Modal Gain and Loss in Three-Layer Optical Waveguides by Nikhil Polley, Tso-Min Chou, Weida Zhang, Ethan Chou, Jerome K. Butler, Gary A. Evans

“…The formulae derived in this study can be useful for periodic optical waveguides, semiconductor lasers, optical amplifiers, distributed reflector lasers, optical waveguide isolators, and silicon photonic waveguides. …”
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Modulation Bandwidth Enhancement in Distributed Reflector Laser Based on Identical Active Layer Approach by Yuanfeng Mao, Zhengliang Ren, Lu Guo, Hao Wang, Ruikang Zhang, Yongguang Huang, Dan Lu, Qiang Kan, Chen Ji, Wei Wang

Subjects: “…Distributed reflector laser…”
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Photonic Characterization and Modeling of Highly Efficient Color Conversion Layers With External Reflectors by Guan-Ying Lee, Shao-Yi Weng, Wan-Hua Ho, Chun-Wei Huang, Han-Yu Chao, Sheng-Kai Huang, Hao-Chung Kuo, Chung-Chih Wu, Chien-Chung Lin

“…The best color conversion efficiency of a single color CCL reached as high as 20.7%. A set of distributed Bragg reflector mirrors was used to increase photon recycling, and these mirrors yielded an increase in peak intensity of 35.7%. …”
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Wide-angle all-optical filtering via defective distributed Bragg reflectors by Forough Bozorgzadeh

“…Abstract In this paper, we propose a distributed Bragg reflector (DBR) involving active atoms doped in the defect layer to manipulate the transmission and group velocity of a weak probe field. …”
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Non-dispersive Fano resonances in hybrid plasmonic-distributed Bragg reflector structures by Wang Shuangshuang, Hu Huatian, Liu Xiaoze, Ding Tao

“…Fano resonance due to coupling of plasmon mode and Bragg modes is revealed without strong angular dependence based on Au nanoparticle on distributed Bragg reflectors (Au NPoDBRs). This Fano interference involves three-modes-coupling: the nanoparticle’s plasmon resonance, dispersive Bragg modes, and non-dispersive Bragg modes. …”
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High Reflectivity YDH/SiO2 Distributed Bragg Reflector for UV-C Wavelength Regime by Mohd Sharizal Alias, Abdullah A. Alatawi, Wong Kim Chong, Malleswararao Tangi, Jorge A. Holguin-Lerma, Edgars Stegenburgs, Mohammad Khaled Shakfa, Tien Khee Ng, Abdulrahman M. Albadri, Ahmed Y. Alyamani, Boon S. Ooi

“…A distributed Bragg reflector (DBR) composed of Y₂O₃-doped HfO₂ (YDH)/SiO₂ layers with high reflectivity spectrum centered at a wavelength of ∼240 nm is fabricated using radio-frequency magnetron sputtering. …”
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Determination of Reactive RF-Sputtering Parameters for Fabrication of SiOx Films With Specified Refractive Index, for Highly Reflective SiOx Distributed Bragg Reflector by Elnaz Afsharipour, Byoungyoul Park, Cyrus Shafai

“…The functionality of using the proposed method in fabricating optical components was further evaluated by fabricating a distributed Bragg reflector (DBR) consisting of 4.5 pairs, whose refractive indices of the layers were determined by the proposed method. …”
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Polarization-adjustable color reflector based on Fano resonance by Junyang Zhu, Qi Wang, Ruimei Zeng, Yiqun Zhou, Ruijin Hong, Dawei Zhang

“…The reflector integrates a broadband filter with a narrowband filter, while the T-shaped aluminum (Al) microstructure in the top layer facilitates tunable reflection spectra. …”
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Surface Micro-Reflector Array for Augmented Reality Display by Zhanjun Yan, Chunlei Du, Lixin Zhang

“…The transmission and expansion of the light bearing image are completed by using planar waveguide and micro-reflector array embedded in the surface layer of waveguide. …”
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Optically pumped GaN-based vertical cavity surface emitting laser with strain-compensated AlGaN/InGaN distributed Bragg reflector by T. Kawashima, M. Kaminishi, C. Kimura, S. Sato

“…We proposed a strain-compensated distributed Bragg reflector (DBR) with high reflectivity and a practical growth time. …”
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Polymer planar microcavities with CdSe‐ZnS core‐shell quantum dots for label‐free vapor sensing by Laura Magnasco, Martina Martusciello, Andrea Escher, Giovanni Manfredi, Paola Lova, Davide Comoretto, Andrea Lanfranchi

