Relevant bibliographies by topics / Emitter-cavity coupling

Academic literature on the topic 'Emitter-cavity coupling'

Author: Grafiati
Published: 10 March 2023

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Journal articles on the topic "Emitter-cavity coupling"

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Ciracì, Cristian, Radoslaw Jurga, Muhammad Khalid, and Fabio Della Sala. "Plasmonic quantum effects on single-emitter strong coupling." Nanophotonics 8, no. 10 (August 14, 2019): 1821–33. http://dx.doi.org/10.1515/nanoph-2019-0199.

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AbstractCoupling between electromagnetic cavity fields and fluorescent molecules or quantum emitters can be strongly enhanced by reducing the cavity mode volume. Plasmonic structures allow light confinement down to volumes that are only a few cubic nanometers. At such length scales, nonlocal and quantum tunneling effects are expected to influence the emitter interaction with the surface plasmon modes, which unavoidably requires going beyond classical models to accurately describe the electron response at the metal surface. In this context, the quantum hydrodynamic theory (QHT) has emerged as an efficient tool to probe nonlocal and quantum effects in metallic nanostructures. Here, we apply state-of-the-art QHT to investigate the quantum effects on strong coupling of a dipole emitter placed at nanometer distances from metallic particles. A comparison with conventional local response approximation (LRA) and Thomas-Fermi hydrodynamic theory results shows the importance of quantum effects on the plasmon-emitter coupling. The QHT predicts qualitative deviation from LRA in the weak coupling regime that leads to quantitative differences in the strong coupling regime. In nano-gap systems, the inclusion of quantum broadening leads to the existence of an optimal gap size for Rabi splitting that minimizes the requirements on the emitter oscillator strength.
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Park, Kyoung-Duck, Molly A. May, Haixu Leng, Jiarong Wang, Jaron A. Kropp, Theodosia Gougousi, Matthew Pelton, and Markus B. Raschke. "Tip-enhanced strong coupling spectroscopy, imaging, and control of a single quantum emitter." Science Advances 5, no. 7 (July 2019): eaav5931. http://dx.doi.org/10.1126/sciadv.aav5931.

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Optical cavities can enhance and control light-matter interactions. This level of control has recently been extended to the nanoscale with single emitter strong coupling even at room temperature using plasmonic nanostructures. However, emitters in static geometries, limit the ability to tune the coupling strength or to couple different emitters to the same cavity. Here, we present tip-enhanced strong coupling (TESC) with a nanocavity formed between a scanning plasmonic antenna tip and the substrate. By reversibly and dynamically addressing single quantum dots, we observe mode splitting up to 160 meV and anticrossing over a detuning range of ~100 meV, and with subnanometer precision over the deep subdiffraction-limited mode volume. Thus, TESC enables previously inaccessible control over emitter-nanocavity coupling and mode volume based on near-field microscopy. This opens pathways to induce, probe, and control single-emitter plasmon hybrid quantum states for applications from optoelectronics to quantum information science at room temperature.
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Proscia, Nicholas V., Harishankar Jayakumar, Xiaochen Ge, Gabriel Lopez-Morales, Zav Shotan, Weidong Zhou, Carlos A. Meriles, and Vinod M. Menon. "Microcavity-coupled emitters in hexagonal boron nitride." Nanophotonics 9, no. 9 (May 24, 2020): 2937–44. http://dx.doi.org/10.1515/nanoph-2020-0187.

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AbstractIntegration of quantum emitters in photonic structures is an important step in the broader quest to generate and manipulate on-demand single photons via compact solid-state devices. Unfortunately, implementations relying on material platforms that also serve as the emitter host often suffer from a tradeoff between the desired emitter properties and the photonic system practicality and performance. Here, we demonstrate “pick and place” integration of a Si3N4 microdisk optical resonator with a bright emitter host in the form of ∼20-nm-thick hexagonal boron nitride (hBN). The film folds around the microdisk maximizing contact to ultimately form a hybrid hBN/Si3N4 structure. The local strain that develops in the hBN film at the resonator circumference deterministically activates a low density of defect emitters within the whispering gallery mode volume of the microdisk. These conditions allow us to demonstrate cavity-mediated out-coupling of emission from defect states in hBN through the microdisk cavity modes. Our results pave the route toward the development of chip-scale quantum photonic circuits with independent emitter/resonator optimization for active and passive functionalities.
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Palstra, Isabelle M., Hugo M. Doeleman, and A. Femius Koenderink. "Hybrid cavity-antenna systems for quantum optics outside the cryostat?" Nanophotonics 8, no. 9 (May 16, 2019): 1513–31. http://dx.doi.org/10.1515/nanoph-2019-0062.

