Prof. Daoxin Dai Profile

Prof. Daoxin Dai

Professor at Zhejiang Univ

SPIE Involvement:

Conference Program Committee | Editorial Board Member: Advanced Photonics Nexus | Editorial Board Member: Photonics Insights | Author | Editor

Publications (52)

SPIE Journal Paper | 21 October 2024 Open Access

First demonstration of lithium niobate photonic chip for dense wavelength-division multiplexing transmitters

Hongxuan Liu, Bingcheng Pan, Huan Li, Zejie Yu, Liu Liu, Yaocheng Shi, Daoxin Dai

AP, Vol. 6, Issue 06, 066001, (October 2024) https://doi.org/10.1117/12.10.1117/1.AP.6.6.066001

KEYWORDS: Dense wavelength division multiplexing, Transmitters, Waveguides, Modulation, Modulators, Reflection, Electrodes, Lithium niobate, Tunable filters, Chip manufacturing

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SPIE Journal Paper | 24 May 2024 Open Access

High-performance silicon arrayed-waveguide grating (de)multiplexer with 0.4-nm channel spacing

Xiaowan Shen, Weike Zhao, Huan Li, Daoxin Dai

APN, Vol. 3, Issue 03, 036012, (May 2024) https://doi.org/10.1117/12.10.1117/1.APN.3.3.036012

KEYWORDS: Arrayed waveguide gratings, Waveguides, Silicon, Crosstalk, Design, Fabrication, Photonics, Dense wavelength division multiplexing, Silicon photonics, Scanning electron microscopy

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Proceedings Article | 18 March 2024 Paper

Cascaded traveling wave electrodes designed for group velocity matching in electro-optic modulation

Siyuan Wang, Mai Wang, Hongxuan Liu, Bingcheng Pan, Chenlei Li, He Gao, Zejie Yu, Liu Liu, Daoxin Dai

Proceedings Volume 13104, 131043K (2024) https://doi.org/10.1117/12.3023497

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Proceedings Article | 18 March 2024 Paper

All optical wavelength selective switch based on lithium-niobate-on-insulator microring resonators

Minran Li, Ming Zhang, Daoxin Dai

Proceedings Volume 13104, 1310479 (2024) https://doi.org/10.1117/12.3025145

KEYWORDS: Microrings, Quantum switching, Microresonators, Resonators, Quantum processes, Silicon, Quantum systems, Quantum photonics, Optical switching, All optical switching

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Proceedings Article | 28 November 2023 Poster + Paper

Selective silicon photonic polarizer with phase change material

Qingbo Wu, Shan Gao, Huan Li, Ming Zhang, Daoxin Dai

Proceedings Volume 12764, 127641A (2023) https://doi.org/10.1117/12.2686565

KEYWORDS: Waveguides, Polarizers, Analog to digital converters, Silicon photonics, Refractive index, Polarization, Crystals, Silicon, Phase matching, Polarized light

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SPIE Journal Paper | 22 November 2023 Open Access

On-chip digitally tunable positive/negative dispersion controller using bidirectional chirped multimode waveguide gratings

Shujun Liu, Ruitao Ma, Zejie Yu, Yaocheng Shi, Daoxin Dai

AP, Vol. 5, Issue 06, 066005, (November 2023) https://doi.org/10.1117/12.10.1117/1.AP.5.6.066005

KEYWORDS: Dispersion, Waveguides, Picosecond phenomena, Switching, Photonics, Reflection, Optical switching, Optical gratings, Silicon, Wave propagation

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SPIE Journal Paper | 9 November 2023 Open Access

Reconfigurable optical add-drop multiplexers for hybrid mode-/wavelength-division-multiplexing systems

Xiaolin Yi, Weike Zhao, Chenlei Li, Long Zhang, Yuluan Xiang, Chaoyue Liu, Yaocheng Shi, Liu Liu, Daoxin Dai

APN, Vol. 2, Issue 06, 066004, (November 2023) https://doi.org/10.1117/12.10.1117/1.APN.2.6.066004

KEYWORDS: Switches, Waveguides, Multiplexers, Photonics, Multiplexing, Electroluminescence, Fabrication, Eye, Evanescence, Data transmission

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Proceedings Article | 10 April 2023 Paper