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Improving P-Doped DBRs Operation at Cryogenic Temperatures: Investigating Different Mirror Geometry by Behzad Namvar, Topi Uusitalo, Heikki Virtanen, Mircea Guina, Jukka Viheriala

“…In order to achieve energy-efficient operation of a cryo-VCSEL, whether by passing current through the mirrors or utilizing intra-cavity contacts, a critical bottleneck for improving the operation is related to the p-doped distribute Bragg Reflectors (DBRs). This is because holes exhibit lower mobility and lower thermal conductivity compared to their n-side counterparts. …”
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High Reflectivity, Compact, and Widely Tunable Distributed Bragg Reflector Based on Silicon-Rich SiN_x-SiO_y at 80 °C PECVD by Irene Rodríguez Lamoso, Sascha Preu

“…Varying the deposition parameters using SiH₄ and N₂ as precursor gases for silicon-rich SiN_x thin films allows us to tune the refractive index to a value as high as 2.40 ± 0.013 at an extinction coefficient of only 0.008, an extremely low surface roughness of only 0.26 nm, and a compressive stress of about 150 MPa. We deposited 6.5-layer pairs of silicon-rich SiN_x/SiO_y-distributed Bragg reflector (DBR) micro-electro-mechanical system (MEMS) mirror that covers the whole 1300 and 1550 nm range. …”
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Structure Design of UVA VCSEL for High Wall Plug Efficiency and Low Threshold Current by Bing An, Yukun Wang, Yachao Wang, Zhijie Zou, Yang Mei, Hao Long, Zhiwei Zheng, Baoping Zhang

“…The number of distributed Bragg reflector (DBR) pairs also plays crucial roles in the device’s photoelectric performance. …”
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Optimization and analysis of neutron distribution on 30 MeV cyclotron-based double layer beam shaping assembly (DLBSA) by Bilalodin, G. B. Suparta, A. Hermanto, D. S. Palupi, Y. Sardjono, Rasito

“…Design and optimization of double layer Beam Shaping Assembly (DLBSA) has been conducted using the MCNPX code. …”
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INFLUENCE OF LASER BEAM PROFILE ON LIGHT SCATTERING BY HUMAN SKIN DURING PHOTOMETRY BY ELLIPSOIDAL REFLECTORS by M. A. Bezuglyi, N. V. Bezuglaya, S. Kostuk

“…The purpose of the current research is estimation of influence of energy distribution profile in transversal section of laser beam on light scattering by human skin layers at photometry by ellipsoidal reflectors.Biomedical photometer with ellipsoidal reflectors for investigation of biological tissue specimens in transmitted and reflected light uses laser probing radiation with infinitely thin, Gauss-type and uniform cross-section profile. …”
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High-Efficiency Grating Coupler in 400 nm and 500 nm PECVD Silicon Nitride With Bottom Reflector by Siddharth Nambiar, Abhai Kumar, Rakshitha Kallega, Praveen Ranganath, Shankar Kumar Selvaraja

“…We design and experimentally demonstrate highly efficient Silicon Nitride based grating couplers with bottom distributed Bragg reflectors. All the layers were deposited using plasma enhanced chemical vapor deposition processing. …”
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Efficient Tandem Organic Light Emitting Diode Using Organic Photovoltaic Charge Generation Layer by Akanksha Jetly, Rajesh Mehra

“…Further with the introduction of Distributed Bragg Reflector (DBR), enhancement in current efficiency and brightness of tandem red device are observed due to high reflectance property of DBR. …”
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Thickness Model of the Adhesive on Spacecraft Structural Plate by Yanhui Guo, Peibo Li, Yanpeng Chen, Xinfu Chi, Yize Sun

“…The thickness of the adhesive is a critical factor influencing the quality of the optical solar reflector (OSR) adhesion. The thickness of the adhesive layer depends on the equivalent fluid height and the ratio of the fluid flow rate to the squeegee speed below the squeegee. …”
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Enhanced surface emission in terahertz quantum cascade lasers using plasma layer assisted photonic crystal waveguides by Mingxi Chen, Mingxi Chen, Tsung-Tse Lin, Tsung-Tse Lin, Li Wang, Hideki Hirayama, Chiko Otani, Chiko Otani

“…Although photonic crystal structures and distributed Bragg reflectors have been explored to enhance surface emission, intrinsic limitations in emission area scaling and brightness improvement persist. …”
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