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AbstractHybrid cavity-antenna systems have been proposed to combine the sub-wavelength light confinement of plasmonic antennas with microcavity quality factors Q. Here, we examine what confinement and Q can be reached in these hybrid systems, and we address their merits for various applications in classical and quantum optics. Specifically, we investigate their applicability for quantum-optical applications at noncryogenic temperatures. To this end we first derive design rules for hybrid resonances from a simple analytical model. These rules are benchmarked against full-wave simulations of hybrids composed of state-of-the-art nanobeam cavities and plasmonic-dimer gap antennas. We find that hybrids can outperform the plasmonic and cavity constituents in terms of Purcell factor, and additionally offer freedom to reach any Q at a similar Purcell factor. We discuss how these metrics are highly advantageous for a high Purcell factor, yet weak-coupling applications, such as bright sources of indistinguishable single photons. The challenges for room-temperature strong coupling, however, are far more daunting: the extremely high dephasing of emitters implies that little benefit can be achieved from trading confinement against a higher Q, as done in hybrids. An attractive alternative could be strong coupling at liquid nitrogen temperature, where emitter dephasing is lower and this trade-off can alleviate the stringent fabrication demands required for antenna strong coupling. For few-emitter strong-coupling, high-speed and low-power coherent or incoherent light sources, particle sensing and vibrational spectroscopy, hybrids provide the unique benefit of very high local optical density of states, tight plasmonic confinement, yet microcavity Q.
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Xu, Xingsheng, and Siyue Jin. "Strong coupling of single quantum dots with low-refractive-index/high-refractive-index materials at room temperature." Science Advances 6, no. 47 (November 2020): eabb3095. http://dx.doi.org/10.1126/sciadv.abb3095.

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Strong coupling between a cavity and transition dipole moments in emitters leads to vacuum Rabi splitting. Researchers have not reported strong coupling between a single emitter and a dielectric cavity at room temperature until now. In this study, we investigated the photoluminescence (PL) spectra of colloidal quantum dots on the surface of a SiO2/Si material at various collection angles at room temperature. We measured the corresponding reflection spectra for the SiO2/Si material and compared them with the PL spectra. We observed PL spectral splitting and regarded it as strong coupling between colloidal quantum dots and the SiO2/Si material. Upper polaritons and lower polaritons exhibited anticrossing behavior. We observed Rabi splitting from single-photon emission in the dielectric cavity at room temperature. Through analysis, we attributed the Rabi splitting to strong coupling between quantum dots and bound states in the continuum in the low-refractive-index/high-refractive-index hybrid material.
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Kuznetsov, Alexey, Prithu Roy, Valeriy M. Kondratev, Vladimir V. Fedorov, Konstantin P. Kotlyar, Rodion R. Reznik, Alexander A. Vorobyev, Ivan S. Mukhin, George E. Cirlin, and Alexey D. Bolshakov. "Anisotropic Radiation in Heterostructured “Emitter in a Cavity” Nanowire." Nanomaterials 12, no. 2 (January 13, 2022): 241. http://dx.doi.org/10.3390/nano12020241.

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Tailorable synthesis of axially heterostructured epitaxial nanowires (NWs) with a proper choice of materials allows for the fabrication of novel photonic devices, such as a nanoemitter in the resonant cavity. An example of the structure is a GaP nanowire with ternary GaPAs insertions in the form of nano-sized discs studied in this work. With the use of the micro-photoluminescence technique and numerical calculations, we experimentally and theoretically study photoluminescence emission in individual heterostructured NWs. Due to the high refractive index and near-zero absorption through the emission band, the photoluminescence signal tends to couple into the nanowire cavity acting as a Fabry–Perot resonator, while weak radiation propagating perpendicular to the nanowire axis is registered in the vicinity of each nano-sized disc. Thus, within the heterostructured nanowire, both amplitude and spectrally anisotropic photoluminescent signals can be achieved. Numerical modeling of the nanowire with insertions emitting in infrared demonstrates a decay in the emission directivity and simultaneous rise of the emitters coupling with an increase in the wavelength. The emergence of modulated and non-modulated radiation is discussed, and possible nanophotonic applications are considered.
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Wei, Wei, Qi Liu, Xia Zhang, and Xin Yan. "Single-Photon Emission by the Plasmon-Induced Transparency Effect in Coupled Plasmonic Resonators." Photonics 8, no. 6 (May 26, 2021): 188. http://dx.doi.org/10.3390/photonics8060188.