On-chip digitally-tunable dispersion management

Shujun Liu, Dajian Liu, Zejie Yu, Liu Liu, Yaocheng Shi, Daoxin Dai

Proceedings Volume 12614, 1261406 (2023) https://doi.org/10.1117/12.2672783

KEYWORDS: Dispersion, Optical switching, Waveguides, Fabrication, Bragg gratings, Reflection, Silicon photonics, Silicon, Light wave propagation

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Proceedings Article | 29 March 2023 Open Access

Ultra-high-efficiency tunable silicon photonic filter

Hongyuan Cao, Huan Li, Daoxin Dai

Proceedings Volume 12601, 126010G (2023) https://doi.org/10.1117/12.2667180

KEYWORDS: Tunable filters, Waveguides, Silicon photonics, Optical filters, Integrated optics, All optical devices, Thermal optics

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SPIE Journal Paper | 24 February 2023 Open Access

Realization of advanced passive silicon photonic devices with subwavelength grating structures developed by efficient inverse design

Jingshu Guo, Laiwen Yu, Hengtai Xiang, Yuqi Zhao, Chaoyue Liu, Daoxin Dai

APN, Vol. 2, Issue 02, 026005, (February 2023) https://doi.org/10.1117/12.10.1117/1.APN.2.2.026005

KEYWORDS: Design and modelling, Silicon photonics, Waveguides, Photonic devices, Photonics, Optical gratings, Finite-difference time-domain method, Electroluminescence, Photonic integrated circuits, Mathematical optimization

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Proceedings Article | 18 April 2021 Presentation + Paper

Silicon photonic devices for wavelength/mode-division-multiplexing

Daoxin Dai, Zhuoning Zhu, Weike Zhao, Yiwei Xie, Dajian Liu

Proceedings Volume 11775, 117750E (2021) https://doi.org/10.1117/12.2588925

KEYWORDS: Silicon photonics, Wavelength division multiplexing, Waveguides, Waveguide modes, Photonic devices, Data transmission

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Proceedings Article | 5 March 2021 Presentation + Paper

Silicon photonics nonlinear switch as conditional circulator for single-aperture LIDAR systems

Mingfei Ding, Yiwei Xie, Changping Zhang, Min Teng, Abu Naim Ahmed, Reza Safian, Swapnajit Chakravarty, Pengcheng Jiao, Daoxin Dai, Leimeng Zhuang

Proceedings Volume 11691, 116910L (2021) https://doi.org/10.1117/12.2583184

KEYWORDS: LIDAR, Switches, Silicon photonics, Complex systems, Silicon, Waveguides, Nonlinear control, Transmitters, Signal to noise ratio, Signal processing

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Proceedings Article | 5 March 2021 Paper

Silicon photonic switches

Daoxin Dai, Lijia Song, Huan Li

Proceedings Volume 11692, 1169207 (2021) https://doi.org/10.1117/12.2579318

KEYWORDS: Switches, Silicon photonics, Signal attenuation, Wavelength division multiplexing, Switching, Resonators, Photonic devices, Microrings, Mach-Zehnder interferometers

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Proceedings Article | 19 November 2019 Paper

A silicon-graphene hybrid waveguide photodetector with a 3dB-bandwidth of 17 GHz

Jiang Li, Yanlong Yin, Jingshu Guo, Chaoyue Liu, Daoxin Dai

Proceedings Volume 11184, 111840K (2019) https://doi.org/10.1117/12.2538719

KEYWORDS: Silicon, Waveguides, Photodetectors, Resistance

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Proceedings Article | 19 November 2019 Paper

Silicon-plus photonic devices for on-chip light-manipulation and photodetection

Daoxin Dai, Jiang Li, Lijia Song

Proceedings Volume 11182, 1118206 (2019) https://doi.org/10.1117/12.2538255

KEYWORDS: Silicon photonics, Silicon, Photonic devices, Photodetectors, Metals, Germanium, Nanowires

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Proceedings Article | 19 November 2019 Paper

Microring lasers based on Si3N4 optical waveguides cladded with perovskite quantum-dot film

Erhu Liu, Linghai Meng, Yuluan Xiang, Daoxin Dai, Haizheng Zhong

Proceedings Volume 11184, 1118418 (2019) https://doi.org/10.1117/12.2538743

KEYWORDS: Microrings, Quantum dots, Composites, Waveguides, Perovskite, Electron beam lithography, Electron beams, Lithography, Plasma, Coating

