On-chip gain switched frequency comb generation using a two sectioned single cavity laser without additional optical injection

A tunable comb source is demonstrated on a monolithically integrated photonic integrated circuit (PIC). The PIC is a two section device designed to produce a single mode tunable spectrum, and the comb is generated by gain switching one section of the two sectioned laser. The laser produces a single...

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Veröffentlicht in:Optics express 2023-08, Vol.31 (18), p.29619
Hauptverfasser: McCarthy, John, Peters, Frank H.
Format: Artikel
Sprache:eng
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Zusammenfassung:A tunable comb source is demonstrated on a monolithically integrated photonic integrated circuit (PIC). The PIC is a two section device designed to produce a single mode tunable spectrum, and the comb is generated by gain switching one section of the two sectioned laser. The laser produces a single mode spectra with a tunable range of 1543 - 1565 nm, and combs were generated with a frequency range of 1 - 10 GHz without requiring additional optical injection to maintain the phase coherence.
ISSN:1094-4087
1094-4087
DOI:10.1364/OE.500300