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The plasmon-induced transparency (PIT) effect with unique spectrum transmission characteristics is a significant property of plasmonic structures. A resonant nanocavity with nanoscale dimensions around a single-photon emitter dramatically enhances the emission rate of the emitter. Thus, we propose detuned resonant nanocavities to manipulate the emission rate of the emitter inside, of which either cell consists of a rectangular resonator surrounded by a U-like resonator. An InGaAs quantum dot in a GaAs nanowire placed in the center of the detuned resonant nanocavity was employed as a single-photon emitter. The finite-difference time domain simulation revealed that the distribution of the electromagnetic field can be affected by changing the coupling intensity between the bright and dark states of the PIT. Consequently, the emission rate of the single-photon emitter was dramatically enhanced by more than 2000 times due to the Purcell effect induced by the PIT in the resonant cavity. With the achievement of an ultrafast single-photon emission rate, the proposed single-photon emitter could have diverse applications in quantum information and quantum communications.
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Pei, Si-Hui, Zi-Xuan Song, Xing Lin, and Wei Fang. "Interaction between light and single quantum-emitter in open Fabry-Perot microcavity." Acta Physica Sinica 71, no. 6 (2022): 060201. http://dx.doi.org/10.7498/aps.71.20211970.

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The interaction between light and matter has attracted much attention not only for fundamental research but also for applications. The open Fabry-Perot cavity provides an excellent platform for such a study due to strong optical confinement, spectral and spatial and tunability, and the feasibility of optical fiber integration. In this review, first, the basic properties of open Fabry-Perot cavities and the fabrication techniques are introduced. Then recent progress of weak coupling, strong coupling and bad emitter regimes is discussed. Finally, the challenges to and perspectives in this respect are presented.
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Wang, Xin, Wen-Xing Yang, Ai-Xi Chen, Ling Li, Tao Shui, Xiyun Li, and Zhen Wu. "Phase-modulated single-photon nonreciprocal transport and directional router in a waveguide–cavity–emitter system beyond the chiral coupling." Quantum Science and Technology 7, no. 1 (January 1, 2022): 015025. http://dx.doi.org/10.1088/2058-9565/ac4425.

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Abstract We propose a potentially practical scheme for the controllable single-photon transport via waveguides which are coupled to a microcavity–emitter system. The microcavity–emitter system consists of a V-type three-level emitter and two or one single-mode microcavity. A driving field is used to drive a hyperfine transition between two upper excited states of the V-type three-level emitter. Beyond chiral coupling between waveguides and microcavity–emitter system, we show that the perfectly nonreciprocal single-photon transport in a single waveguide and the single-photon router with 100% routing probability in two waveguides can be achieved. Interesting enough, whether the nonreciprocal single-photon transport or the single-photon router can be switched periodically by adjusting the phase associated with microcavity–emitter coupling strength and the driving field. The complete physical explanation of the underlying mechanism is presented.
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Ho, Po-Hsun, Damon B. Farmer, George S. Tulevski, Shu-Jen Han, Douglas M. Bishop, Lynne M. Gignac, Jim Bucchignano, Phaedon Avouris, and Abram L. Falk. "Intrinsically ultrastrong plasmon–exciton interactions in crystallized films of carbon nanotubes." Proceedings of the National Academy of Sciences 115, no. 50 (November 20, 2018): 12662–67. http://dx.doi.org/10.1073/pnas.1816251115.

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In cavity quantum electrodynamics, optical emitters that are strongly coupled to cavities give rise to polaritons with characteristics of both the emitters and the cavity excitations. We show that carbon nanotubes can be crystallized into chip-scale, two-dimensionally ordered films and that this material enables intrinsically ultrastrong emitter–cavity interactions: Rather than interacting with external cavities, nanotube excitons couple to the near-infrared plasmon resonances of the nanotubes themselves. Our polycrystalline nanotube films have a hexagonal crystal structure, ∼25-nm domains, and a 1.74-nm lattice constant. With this extremely high nanotube density and nearly ideal plasmon–exciton spatial overlap, plasmon–exciton coupling strengths reach 0.5 eV, which is 75% of the bare exciton energy and a near record for room-temperature ultrastrong coupling. Crystallized nanotube films represent a milestone in nanomaterials assembly and provide a compelling foundation for high-ampacity conductors, low-power optical switches, and tunable optical antennas.
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Dissertations / Theses on the topic "Emitter-cavity coupling"

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Frigenti, Gabriele. "Microbubble resonators for sensing and light generation applications." Doctoral thesis, 2021. http://hdl.handle.net/2158/1237013.