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Proceedings Article | 6 November 2018 Paper

Silicon-plus photonics for light manipulation and photodetection

Daoxin Dai, Jiang Li, Yanlong Yin

Proceedings Volume 10812, 108120F (2018) https://doi.org/10.1117/12.2503373

KEYWORDS: Silicon, Silicon photonics, Photodetectors, Metals, Photonics, Waveguides, Nanowires, Germanium, Graphene, Semiconductors

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Proceedings Article | 25 October 2018 Paper

Reconfigurable photonic integrated devices on silicon

Daoxin Dai, Dajian Liu, Shipeng Wang

Proceedings Volume 10823, 108230B (2018) https://doi.org/10.1117/12.2503374

KEYWORDS: Silicon, Optical filters, Optical switching, Waveguides, Photonic devices, Silicon photonics, Graphene, Microrings, Thermal optics

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Proceedings Article | 22 February 2018 Presentation + Paper

Reconfigurable photonic integrated circuits on silicon

Daoxin Dai, Dajian Liu, Shipeng Wang

Proceedings Volume 10536, 105361K (2018) https://doi.org/10.1117/12.2288409

KEYWORDS: Optical switching, Silicon, Wavelength division multiplexing, Waveguides, Multiplexers, Switches, Photonic integrated circuits, Photonic devices, Thermal optics, Microrings

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Proceedings Article | 22 February 2018 Presentation + Paper

Silicon photonic integrated devices for mode-/polarization-manipulations

D. Dai, Erhu Liu, Hao Wu, Chenlei Li, Ying Tan, Xiaohui Jiang

Proceedings Volume 10537, 1053714 (2018) https://doi.org/10.1117/12.2288397

KEYWORDS: Waveguides, Polarization, Silicon photonics, Silicon, Multiplexers, Optical interconnects, Nanowires, Photonic devices, Photonic integrated circuits, Optical filters

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Proceedings Article | 12 January 2018 Paper

Optical micro-cavities on silicon

Daoxin Dai, Erhu Liu, Ying Tan

Proceedings Volume 10622, 1062203 (2018) https://doi.org/10.1117/12.2288580

KEYWORDS: Silicon, Optical filters, Microrings, Graphene, Waveguides, Polarization, Optical microcavities, Resonators, Multiplexers

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Proceedings Article | 12 January 2018 Paper

SU-8 optical waveguides and devices for the 2μm wavelength range

Haifeng Shan, Jingshu Guo, Daoxin Dai

Proceedings Volume 10622, 106220K (2018) https://doi.org/10.1117/12.2295252

KEYWORDS: Waveguides, Polymers, Near field optics, Mid-IR, Lithography, Microrings, Resonators, Photonic integrated circuits

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Proceedings Article | 17 May 2017 Presentation + Paper

Reconfigurable silicon photonics: devices and circuits

Daoxin Dai, Haifeng Shan, Lijia Song, Shipeng Wang

Proceedings Volume 10242, 1024207 (2017) https://doi.org/10.1117/12.2265209

KEYWORDS: Thermal optics, Optical filters, Optical switching, Photonic integrated circuits, Silicon photonics, Silicon, Integrated circuit design, Integrated circuits, Telecommunications, Integrated optics, Multiplexers, Graphene, Photonic devices

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Proceedings Article | 4 November 2016 Paper

Versatile asymmetric directional couplers on silicon

Daoxin Dai, Chenlei Li

Proceedings Volume 10027, 100270U (2016) https://doi.org/10.1117/12.2245130

KEYWORDS: Silicon, Directional couplers, Waveguides, Polarization, Microrings, Resonators, Optical switching, Brain-machine interfaces, Phase matching, Optical filters

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Proceedings Article | 12 August 2015 Paper

Utilization of thermal effects for silicon photonics

Daoxin Dai, Longhai Yu, Sitao Chen, Hao Wu

Proceedings Volume 9624, 962402 (2015) https://doi.org/10.1117/12.2192806

KEYWORDS: Metals, Silicon, Silica, Graphene, Silicon photonics, Thermal effects, Waveguides, Plasmonic waveguides, Absorption, Nanowires

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Proceedings Article | 1 May 2015 Paper

Silicon nanophotonic integrated devices enabling multiplexed on-chip optical interconnects

