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Ultralow Noise Optical Frequency Combs

TitleUltralow Noise Optical Frequency Combs
Publication TypeJournal Article
Year of Publication2018
AuthorsEndo, M, Shoji, TD, Schibli, TR
JournalIEEE Journal of Selected Topics in Quantum Electronics
Volume24
Issue5
Pagination1 - 13
Date Published2018-09
ISSN1077-260X
KeywordsLaser noise, mode-locked laser, optical frequency comb, Phase noise
Abstract

The invention of optical frequency combs (OFCs) based on femtosecond (fs) mode-locked lasers has merged laser based spectroscopy with fs-laser technology. OFCs have triggered quantum leaps of advancement in photonics, physics, astronomy, and engineering, while also lending themselves to applications in medical and environmental fields. The key feature of OFCs is their ultrahigh frequency and time resolution. In this review, we introduce the concept behind OFCs and their sources, with a focus on stability and phase-noise performance. We conclude with a discussion of recent progress of a monolithic OFC, which provides ultralow free-running phase noise and an unprecedented frequency stability of 1 part in 1019 at a 1 s gate time.

URLhttps://ieeexplore.ieee.org/abstract/document/8327818
DOI10.1109/JSTQE.2018.2818461

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