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In this thesis microbubble resonators are studied for their implementation as optical sensors for the characterisation of photoacoustic contrast agents and as micro-cavities for the collection of the emission from single-photon sources. The first study is experimental and focuses on two experiments implementing the microbubble as an all-optical ultra-compact transducer. In particular, in the first experiment the microbubble optical resonances allow to sense the ultrasound wave produced by the contrast agent and deduce its photostability curve, both in a static and in a challenging flow-cytometry configuration. In the second experiment, instead, the microbubble resonances allow to reconstruct the contrast agent absorption spectrum by measuring the temperature shift produced in the system by the optical absorption. In prospective, the microbubble system is promising for the characterisation of novel contrast agents, the analysis of flowing samples (e.g. blood cells oxygenation, detection of venous thrombi and/or circulating tumour cells) and the measurement of absorption spectrum in biological samples. After these experiments, a feasibility study was performed to estimate the performances of the microbubble as a micro-cavity for the collection of fluorescence from single-photon sources. In particular, the coupling of the microbubble optical modes with the fluorescence of dibenzoterrylene molecules is studied and a series of collection figures-of-merit is evaluated. An unusual regime of high dephasing is also considered for the possible implementation of the system for a room temperature experiment.
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Conference papers on the topic "Emitter-cavity coupling"

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Radulaski, Marina, Yan-Kai Tzeng, Jingyuan Linda Zhang, Hitoshi Ishiwata, Konstantinos G. Lagoudakis, Véronique Soulière, Gabriel Ferro, et al. "Emitter-Cavity Coupling in Hybrid Silicon Carbide-Nanodiamond Microdisk Resonators." In CLEO: Science and Innovations. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/cleo_si.2016.sm2e.7.

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Takashima, Hideaki, Andreas W. Schell, Atsushi Fukuda, Shinjiro Fujita, Yasuko Oe, Syunya Kamioka, Masazumi Fujiwara, and Shigeki Takeuchi. "Coupling efficiency of a single light emitter coupled to a nanofiber Bragg cavity." In CLEO: QELS_Fundamental Science. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/cleo_qels.2016.ff2b.5.

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Imany, Poolad, Zixuan Wang, Robert C. Boutelle, Corey A. McDonald, Travis Autry, Ryan A. DeCrescent, Samuel Berweger, Pavel Kabos, Richard P. Mirin, and Kevin L. Silverman. "Cavity-enhanced photon-phonon coupling using a quantum emitter and surface acoustic waves." In Frontiers in Optics. Washington, D.C.: OSA, 2021. http://dx.doi.org/10.1364/fio.2021.jtu1a.80.

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Christensen, D. H., and F. S. Barnes. "Vertical cavity surface emitting laser structure in molecular beam epitaxial GaAs - AlGaAs using multilayer dielectric mirror." In Semiconductor Lasers. Washington, D.C.: Optica Publishing Group, 1987. http://dx.doi.org/10.1364/sla.1987.wa7.

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Several types of surface emitting laser diodes have been fabricated by various groups: the etched mirror device; the vertical cavity device2, and the second order distributed Bragg reflector device3. Operating characteristics of vertical cavity devices have been poor in comparison to the other surface emitter types, however, some characteristics still make it very attractive in potential applications. With the development of high quality epitaxial multilayers of GaAs and AlGaAs for use as mirrors4 and simultaneously as conducting layers, it should be possible to realize vertical cavity devices which operate continuously and are usable in two dimensional array technology. Theoretically, a packing density of one device per four square mils is realizable and thus when scaling to areal arrays, lower optical output per device at a given operating current may be overcome by increased packing density in high power applications. The fabrication of monolithic arrays in this technology is greatly simplified and does not require difficult processing steps for optical output coupling perpendicular to the wafer. Vertical structures are also attractive in the arena of vertical integration of emitters and intracavity loss devices with applications in two dimensional arrays of optical logic elements or controlled modulation independent of emitter bias.
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Do, Thu Ha, Milad Nonahal, Chi Li, Vytautas Valuckas, Arseniy Kuznetsov, Hai Son Nguyen, Igor Aharonovich, and Son Tung Ha. "Room-temperature strong coupling of a single-photon emitter and a bound-state-in-the-continuum cavity (Conference Presentation)." In Quantum Nanophotonic Materials, Devices, and Systems 2022, edited by Mario Agio, Igor Aharonovich, Cesare Soci, and Matthew T. Sheldon. SPIE, 2022. http://dx.doi.org/10.1117/12.2635148.

