Ultrafast precision measurements in chip-scale laser frequency microcombs

Wenting Wang; Hao Liu; Jinghui Yang; Abhinav K. Vinod; Futai Hu; James F McMillan; Jinkang Lim; Yoon-Soo Jang; Chee-Wei Wong

doi:10.1117/12.2579190

5 March 2021 Ultrafast precision measurements in chip-scale laser frequency microcombs

Wenting Wang, Hao Liu, Jinghui Yang, Abhinav K. Vinod, Futai Hu, James F McMillan, Jinkang Lim, Yoon-Soo Jang, Chee-Wei Wong

Author Affiliations +

Proceedings Volume 11684, Ultrafast Phenomena and Nanophotonics XXV; 116840M (2021) https://doi.org/10.1117/12.2579190
Event: SPIE OPTO, 2021, Online Only

Abstract

Ultrafast laser frequency microcombs provide equidistant coherent frequency markers over a broad spectrum, enabling new frontiers in chip-scale frequency metrology, laser spectroscopy, dense communications, precision metrology. Measuring and understanding the fundamental noise parameters in these high-clock-rate frequency microcombs are essential to advance the underlying physics and the precision microwave-optical clockwork. In this talk we describe the noise characteristics and timing jitter in adiabatic laser frequency microcombs. We compare and contrast the fundamental noise and fluctuation parameters for a series of laser frequency microcomb states, from multiple soliton to soliton crystals and single-soliton regimes. Each of the noise families and their noise coupling mechanisms are examined with our theoretical models. This aids the understanding of frequency, intensity and phase noise characteristics of frequency microcombs towards the precision limits.

Conference Presentation

Citation Download Citation

Wenting Wang, Hao Liu, Jinghui Yang, Abhinav K. Vinod, Futai Hu, James F McMillan, Jinkang Lim, Yoon-Soo Jang, and Chee-Wei Wong "Ultrafast precision measurements in chip-scale laser frequency microcombs", Proc. SPIE 11684, Ultrafast Phenomena and Nanophotonics XXV, 116840M (5 March 2021); https://doi.org/10.1117/12.2579190

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