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Conferences > CLEO_Europe > 2023 > cb_7 > cb_7_3
  • Conference on Lasers and Electro-Optics/Europe (CLEO/Europe 2023) and European Quantum Electronics Conference (EQEC 2023)
  • Technical Digest Series (Optica Publishing Group, 2023),
  • paper cb_7_3

Frequency Comb Broadening by Optical Noise Injection in a Semiconductor Laser

A.I. Borodkin, A.V. Kovalev, M. Giudici, G. Huyet, A. Ramdane, M. Marconi, and E.A. Viktorov

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Abstract

We analyse experimentally a 33 GHz optical frequency comb (OFC) in a InAs/InP quantum-dash based single-section passively mode-locked laser subject to broadband optical noise injection. The Fabry-Pérot cavity laser is emitting around 1530 nm with a 25 mA pumping current at threshold. Light from a semiconductor optical amplifier (SOA) having a spectral bandwidth of 100 nm centered at 1550 nm (100mA-600mA of gain current) was used as the optical noise source. A tunable laser source with a linewidth of 400 kHz was used in the stepped-heterodyne (SH) measurement [1] of the optical phase spectrum.

© 2023 IEEE

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