Bao, Hualong, Cooper, Adele, Rowley, Maxwell, Di Lauro, Luigi, Totero Gongora, Juan Sebastian, Chu, Sai T, Little, Brent E, Oppo, Gian-Luca, Morandotti, Roberto, Moss, David J, Wetzel, Benjamin, Peccianti, Marco and Pasquazi, Alessia (2019) Laser cavity-soliton microcombs. Nature Photonics, 13. pp. 384-389. ISSN 1749-4885
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Abstract
Microcavity-based frequency combs, or ‘microcombs’1,2, have enabled many fundamental breakthroughs3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21 through the discovery of temporal cavity-solitons. These self-localized waves, described by the Lugiato–Lefever equation22, are sustained by a background of radiation usually containing 95% of the total power23. Simple methods for their efficient generation and control are currently being investigated to finally establish microcombs as out-of-the-lab tools24. Here, we demonstrate microcomb laser cavity-solitons. Laser cavity-solitons are intrinsically background-free and have underpinned key breakthroughs in semiconductor lasers22,25,26,27,28. By merging their properties with the physics of multimode systems29, we provide a new paradigm for soliton generation and control in microcavities. We demonstrate 50-nm-wide bright soliton combs induced at average powers more than one order of magnitude lower than the Lugiato–Lefever soliton power threshold22, measuring a mode efficiency of 75% versus the theoretical limit of 5% for bright Lugiato–Lefever solitons23. Finally, we can tune the repetition rate by well over a megahertz without any active feedback.
Item Type: | Article |
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Schools and Departments: | School of Mathematical and Physical Sciences > Physics and Astronomy |
Research Centres and Groups: | Sussex Centre for Quantum Technologies |
Subjects: | Q Science > QC Physics > QC0350 Optics. Light > QC0395 Physical optics > QC0446.2 Nonlinear optics. Quantum optics |
Depositing User: | Alessia Pasquazi |
Date Deposited: | 12 Mar 2019 12:06 |
Last Modified: | 23 Oct 2020 11:30 |
URI: | http://sro.sussex.ac.uk/id/eprint/82493 |
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📧 Request an updateProject Name | Sussex Project Number | Funder | Funder Ref |
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UK Quantum Technology Hub for Sensors and Metrology | G1511 | EPSRC-ENGINEERING & PHYSICAL SCIENCES RESEARCH COUNCIL | EP/M013294/1 |
TIMING: Time-Resolved Nonlinear Ghost Imaging | G2016 | EUROPEAN UNION | 725046 |
CHRONOS - Route to On-Chip Resonating Optical Clocks via Nonlinear Optics | G1159 | EUROPEAN UNION | IIF-GA-2012-327627 |