Daoxin Dai, Jian Wang, Sitao Chen

Proceedings Volume 9516, 951609 (2015) https://doi.org/10.1117/12.2180083

KEYWORDS: Waveguides, Polarization, Multiplexing, Silicon, Polarizers, Demultiplexers, Wavelength division multiplexing, Optical filters, Optical interconnects, Nanowires

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Proceedings Article | 13 November 2014 Paper

SOI (silicon-on-insulator)-compatible hybrid nanoplasmonics: waveguiding, polarization-handling, and thermal-tuning

Daoxin Dai, Hao Wu, Xiaowei Guan

Proceedings Volume 9277, 927703 (2014) https://doi.org/10.1117/12.2074191

KEYWORDS: Silicon, Waveguides, Metals, Nanoplasmonics, Plasmonic waveguides, Polarization, Silica, Polarizers, Brain-machine interfaces, Light wave propagation

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Proceedings Article | 8 March 2014 Paper

Mode conversion/coupling in submicron silicon-on-insulator optical waveguides and the applications

Daoxin Dai

Proceedings Volume 8989, 89890S (2014) https://doi.org/10.1117/12.2044173

KEYWORDS: Waveguides, Silicon, Polarization, Silica, Multiplexers, Photonic integrated circuits, Directional couplers, Light wave propagation, Nanowires, Phase matching

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Proceedings Article | 8 March 2014 Paper

Observation of optically induced transparency effect in silicon nanophotonic wires with graphene

Longhai Yu, Jiajiu Zheng, Daoxin Dai, Sailing He

Proceedings Volume 8989, 89890C (2014) https://doi.org/10.1117/12.2047618

KEYWORDS: Graphene, Silicon, Nanophotonics, Modulation, Absorption, Transparency, Doping, Optical lithography, Optoelectronics, Photonics

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Proceedings Article | 8 March 2014 Paper

Ultra-compact and ultra-broadband TE-pass polarizer with a silicon hybrid plasmonic waveguide

Xiaowei Gaun, Peipeng Xu, Yaocheng Shi, Daoxin Dai

Proceedings Volume 8988, 89880U (2014) https://doi.org/10.1117/12.2039798

KEYWORDS: Silicon, Polarizers, Silica, Fiber Bragg gratings, Metals, Plasmonic waveguides, Polarization, Optical design, Waveguides, Light wave propagation

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Proceedings Article | 14 March 2013 Paper

Ultracompact polarization diversity components for future large-scale photonic integrated circuits on silicon

Daoxin Dai

Proceedings Volume 8629, 86290B (2013) https://doi.org/10.1117/12.2001815

KEYWORDS: Polarization, Waveguides, Silicon, Silica, Photonic integrated circuits, Etching, Directional couplers, Light wave propagation, Nanowires, Phase matching

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Proceedings Article | 6 March 2013 Paper

Hybrid nanoplasmonic waveguides and nanophotonic integrated devices on silicon

Daoxin Dai, Xiaowei Guan, Sailing He

Proceedings Volume 8628, 862808 (2013) https://doi.org/10.1117/12.2007917

KEYWORDS: Plasmonic waveguides, Silicon, Waveguides, Metals, Silica, Plasmonics, Nanoplasmonics, Resonators, Dielectrics, Wave propagation

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Proceedings Article | 20 November 2012 Paper

On-chip polarization handling for silicon nanophotonic integrated circuits

Daoxin Dai, Jian Wang

Proceedings Volume 8564, 85641A (2012) https://doi.org/10.1117/12.2000595

KEYWORDS: Polarization, Waveguides, Silicon, Silica, Photonics, Birefringence, Nanophotonics, Integrated circuits, Tolerancing, Nanowires

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Proceedings Article | 2 February 2012 Paper

Integrated silicon photonic nanocircuits and technologies for optical interconnect and optical sensing

Daoxin Dai, Sailing He

Proceedings Volume 8265, 82650L (2012) https://doi.org/10.1117/12.910940

KEYWORDS: Waveguides, Plasmonic waveguides, Silicon, Microrings, Metals, Optical sensors, Optical sensing, Resonators, Reflectivity, Nanowires

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Proceedings Article | 2 February 2012 Paper

Advanced silicon device technologies for optical interconnects

Lech Wosinski, Zhechao Wang, Fei Lou, Daoxin Dai, Sebastian Lourdudoss, Lars Thylen

