Open-loop spectral beam combining based on parity-time-symmetric double-ridge stripe laser diodes

Lingqian Meng; Weiqiao Zhang; Zijie Gao; Ting Fu; Man Hu; Xuyan Zhou; Wanhua Zheng

doi:10.3788/COL202523.101403

Chinese Optics Letters, Volume. 23, Issue 10, 101403(2025)

Open-loop spectral beam combining based on parity-time-symmetric double-ridge stripe laser diodes

Lingqian Meng^1,2, Weiqiao Zhang³, Zijie Gao^1,2, Ting Fu³, Man Hu⁴, Xuyan Zhou³, and Wanhua Zheng^1,2,5,6、*

¹Laboratory of Solid State Optoelectronics Information Technology, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

²Center of Materials Science and Optoelectronics Engineering, University of Chinese Academy of Sciences, Beijing 100049, China

³Weifang Academy of Advanced Opto-Electronic Circuits, Weifang 261071, China

⁴Hangzhou Institute for Advanced Study, Hangzhou 310024, China

⁵State Key Laboratory on Integrated Optoelectronics, Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, China

⁶College of Future Technology, University of Chinese Academy of Sciences, Beijing 101408, China

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References(12)

[1] M. Kelemen, J. Gilly, P. Friedmann et al. Diode lasers optimized in brightness for fiber laser pumping. Conference on High-Power Diode Laser Technology XVI(2018).

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[3] X. Ma, A. Liu, H. Qu et al. Nearly diffraction-limited and low-divergence tapered lasers with photonic crystal structure. IEEE Photonics Technol. Lett., 28, 2403(2016).

[4] B. Sumpf, L. S. Theurer, M. Maiwald et al. 783 nm wavelength stabilized DBR tapered diode lasers with a 7 W output power. Appl. Opt., 60, 5418(2021).

[5] F. Dittmar, B. Sumpf, J. Fricke et al. High-power 808-nm tapered diode lasers with nearly diffraction-limited beam quality of M2=1.9 at P=4.4 W. IEEE Photonics Technol. Lett., 18, 601(2006).

[6] T. Fu, Y. Wang, X. Zhou et al. Approaches to tuning the exceptional point of PT-symmetric double ridge stripe lasers. Opt. Express, 29, 20440(2021).

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[8] B. Chann, A. K. Goyal, T. Y. Fan et al. Efficient, high-brightness wavelength-beam-combined commercial off-the-shelf diode stacks achieved by use of a wavelength-chirped volume Bragg grating. Opt. Lett., 31, 1253(2006).

[9] B. Chann, R. K. Huang, L. J. Missaggia et al. Near-diffraction limited diode laser arrays by wavelength beam combining. Opt. Lett., 30, 2104(2005).

[10] V. Daneu, A. Sanchez, T. Y. Fan et al. Spectral beam combining of a broad-stripe diode laser array in an external cavity. Opt. Lett., 25, 405(2000).

[11] W. Zhang, P. Cao, F. Ting et al. High-efficiency spectral beam combining of an individual laser diode bar with polarization multiplexing. Opt. Lett., 48, 1080(2023).

[12] M Hu, W Zhang, P Cao et al. Polarization full feedback external cavity of open loop spectral beam combining based on multi-single emitters laser diode. Chin. Opt. Lett., 22, 051405(2024).

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Lingqian Meng, Weiqiao Zhang, Zijie Gao, Ting Fu, Man Hu, Xuyan Zhou, Wanhua Zheng, "Open-loop spectral beam combining based on parity-time-symmetric double-ridge stripe laser diodes," Chin. Opt. Lett. 23, 101403 (2025)

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Paper Information

Category: Lasers, Optical Amplifiers, and Laser Optics

Received: Dec. 16, 2024

Accepted: Jun. 6, 2025

Published Online: Sep. 17, 2025

The Author Email: Wanhua Zheng (whzheng@semi.ac.cn)

DOI:10.3788/COL202523.101403

CSTR:32184.14.COL202523.101403

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology