Dual-Comb Spectroscopy with Two On-Chip III-V-on-Silicon 1-GHz Mode-Locked Lasers

Gasse, Kasper Van; Chen, Z.; Vincentini, E.; Huh, Jeong Hyun; Poelman, Stijn; Wang, Z.; Roelkens, G.; Hänsch, Theodor W.; Kuyken, Bart; Picqué, N.

doi:10.1364/cleo_si.2021.sm3a.7

Conference on Lasers and Electro-Optics 2021

DOI: 10.1364/cleo_si.2021.sm3a.7

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Dual-Comb Spectroscopy with Two On-Chip III-V-on-Silicon 1-GHz Mode-Locked Lasers

Kasper Van Gasse

Z. Chen

E. Vincentini

et al.

Abstract: A dual-comb interferometer with two semiconductor lasers on silicon photonic chips enables an optical resolution of 1 GHz, over a 0.7-THz span. The spectrometer di- rectly and unambiguously samples near-infrared rovibrational transitions without spectral interleaving.

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Cited by 2 publications

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On-chip optical comb sources

2022

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On-chip integration of optical comb sources is crucial in enabling their widespread use. Integrated photonic devices that can be mass-manufactured in semiconductor processing facilities offer a solution for the realization of miniaturized, robust, low-cost, and energy-efficient comb sources. Here, we review the state of the art in on-chip comb sources, their applications, and anticipated developments.

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On-chip optical comb sources

2022

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Heterogeneous tunable III-V-on-silicon-nitride mode-locked laser emitting wide optical spectra

Billet,

Cuyvers,

Poelman

et al. 2024

Photon. Res.

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We demonstrate a III-V-on-silicon-nitride mode-locked laser through the heterogeneous integration of a semiconductor optical amplifier on a passive silicon-nitride cavity using the technique of micro-transfer printing. In the initial phase of our study, we focus on optimizing the lasing wavelength to be centered at 1550 nm. This optimization is achieved by conducting experiments with 27 mode-locked lasers, each incorporating optical amplifiers featuring distinct multiple-quantum-well photoluminescence values. Subsequently we present a comprehensive study investigating the behavior of the mode-locking regime when the electrical driving parameters are varied. Specifically, we explore the impact of the gain voltage and saturable absorber current on the locking stability of a tunable mode-locked laser. By manipulating these parameters, we demonstrate the precise control of the optical spectrum across a wide range of wavelengths spanning from 1530 to 1580 nm. Furthermore, we implement an optimization approach based on a Monte Carlo analysis aimed at enhancing the mode overlap within the gain region. This adjustment enables the achievement of a laser emitting a 23-nm-wide spectrum while maintaining a defined 10 dB bandwidth for a pulse repetition rate of 3 GHz.

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Dual-Comb Spectroscopy with Two On-Chip III-V-on-Silicon 1-GHz Mode-Locked Lasers

Abstract: A dual-comb interferometer with two semiconductor lasers on silicon photonic chips enables an optical resolution of 1 GHz, over a 0.7-THz span. The spectrometer di- rectly and unambiguously samples near-infrared rovibrational transitions without spectral interleaving.

Cited by 2 publications

References 5 publications

On-chip optical comb sources

On-chip optical comb sources

Heterogeneous tunable III-V-on-silicon-nitride mode-locked laser emitting wide optical spectra

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