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Evens, G. A., N. W. Carlson, M. Lurie, J. Hammer, S. L. Palfrey, R. Amantea, D. P. Bour, and J. K. Butler. "Grating-surface-emitting laser arrays." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1989. http://dx.doi.org/10.1364/oam.1989.mhh1.

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In the last several years, considerable work has been directed toward developing surface-emitting semiconductor lasers such as the vertical cavity, etched 45° facet, and grating-coupled surface emitter (GSE). In this paper we review the grating-coupled approach to surface-emitting semiconductor lasers, which has demonstrated monolithic integration of over one hundred semiconductor lasers into a coherent array with the capability of electronic beam steering. Coherent operation is obtained by mutual injection coupling in one direction and evanescent coupling in the other. The threshold current density and efficiency of these lasers are approaching that of conventional cleaved facet lasers. Transparent substrates allow junction down mounting for improved thermal packaging. GSE arrays have been fabricated with wavelengths ranging from 0.77 to 0.88 µm using the AlGaAs material system, from 0.88 to 1.05 µm using strained-layer GaInAs quantum wells, and at 1.3-1.5 µm using the GaInAsP material system. To obtain the ultimate performance from the GSE arrays will put significant demands on the layer uniformity of the semiconductor structure and the fabrication processes. Uses for GSE lasers include incoherent 2-D arrays for pumping solid state lasers, high speed interconnects for integrated circuit chips, and space communications.
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Reports on the topic "Emitter-cavity coupling"

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Warrick, Arthur, Uri Shani, Dani Or, and Muluneh Yitayew. In situ Evaluation of Unsaturated Hydraulic Properties Using Subsurface Points. United States Department of Agriculture, October 1999. http://dx.doi.org/10.32747/1999.7570566.bard.

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The primary information for accurately predicting water and solute movement and their impact on water quality is the characterization of soil hydraulic properties. This project was designed to develop methods for rapid and reliable estimates of unsaturated hydraulic properties of the soil. Particularly, in situ methodology is put forth, based on subsurface point sources. Devices were designed to allow introduction of water in subsurface settings at constant negative heads. The ability to operate at a negative head allows a direct method of finding unsaturated soil properties and a mechanism for eliminating extremely rapid preferential flow from the slow matrix flow. The project included field, laboratory and modeling components. By coupling the measurements and the modeling together, a wider range of designs can be examined, while at the same time realistic performance is assured. The developed methodology greatly expands the possibilities for evaluating hydraulic properties in place, especially for measurements in undisturbed soil within plant rooting zones. The objectives of the project were (i) To develop methods for obtaining rapid and reliable estimates of unsaturated hydraulic properties in situ, based on water distribution from subsurface point sources. These can be operated with a constant flow or at a constant head; (ii) To develop methods for distinguishing between matrix and preferential flow using cavities/permeameters under tension; (iii) To evaluate auxiliary measurements such as soil water content or tensions near the operating cavities to improve reliability of results; and (iv: To develop numerical and analytical models for obtaining soil hydraulic properties based on measurements from buried-cavity sources and the auxiliary measurements. The project began in July 1995 and was terminated in November 1998. All of the objectives were pursued. Three new subsurface point sources were designed and tested and two old types were also used. Two of the three new designs used a nylon cloth membrane (30 mm) arranged in a cylindrical geometry and operating at a negative water pressure (tension). A separate bladder arrangement allowed inflation under a positive pressure to maintain contact between the membrane and the soil cavity. The third new design used porous stainless steel (0.5 and 5 mm) arranged in six segments, each with its own water inlet, assembled to form a cylindrical supply surface when inflated in a borehole. The "old" types included an "off-the-shelf" porous cup as well as measurements from a subsurface drip emitter in a small subsurface cavity. Reasonable measurements were made with all systems. Sustained use of the cloth membrane devices were difficult because of leaks and plugging problems. All of the devices require careful consideration to assure contact with the soil system. Steady flow was established which simplified the analysis (except for the drip emitter which used a transient analysis).
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