16-channel integrated multi-wavelength DFB lasers with 200 GHz channel spacing

Xiaoxi Wang; Ranjeet Kumar; Duanni Huang; Guan-Lin Su; Xinru Wu; Songtao Liu; Haisheng Rong

doi:10.1117/12.3023430

13 March 2024 16-channel integrated multi-wavelength DFB lasers with 200 GHz channel spacing

Xiaoxi Wang, Ranjeet Kumar, Duanni Huang, Guan-Lin Su, Xinru Wu, Songtao Liu, Haisheng Rong

Proceedings Volume 12905, Novel In-Plane Semiconductor Lasers XXIII; 129050J (2024) https://doi.org/10.1117/12.3023430
Event: SPIE OPTO, 2024, San Francisco, California, United States

Abstract

Multi-wavelength laser sources on silicon photonics can enable large spectral coverage for DWDM optical I/O links and leverage the scalability of a CMOS compatible process simultaneously. In this work, we report a laser array of four four-wavelength distributed feedback lasers that produce in total sixteen wavelength channels simultaneously with a wavelength spacing of 200 GHz and output power of 17 dBm per laser. We show integrated III-V/Si hybrid lasers on the same die with wafer-level bonded epitaxial III-V layer that spans a spectral coverage of 17 nm through the 16 wavelength channels. We also measured the relative intensity noise (RIN) of all sixteen wavelength channels to be under -135 dB/Hz and the Lorentzian linewidth to be less than 300 kHz.

Conference Presentation

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

Citation Download Citation

Xiaoxi Wang, Ranjeet Kumar, Duanni Huang, Guan-Lin Su, Xinru Wu, Songtao Liu, and Haisheng Rong "16-channel integrated multi-wavelength DFB lasers with 200 GHz channel spacing", Proc. SPIE 12905, Novel In-Plane Semiconductor Lasers XXIII, 129050J (13 March 2024); https://doi.org/10.1117/12.3023430

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KEYWORDS

Relative intensity noise

Silicon photonics

Laser sources

Dense wavelength division multiplexing

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