Journal Article

PUBDB-2021-05168

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Quantum diffusion of microcavity solitons

Bao, C. ; Suh, M.-G. ; Shen, B. ; Şafak, K. ; Dai, A.CFEL*Extern* ; Wang, H. ; Wu, L. ; Yuan, Z. ; Yang, Q.-F. ; Matsko, A. B. ; Kärtner, F. X.CFEL*XFEL.EU*DESY* ; Vahala, K. J. (Corresponding author)

2021
Nature Publishing Group Basingstoke

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Please use a persistent id in citations: doi:10.1038/s41567-020-01152-5

Abstract: Coherently pumped (Kerr) solitons in an ideal optical microcavity are expected to undergo random quantum motion thatdetermines fundamental performance limits in applications ofthe soliton microcombs1. Here this random walk and its impacton Kerr soliton timing jitter are studied experimentally. Thequantum limit is discerned by measuring the relative positionof counter-propagating solitons2. Their relative motion features weak interactions and also presents common-mode suppression of technical noise, which typically hides the quantumfluctuations. This is in contrast to co-propagating solitons,which are found to have relative timing jitter well below thequantum limit of a single soliton on account of strong correlation of their mutual motion. Good agreement is found betweentheory and experiment. The results establish the fundamentallimits to timing jitter in soliton microcombs and provide newinsights on multisoliton physics.

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Contributing Institute(s):

1. Ultrafast Lasers & X-rays Division (FS-CFEL-2)
2. Fremdfirma (FF)

Research Program(s):

1. 631 - Matter – Dynamics, Mechanisms and Control (POF4-631) (POF4-631)

Experiment(s):

1. Measurement at external facility

Appears in the scientific report 2021

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Database coverage:
; Clarivate Analytics Master Journal List ; Current Contents - Physical, Chemical and Earth Sciences ; Ebsco Academic Search ; Essential Science Indicators ; IF >= 15 ; JCR ; Nationallizenz ; SCOPUS ; Science Citation Index Expanded ; Web of Science Core Collection

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