Dr. Weichuan Du Profile

Dr. Weichuan Du

at Institute of Applied Optics

SPIE Involvement:

Author

Publications (11)

Proceedings Article | 8 November 2024 Poster

Study on the polarization control in tapered semiconductor lasers

Mengyao Lv, Haomiao Wang, Yuwen He, Zhiyu Zhou, Yi Li, Weichuan Du

Proceedings Volume 13233, 132331D (2024) https://doi.org/10.1117/12.3050230

KEYWORDS: Semiconductor lasers, Polarization control, Polarization, Waveguides, Quantum wells, Quantum confinement, High power lasers, Etching, Emission wavelengths, Electrooptics

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Proceedings Article | 18 December 2023 Paper

High power 780nm single emitter with 16W and bar with 180W of continuous-wave output laser diodes

Yi Li, Haomiao Wang, Weichuan Du, Zhiyu Zhou, Yuwen He, Liang Zhang, Songxin Gao, Deyong Wu, Chun Tang

Proceedings Volume 12959, 129591C (2023) https://doi.org/10.1117/12.3008134

KEYWORDS: Semiconductor lasers, Quantum emitters, Electro optics, High power lasers, Waveguides, Quantum devices, Passivation, Emission wavelengths, YAG lasers, Quantum wells

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Proceedings Article | 16 October 2023 Paper

Tunable narrow-linewidth monolithic master oscillator tapered power amplifier diode laser based on surface bragg gratings

Yi Li, Yuwen He, Kun Zhou, Haomiao Wang, Weichuan Du, Songxin Gao, Chun Tang

Proceedings Volume 12792, 127921N (2023) https://doi.org/10.1117/12.2691342

KEYWORDS: Semiconductor lasers, Waveguides, Laser applications, Etching, Tunable lasers, Reflection, Optical gratings, Emission wavelengths, Electron beam lithography, Design and modelling

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Proceedings Article | 4 December 2020 Paper

Spectral beam combination of laser diode with fiber coupled output

Lanping Zhang, Hao Tan, Linhui Guo, Quanwei Jiang, Weichuan Du, Hualing Wu, Bo Fu, Songxin Gao

Proceedings Volume 11617, 116173R (2020) https://doi.org/10.1117/12.2585519

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Proceedings Article | 2 December 2020 Paper

Structural design of mode propagation interface for tapered laser diodes

Yi Li, Kun Zhou, Linan He, Weichuan Du, LanPing Zhang, Yao Hu, Xin Yang, Songxin Gao, Chun Tang

Proceedings Volume 11717, 117172H (2020) https://doi.org/10.1117/12.2587313

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Proceedings Article | 18 December 2019 Paper

Effect of lateral index step on the performance of high-power broad-area 970-nm diode lasers based a large-optical-cavity waveguide structure

Kun Zhou, Weichuan Du, Xin Yang, Yi Li, Songxin Gao, Chun Tang

Proceedings Volume 11333, 113330X (2019) https://doi.org/10.1117/12.2546932

KEYWORDS: Polarization, Semiconductor lasers, Waveguides, High power lasers, Near field, Quantum wells, Laser applications

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Proceedings Article | 12 March 2019 Paper

High brightness narrow-stripe broad-area diode lasers at 976 nm

Yi Li, Weichuan Du, Kun Zhou, Junjie Kang, Songxin Gao, Deyong Wu, Yao Hu, Liang Zhang, Hao Tan, Chun Tang

Proceedings Volume 11023, 110234H (2019) https://doi.org/10.1117/12.2521923

KEYWORDS: Semiconductor lasers, Near field, Diodes, Near field optics, Optical simulations, Measurement devices, Fiber lasers, Laser applications, Optical resonators, Gallium arsenide

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Proceedings Article | 12 March 2019 Paper

High-order transversal mode suppression by facet loss in 970nm broad area laser

Junjie Kang, Weichuan Du, Yi Li, Kun Zhou, Yao Hu, Liang Zhang, Songxin Gao, Deyong Wu, Hao Tan, Zhao Wang, Chun Tang

Proceedings Volume 11023, 110234I (2019) https://doi.org/10.1117/12.2521937

KEYWORDS: Semiconductor lasers, Waveguides, Refractive index, Neodymium, Laser applications, Far-field diffraction, High power lasers, Laser energy, Optical resonators, Near field

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Proceedings Article | 5 March 2018 Paper

3.1 W narrowband blue external cavity diode laser

Jue Peng, Huaijin Ren, Kun Zhou, Yi Li, Weichuan Du, Songxin Gao, Ruijun Li, Jianping Liu, Deyao Li, Hui Yang

Proceedings Volume 10710, 107104B (2018) https://doi.org/10.1117/12.2317685

KEYWORDS: Semiconductor lasers, Diffraction gratings, Diffraction, Deep ultraviolet, High power lasers, Nonlinear frequency conversion, Polarization, Laser systems engineering, Second-harmonic generation, Crystals

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Proceedings Article | 20 February 2018 Paper

High-brightness tapered laser diodes with photonic crystal structures

Yi Li, Weichuan Du, Zhou Kun, Songxin Gao, Yi Ma, Chun Tang

Proceedings Volume 10697, 106974Y (2018) https://doi.org/10.1117/12.2315462

KEYWORDS: Photonic crystals, Semiconductor lasers, Waveguides, Laser development, Diodes, Diffraction, Gallium arsenide, Optical lithography, Optical testing, Laser applications

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Proceedings Article | 20 February 2018 Paper

Influence of longitudinal mode lock by external grating on filamentation and catastrophic optical mirror damage (COMD) of 970 nm broad area single emitters

Kun Zhou, Hao Tan, Weichuan Du, Yi Li, Huicheng Meng, Huaijin Ren, Jue Peng, Songxin Gao, Yi Ma, Ruijun Li, Chun Tang, Jianping Liu, Deyao Li, Hui Yang

Proceedings Volume 10697, 106974B (2018) https://doi.org/10.1117/12.2307289

KEYWORDS: Mirrors, Semiconductor lasers, Near field, Near field optics, Collimation, Refractive index, Mode locking, Diffraction gratings, Lithium, Optical microscopes

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Showing 5 of 11 publications

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