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Frequency comb dynamics of a 1.3 μm hybrid-silicon quantum dot semiconductor laser with optical injection

Abstract : This work reports on the influence of bias voltage applied on saturable absorber (SA) on sub-threshold linewidth enhancement factor (LEF) in hybrid-silicon quantum dot optical frequency comb lasers (QD-OFCLs). Results show that the reverse bias voltage on SA contributes to enlarge the LEF and improve the comb dynamics. Optical injection is also found to be able to improve the comb spectrum in term of 3-dB bandwidth and its flatness. Such novel findings are promising for the development of high-speed dense wavelength division multiplexing (DWDM) photonic integrated circuits (PICs) in optical interconnects and datacom applications.
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https://hal.telecom-paris.fr/hal-02949687
Contributor : Bozhang Dong <>
Submitted on : Friday, September 25, 2020 - 8:50:53 PM
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Bozhang Dong, Heming Huang, Jianan Duan, Geza Kurczveil, Di Liang, et al.. Frequency comb dynamics of a 1.3 μm hybrid-silicon quantum dot semiconductor laser with optical injection. Optics Letters, Optical Society of America - OSA Publishing, 2019, 44 (23), pp.5755. ⟨10.1364/OL.44.005755⟩. ⟨hal-02949687⟩

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