Proceedings Volume 8265, 826506 (2012) https://doi.org/10.1117/12.909919

KEYWORDS: Silicon, Waveguides, Optical interconnects, Silicon photonics, Semiconducting wafers, Diffraction gratings, Photonics, Silica, Photonic integrated circuits, Modulators

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Proceedings Article | 12 December 2011 Paper

Ultrashort and ultrabroadband silicon polarization beam splitter based on a bent directional coupler

Daoxin Dai, John Bowers

Proceedings Volume 8308, 83081F (2011) https://doi.org/10.1117/12.904602

KEYWORDS: Polarization, Waveguides, Silicon, Directional couplers, Beam splitters, Tolerancing, Geometrical optics, Brain-machine interfaces, Birefringence, Nanowires

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Proceedings Article | 19 January 2011 Paper

Design and fabrication of SU-8 arrayed-waveguide gratings using multimode interference couplers

Yunpeng Zhu, Bo Yang, Yuqing Jiao, Daoxin Dai

Proceedings Volume 7986, 79860F (2011) https://doi.org/10.1117/12.888611

KEYWORDS: Brain-machine interfaces, Waveguides, Refractive index, Silicon, Beam propagation method, Optical design, Polymers, Silica, Multimode interference devices, Photonic integrated circuits

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Proceedings Article | 3 January 2011 Paper

Silicon-nanowire-based optical sensor with high sensitivity and large measurement range by using Mach-Zehnder interferometer-coupled microring

Jianwei Wang, Sailing He, Daoxin Dai

Proceedings Volume 7990, 79900V (2011) https://doi.org/10.1117/12.888453

KEYWORDS: Microrings, Refractive index, Silicon, Liquids, Optical sensors, Sensors, Reflectivity, Cladding, Optical sensing, Nanowires

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Proceedings Article | 3 December 2009 Paper

Enhancement of the evanescent coupling between III-V/Si hybrid microring laser and bus waveguide by using a bending coupler

Daoxin Dai, Di Liang, John Bowers

Proceedings Volume 7631, 76310C (2009) https://doi.org/10.1117/12.852080

KEYWORDS: Silicon, Microrings, Waveguides, Phase velocity, Hybrid silicon lasers, Waveguide lasers, Directional couplers, Beam propagation method, Quantum wells, Etching

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Proceedings Article | 3 December 2009 Paper

Observation of the thermal nonlinear optical effect in a microring resonator based on a small SU-8 polymer ridge optical waveguide

Liu Yang, Daoxin Dai, Jianjun He, Sailing He

Proceedings Volume 7631, 76310B (2009) https://doi.org/10.1117/12.851789

KEYWORDS: Thermal effects, Waveguides, Polymers, Nonlinear optics, Microrings, Absorbance, Resonators, Brain-machine interfaces, Polymer multimode waveguides, Thermography

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Proceedings Article | 2 December 2009 Paper

Design of suspended SU-8 optical waveguides for ultrasmall bending

B. Yang, Z. Sheng, D. Dai

Proceedings Volume 7630, 763015 (2009) https://doi.org/10.1117/12.852109

KEYWORDS: Waveguides, Photonic integrated circuits, Polarization, Refractive index, Silicon, Silica, Finite-difference time-domain method, Polymers, Finite difference methods, Nanowires

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Proceedings Article | 2 December 2009 Paper

Low-loss bend-bend coupler for an ultra-small microring resonator based on Si nanowires

Jing Hu, Daoxin Dai

Proceedings Volume 7630, 76301Y (2009) https://doi.org/10.1117/12.852120

KEYWORDS: Waveguides, Microrings, Resonators, Silicon, Photonics, Finite-difference time-domain method, Very large scale integration, Wave propagation, Integrated photonics, Nanowires

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Proceedings Article | 26 November 2009 Paper

Experimental demonstration of an ultracompact polarization beam splitter based on a bidirectional grating coupler

Zhechao Wang, Yongbo Tang, Ning Zhu, Lech Wosinski, Daoxin Dai, Urban Westergren, Sailing He

Proceedings Volume 7631, 763103 (2009) https://doi.org/10.1117/12.851621

KEYWORDS: Polarization, Photonics, Beam splitters, Silicon, Waveguides, Diffraction gratings, Etching, Electron beam lithography, Optical design, Refractive index

