absorption and radiation quality factors. At the same time, energy loss was reduced, which is fundamentally ascribed to the mutual recycling of radiation energy between FP and cavity resonators. The maximum total quality factor and strongest field enhancement were both observed at the vicinity of quasi-static limit, thereby signifying that the structure exhibited simultaneous optimizations of field enhancement and loss inhibition, which is crucial to the design of high-quality SPP-based devices.
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Casalino, M., G. Coppola, M. Iodice, I. Rendina, and L. Sirleto. "Near-Infrared All-Silicon Photodetectors." International Journal of Photoenergy 2012 (2012): 1–6. http://dx.doi.org/10.1155/2012/139278.

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We report the fabrication and characterization of all-silicon photodetectors at 1550 nm based on the internal photoemission effect. We investigated two types of structures: bulk and integrated devices. The former are constituted by a Fabry-Perot microcavity incorporating a Schottky diode, and their performance in terms of responsivity, free spectral range, and finesse was experimentally calculated in order to prove an enhancement in responsivity due to the cavity effect. Results show a responsivity peak of about 0.01 mA/W at 1550 nm with a reverse bias of 100 mV. The latter are constituted by a Schottky junction placed transversally to the optical field confined into the waveguide. Preliminary results show a responsivity of about 0.1 mA/W at 1550 nm with a reverse bias of 1 V and an efficient behaviour in both C and L bands. Finally, an estimation of bandwidth for GHz range is deduced for both devices. The technological steps utilized to fabricate the devices allow an efficiently monolithic integration with complementary metal-oxide semiconductor (CMOS) compatible structures.
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Takahashi, Toshiaki, Yong-Joon Choi, Kazuaki Sawada, and Kazuhiro Takahashi. "A ppm Ethanol Sensor Based on Fabry–Perot Interferometric Surface Stress Transducer at Room Temperature." Sensors 20, no. 23 (November 30, 2020): 6868. http://dx.doi.org/10.3390/s20236868.

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Disease screening by exhaled breath diagnosis is less burdensome for patients, and various devices have been developed as promising diagnostic methods. We developed a microelectromechanical system (MEMS) optical interferometric surface stress sensor to detect volatile ethanol gas at room temperature (26~27 °C) with high sensitivity. A sub-micron air gap in the optical interferometric sensor reduces interference orders, leading to increased spectral response associated with nanomechanical deflection caused by ethanol adsorption. The sub-micron cavity was embedded in a substrate using a transfer technique of parylene-C nanosheet. The sensor with a 0.4 µm gap shows a linear stable reaction, with small standard deviations, even at low ethanol gas concentrations of 5–110 ppm and a reversible reaction to the gas concentration change. Furthermore, the possibility of detecting sub-ppm ethanol concentration by optimizing the diameter and thickness of the deformable membrane is suggested. Compared with conventional MEMS surface stress gas sensors, the proposed optical interferometric sensor demonstrated high-sensitivity gas detection with exceeding the detection limit by two orders of magnitude while reducing the sensing area.
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Salvatori, Stefano, Gennaro Salvatore Ponticelli, Sara Pettinato, Silvio Genna, and Stefano Guarino. "High-Pressure Sensors Based on Laser-Manufactured Sintered Silicon Carbide." Applied Sciences 10, no. 20 (October 13, 2020): 7095. http://dx.doi.org/10.3390/app10207095.

