Frequency comb generation via synchronous pumped $χ^{(3)}$ resonator on thin-film lithium niobate

Fuente: arXiv
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Main Authors: Cheng, Rebecca, Yu, Mengjie, Shams-Ansari, Amirhassan, Hu, Yaowen, Reimer, Christian, Zhang, Mian, Lončar, Marko
Format: Preprint
Published: 2023
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author Cheng, Rebecca
Yu, Mengjie
Shams-Ansari, Amirhassan
Hu, Yaowen
Reimer, Christian
Zhang, Mian
Lončar, Marko
author_facet Cheng, Rebecca
Yu, Mengjie
Shams-Ansari, Amirhassan
Hu, Yaowen
Reimer, Christian
Zhang, Mian
Lončar, Marko
contents Resonator-based optical frequency comb generation is an enabling technology for a myriad of applications ranging from communications to precision spectroscopy. These frequency combs can be generated in nonlinear resonators driven using either continuous-wave (CW) light, which requires alignment of the pump frequency with the cavity resonance, or pulsed light, which also mandates that the pulse repetition rate and cavity free spectral range (FSR) are carefully matched. Advancements in nanophotonics have ignited interest in chip-scale optical frequency combs. However, realizing pulse-driven on-chip Kerr combs remains challenging, as microresonator cavities have limited tuning range in their FSR and resonance frequency. Here, we take steps to overcome this limitation and demonstrate broadband frequency comb generation using a $χ^{(3)}$ resonator synchronously pumped by a tunable femtosecond pulse generator with on-chip amplitude and phase modulators. Notably, employing pulsed pumping overcomes limitations in Kerr comb generation typically seen in crystalline resonators from stimulated Raman scattering.
format Preprint
id arxiv_https___arxiv_org_abs_2304_12878
institution arXiv
publishDate 2023
record_format arxiv
spellingShingle Frequency comb generation via synchronous pumped $χ^{(3)}$ resonator on thin-film lithium niobate
Cheng, Rebecca
Yu, Mengjie
Shams-Ansari, Amirhassan
Hu, Yaowen
Reimer, Christian
Zhang, Mian
Lončar, Marko
Optics
Applied Physics
Resonator-based optical frequency comb generation is an enabling technology for a myriad of applications ranging from communications to precision spectroscopy. These frequency combs can be generated in nonlinear resonators driven using either continuous-wave (CW) light, which requires alignment of the pump frequency with the cavity resonance, or pulsed light, which also mandates that the pulse repetition rate and cavity free spectral range (FSR) are carefully matched. Advancements in nanophotonics have ignited interest in chip-scale optical frequency combs. However, realizing pulse-driven on-chip Kerr combs remains challenging, as microresonator cavities have limited tuning range in their FSR and resonance frequency. Here, we take steps to overcome this limitation and demonstrate broadband frequency comb generation using a $χ^{(3)}$ resonator synchronously pumped by a tunable femtosecond pulse generator with on-chip amplitude and phase modulators. Notably, employing pulsed pumping overcomes limitations in Kerr comb generation typically seen in crystalline resonators from stimulated Raman scattering.
title Frequency comb generation via synchronous pumped $χ^{(3)}$ resonator on thin-film lithium niobate
topic Optics
Applied Physics
url https://arxiv.org/abs/2304.12878