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Proceedings Article | 18 February 2009 Paper

Compact silicon-based wavelength-selective photonic integrated devices and the applications

Daoxin Dai, Sailing He

Proceedings Volume 7220, 72200D (2009) https://doi.org/10.1117/12.808474

KEYWORDS: Waveguides, Brain-machine interfaces, Polarization, Silicon, Silica, Reflectivity, Reflectors, Photonic integrated circuits, Photonic devices, Nanowires

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Proceedings Article | 11 November 2008 Paper

Design and fabrication of SU-8 polymer-based micro-racetrack resonators

Daoxin Dai, Bo Yang, Liu Yang, Zhen Sheng

Proceedings Volume 7134, 713414 (2008) https://doi.org/10.1117/12.804181

KEYWORDS: Waveguides, Polymers, Resonators, Polymer multimode waveguides, Microresonators, Silica, Lithography, Silicon, Ultraviolet radiation, Photonic integrated circuits

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Proceedings Article | 11 November 2008 Paper

A low-loss broadband y-branch for fiber to the home applications

Tingting Lang, Daoxin Dai, Sailing He

Proceedings Volume 7134, 71344I (2008) https://doi.org/10.1117/12.804064

KEYWORDS: Waveguides, Fiber to the x, Single mode fibers, Plasma enhanced chemical vapor deposition, Receivers, Refractive index, Transmitters, Beam propagation method, Photomasks, Analog electronics

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SPIE Journal Paper | 1 February 2008

Ultrasmall integrated devices based on silicon nanowires for optical communications

Daoxin Dai, Sailing He

JNP, Vol. 2, Issue 01, 021780, (February 2008) https://doi.org/10.1117/12.10.1117/1.2832772

KEYWORDS: Silicon, Waveguides, Polarization, Photonic integrated circuits, Brain-machine interfaces, Refractive index, Diffraction, Resonators, Demultiplexers, Nanowires

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Proceedings Article | 5 October 2006 Paper

Highly integrated planar lightwave circuits based on plasmonic and Si nano-waveguides

Sailing He, Zhanghua Han, Liu Liu, Daoxin Dai

Proceedings Volume 6351, 635121 (2006) https://doi.org/10.1117/12.691140

KEYWORDS: Waveguides, Metals, Surface plasmons, Silicon, Dielectrics, Photonic integrated circuits, Refractive index, Brain-machine interfaces, Plasmonics, Nanowires

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Proceedings Article | 17 January 2005 Paper

Some progress in integrated photonics

Sailing He, Yuan Yin, Daoxin Dai, Yaocheng Shi, Qian Wang

Proceedings Volume 5644, (2005) https://doi.org/10.1117/12.575529

KEYWORDS: Waveguides, Demultiplexers, Brain-machine interfaces, Photonic integrated circuits, Silicon, Silica, Beam propagation method, Integrated photonics, Diffraction gratings, Genetic algorithms

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Proceedings Article | 17 January 2005 Paper

Design of a flat-field arrayed waveguide grating

Yaocheng Shi, Daoxin Dai, Qincun Zhou, Sailing He

Proceedings Volume 5644, (2005) https://doi.org/10.1117/12.566869

KEYWORDS: Waveguides, Optical design, Sensors, Multiplexing, Diffraction, Phased array optics, Photonics, Dense wavelength division multiplexing, Optoelectronic devices, Dispersion

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Proceedings Article | 28 August 2002 Paper

Optimal design for a MMI to flatten the spectral response of an AWG

Daoxin Dai, Qincun Zhou, Sailing He, Jianjun He

Proceedings Volume 4904, (2002) https://doi.org/10.1117/12.481267

KEYWORDS: Brain-machine interfaces, Waveguides, Dense wavelength division multiplexing, Gaussian beams, Electromagnetism, Beam propagation method, Solids, Dispersion, Refractive index, Wave propagation

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Proceedings Article | 23 August 2002 Paper

Simulation and design for an arrayed-waveguide grating made of flourinated polymers

Jing Xu, Daoxin Dai, Sailing He

Proceedings Volume 4906, (2002) https://doi.org/10.1117/12.480546

KEYWORDS: Waveguides, Polymers, Refractive index, Optical design, Error analysis, Beam propagation method, Tolerancing, Polarization, Absorption, Single mode fibers

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