Programmable switching of soliton microcomb states in a Si3N4 micro-resonator

Hongyi Zhang; Liangjun Lu; Jianping Chen; Linjie Zhou

doi:10.1117/12.2626590

20 January 2022 Programmable switching of soliton microcomb states in a Si₃N₄ micro-resonator

Hongyi Zhang, Liangjun Lu, Jianping Chen, Linjie Zhou

Proceedings Volume 12154, 13th International Photonics and OptoElectronics Meetings (POEM 2021); 121540S (2022) https://doi.org/10.1117/12.2626590
Event: 13th International Photonics and OptoElectronics Meetings (POEM 2021), 2021, Wuhan, China

Abstract

Soliton microcombs, relying on the double balance of dispersion and nonlinearity, as well as gain and cavity loss, are formed in the mode-locked regime of a high-quality micro-resonator. Various soliton microcomb states can provide frequency components with different repetition rates and power, satisfying a variety of applications. Programmable switching of the soliton states increases operational flexibility. Here, we report the programmable switching of soliton microcomb states in a Si₃N₄ micro-resonator with anomalous dispersion by using an auxiliary laser. Red-detuned pump entrance is implemented to support the reliable judgement of state switching. Single-soliton state was realized in a small frequency tuning range of the auxiliary laser while multi-soliton states can be achieved under a wide range. The achievable soliton state number is related to the relative frequency position of the auxiliary laser. We can realize more number of the soliton states when the auxiliary laser is in the middle of the tuning range.

Citation Download Citation

Hongyi Zhang, Liangjun Lu, Jianping Chen, and Linjie Zhou "Programmable switching of soliton microcomb states in a Si₃N₄ micro-resonator", Proc. SPIE 12154, 13th International Photonics and OptoElectronics Meetings (POEM 2021), 121540S (20 January 2022); https://doi.org/10.1117/12.2626590

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KEYWORDS

Switching

Solitons

Microresonators

Thermal effects

Silicon

Dispersion

Optical communications

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