Frequency response of an on-chip multi-wavelength laser subject to optical injection with single sideband modulation

S. Abdollahi; P. Marin-Palomo; M. Virte

doi:10.1117/12.3022297

20 June 2024 Frequency response of an on-chip multi-wavelength laser subject to optical injection with single sideband modulation

S. Abdollahi, P. Marin-Palomo, M. Virte

Author Affiliations +

Proceedings Volume 13002, Semiconductor Lasers and Laser Dynamics XI; 130020B (2024) https://doi.org/10.1117/12.3022297
Event: SPIE Photonics Europe, 2024, Strasbourg, France

Abstract

In this report, we experimentally analyze the effect of optical injection of a signal with a single-sideband (SSB) modulation on a multi-wavelength laser (MWL) integrated on a photonic integrated circuit. The optical injection of an SSB modulation into the MWL leads to spectral multiplication of the signal around the un-injected modes of the MWL. This multiplication arises from the modulation of the carrier density inside the cavity and the strong nonlinear coupling between different modes of the MWL. We report an asymmetric power evolution of the generated sidebands around the injected and un-injected modes of the MWL while the modulation frequency is swept. The power and modulation bandwidth of the signal emerging around the injected and un-injected modes strongly depend on the position of the cavity resonance frequency of the injected mode, which can be tailored by adjusting the injection strength and the detuning of the injected signal.

Conference Presentation

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

Citation Download Citation

S. Abdollahi, P. Marin-Palomo, and M. Virte "Frequency response of an on-chip multi-wavelength laser subject to optical injection with single sideband modulation", Proc. SPIE 13002, Semiconductor Lasers and Laser Dynamics XI, 130020B (20 June 2024); https://doi.org/10.1117/12.3022297

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