Integrated multi-wavelength DFB laser with 200 GHz channel spacing

Ranjeet Kumar; Duanni Huang; Meer Sakib; Guan-Lin Su; Chaoxuan Ma; Xinru Wu; Haisheng Rong

doi:10.1117/12.2626494

3 March 2022 Integrated multi-wavelength DFB laser with 200 GHz channel spacing

Ranjeet Kumar, Duanni Huang, Meer Sakib, Guan-Lin Su, Chaoxuan Ma, Xinru Wu, Haisheng Rong

Author Affiliations +

Proceedings Volume 12021, Novel In-Plane Semiconductor Lasers XXI; 1202106 (2022) https://doi.org/10.1117/12.2626494
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

Multi-wavelength laser sources have gained significant interest for future high-bandwidth density DWDM optical links, enabling improved energy efficiency and bandwidth scaling. In this work, we present an integrated III-V/Si hybrid four-wavelength DFB laser with 200 GHz wavelength spacing and <10 dBm output power per wavelength. The wavelength spacing and total output power variations are <±25 GHz and <1 dB, respectively, for an ambient temperature change of 30°C. We also measured the relative intensity noise (RIN) and Lorentzian linewidth of the laser to be <-135 dB/Hz and <300 kHz, respectively.

Conference Presentation

Citation Download Citation

Ranjeet Kumar, Duanni Huang, Meer Sakib, Guan-Lin Su, Chaoxuan Ma, Xinru Wu, and Haisheng Rong "Integrated multi-wavelength DFB laser with 200 GHz channel spacing", Proc. SPIE 12021, Novel In-Plane Semiconductor Lasers XXI, 1202106 (3 March 2022); https://doi.org/10.1117/12.2626494

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