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In this work Sintered Silicon Carbide (S-SiC) samples have been used to fabricate fiber-optic-coupled pressure sensors. The sensor structure reproduces a low-finesse Fabry–Perot (FP) interferometer. Laser manufacturing of cylindrical S-SiC samples was performed to define the thin membrane geometry of sensors. FP cavity is defined by the end-face of a single mode fiber and the S-SiC diaphragm surface. Hence, pressure is evaluated by measuring the cavity depth by a dedicated optoelectronic system coupled to the single mode fiber. Exploiting the excellent properties of S-SiC, in terms of high hardness, low thermal expansion, and high thermal conductivity, realized devices have been characterized up to 20 MPa. Experimental results demonstrate that produced sensors exhibit a non-linearity around ±0.6%F.S. and a high input dynamics. The all-optic sensing system proposed in this work would represent a good alternative to conventional solutions based on piezoelectric effects, overcoming the drawback related to electromagnetic interference on the acquired signals. In addition, the mechanical characteristics of S-SiC allow the use of the sensor in both automotive and aerospace hostile environments as pressure monitors in combustion engines.
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Guo, Wenfeng, Jianxun Liu, Jinrong Liu, Gao Wang, Guanjun Wang, and Mengxing Huang. "A Single-Ended Ultra-Thin Spherical Microbubble Based on the Improved Critical-State Pressure-Assisted Arc Discharge Method." Coatings 9, no. 2 (February 22, 2019): 144. http://dx.doi.org/10.3390/coatings9020144.

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Hollow core microbubble structures are good candidates for the construction of high performance whispering gallery microresonator and Fabry-Perot (FP) interference devices. In the previous reports, most of interest was just focused on the dual-ended microbubble, but not single-ended microbubble, which could be used for tip sensing or other special areas. The thickness, symmetry and uniformity of the single-ended microbubble in previous reports were far from idealization. Thus, a new ultra-thin single-ended spherical microbubble based on the improved critical-state pressure-assisted arc discharge method was proposed and fabricated firstly in this paper, which was fabricated simply by using a commercial fusion splicer. The improvement to former paper was using weak discharge and releasing pressure gradually during the discharging process. Thus, the negative influence of gravity towards bubble deformation was decreased, and the fabricated microbubble structure had a thin, smooth and uniform surface. By changing the arc discharge parameters and the fiber position, the wall thicknesses of the fabricated microbubble could reach the level of 2 μm or less. The fiber Fabry-Perot (FP) interference technique was also used to analyze the deformation characteristic of microbubble under difference filling pressures. Finding the ends of the microbubbles had a trend of elongation with axial compression when the filling pressure was increasing. Its sensitivity to the inner pressure of microbubble samples was about ~556 nm/MPa, the bubble wall thickness was only of about 2 μm. Besides, a high whispering gallery mode (WGM) quality factor that up to 107 was realized by using this microbubble-based resonator. To explain the upper phenomenon, the microbubble was modeled and simulated with the ANSYS software. Results of this study could be useful for developing new single-ended whispering gallery mode micro-cavity structure, pressure sensors, etc.
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Dissertations / Theses on the topic "Fabry-Perot cavity devices"

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Tang, Chee Fai. "A study of the temperature dependent optical properties of InGaAsP-based multiple quantum wells and multilayer structures." Thesis, University of Oxford, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.362008.

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Stamatescu, Laurentiu. "Antiphase dynamics in solid state lasers with Fabry-Perot cavity / by Laurentiu Stamatescu." 2003. http://hdl.handle.net/2440/22000.

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Bibliography: leaves 154-156.
156 leaves : ill. (some col.) ; 30 cm.
Title page, contents and abstract only. The complete thesis in print form is available from the University Library.
This thesis describes the construction of a low-power end pumped Nd:YAG laser and the subsequent theoretical and experimental investigation of the antiphase dynamics exhibited by the laser. The end pumped laser was modelled by extending the classical model of Tang Statz deMars to non-uniform pump along the active medium. The anomalous threshold behaviour of the laser, where modes with lower gain can supass modes with higher gain as the pump power increases, was accounted for. The antiphase dynamics were explored by modulating the pump power and measuring the transfer functions from this input to various outputs. The laser's response to various sources of noise was also studied.
Thesis (Ph.D.)--University of Adelaide, School of Chemistry and Physics, Discipline of Physics and Mathematical Physics, 2003?
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Conference papers on the topic "Fabry-Perot cavity devices"

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Jiao, Wenting, and Junqiang Sun. "Integrated optical filter consisting of micro-ring resonator embedded in Fabry-Perot cavity." In 2020 International Conference on Optoelectronic Materials and Devices, edited by Siting Chen and Pei Wang. SPIE, 2021. http://dx.doi.org/10.1117/12.2592271.

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Liu, Yunqi, and Kin Seng Chiang. "Fiber-Bragg-grating cavity sensor based on a self-seeded Fabry-Perot laser diode." In Passive Components and Fiber-based Devices III. SPIE, 2006. http://dx.doi.org/10.1117/12.689261.

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Lopera, Jhon A., Ana M. Cárdenas, Gladys A. Quintero, Juan D. Zapata, and Jhon J. Granada Torres. "Low-reflective Fabry-Perot Laser Diode Cavity as a Colorless Source on a WDM-PON System." In Photonic Networks and Devices. Washington, D.C.: OSA, 2020. http://dx.doi.org/10.1364/networks.2020.netu2b.3.

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Saha, A. K., and T. Suhara. "Demonstration of Two-Wavelength Lasing in a GaAsP Ring/Fabry-Perot Composite Cavity Semiconductor Laser." In 2015 International Conference on Solid State Devices and Materials. The Japan Society of Applied Physics, 2015. http://dx.doi.org/10.7567/ssdm.2015.a-7-7.

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Li, Zhaosong, Dan Lu, and Yiming He. "A waveguide loss measurement method based on the reflected interferometric pattern of a Fabry-Perot cavity." In Integrated Optics: Devices, Materials, and Technologies XXII, edited by Sonia M. García-Blanco and Pavel Cheben. SPIE, 2018. http://dx.doi.org/10.1117/12.2288922.

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Coppola, Giuseppe, Mario Iodice, Nunzia Saffioti, Rocco C. Zaccuri, Maurizio Indolfi, Ivo Rendina, Alessandra Rocco, and Pietro Ferraro. "Fiber Bragg grating sensor monitoring with thermally tuned Fabry-Perot cavity integrated in an all-silicon rib waveguide." In Integrated Optoelectronic Devices 2005, edited by Joel A. Kubby and Ghassan E. Jabbour. SPIE, 2005. http://dx.doi.org/10.1117/12.590650.

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Han, Yukun, Cheng-Hsiang Lin, Hai-Lung Tsai, Tao Wei, and Hai Xiao. "Temperature-Insensitive Miniaturized Fiber Inline Fabry-Perot Interferometer Fabricated by Femtosecond Laser." In ASME 2008 International Mechanical Engineering Congress and Exposition. ASMEDC, 2008. http://dx.doi.org/10.1115/imece2008-67871.

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This article presents a miniaturized fiber inline Fabry-Perot interferometer (FPI), with an open micro-notch cavity fabricated by one-step femtosecond (fs) laser micromachining, for highly sensitive refractive index measurement. The device was tested for measurement of the refractive indices of various liquids including isopropanol, acetone and methanol at room temperature, as well as the temperature-dependent refractive index of deionized water from 3 to 90°C. The sensitivity for measurement of refractive index change of water was 1163 nm/RIU at the wavelength of 1550 nm. The temperature cross-sensitivity of the device was about 1.1×10−6 RIU/°C. The small size, all-fiber structure, small temperature dependence, linear response and high sensitivity, make the device attractive for chemical and biological sensing.
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Luo, G. L., C. C. Lee, C. L. Cheng, M. H. Tsai, and W. Fang. "CMOS-MEMS Fabry-Perot optical interference device with tunable resonant cavity." In 2013 Transducers & Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems (TRANSDUCERS & EUROSENSORS XXVII). IEEE, 2013. http://dx.doi.org/10.1109/transducers.2013.6627338.

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Kwon, O. K., K. Kim, K. S. Hyun, J. H. Back, B. Lee, and E. H. Lee. "Non-Biased All-Optical Bistable Device Having a P-I-N-I-P Diode Within Asymmetric Fabry-Perot Cavity Structures." In Proceedings of European Meeting on Lasers and Electro-Optics. IEEE, 1996. http://dx.doi.org/10.1109/cleoe.1996.562405.

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