Stability of a III-V/Si hybrid laser with a frequency-selective SiN mirror

Cristina Rimoldi; Lorenzo L. Columbo; Jock Bovington; Sebastian Romero-Garcia; Dominic Siriani; Mariangela Gioannini

doi:10.1117/12.2608133

3 March 2022 Stability of a III-V/Si hybrid laser with a frequency-selective SiN mirror

Cristina Rimoldi, Lorenzo L. Columbo, Jock Bovington, Sebastian Romero-Garcia, Dominic Siriani, Mariangela Gioannini

Proceedings Volume 12021, Novel In-Plane Semiconductor Lasers XXI; 1202109 (2022) https://doi.org/10.1117/12.2608133
Event: SPIE OPTO, 2022, San Francisco, California, United States

Abstract

We study the stability of a hybrid laser source consisting of a III-V reflective semiconductor optical amplifier (RSOA) edge-coupled to a silicon photonic mirror, based on two coupled high-Q microring resonators, providing a narrow band effective reflectivity. We simulate the laser dynamics through a model of time-delayed algebraic equations accounting for the frequency-selective mirror reflectivity, demonstrating single-mode emission, self pulsing, and turbulent regimes. Further, we identify the regions of higher CW operation in terms of bias current and laser detuning with respect to the reflectivity peak. Finally, we test the CW laser stability with respect to optical feedback, mimicking the effect of spurious back-reflections from the passive parts of the circuit, and demonstrate ultra-stable CW operation for a sizeable range of detuning.

Conference Presentation

Citation Download Citation

Cristina Rimoldi, Lorenzo L. Columbo, Jock Bovington, Sebastian Romero-Garcia, Dominic Siriani, and Mariangela Gioannini "Stability of a III-V/Si hybrid laser with a frequency-selective SiN mirror", Proc. SPIE 12021, Novel In-Plane Semiconductor Lasers XXI, 1202109 (3 March 2022); https://doi.org/10.1117/12.2608133

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