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Dual comb generation in a monochromatically driven crystalline microresonator
Author(s): Romain Bouchand; Wenle Weng; Erwan Lucas; Tobias J. Kippenberg
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Paper Abstract

Recent works on Kerr frequency combs demonstrated the possibility to simultaneously generate multiple soliton states with different group velocities in a single microresonator, which could be beneficial for many applications utilizing dual-comb systems. In this work we demonstrate a dual-comb configuration in a single crystalline microresonator by monochromatically pumping counter-propagating solitons in the same spatial mode with equal powers. Moreover, we demonstrate experimentally and through simulations the key role of Cherenkov radiation interferences on the repetition rate of a multi-soliton state. This result not only shines new light on the impact of dispersive waves on dissipative Kerr solitons but also introduces a novel approach to develop coherent dual-comb spectrometer based on microcombs.

Paper Details

Date Published: 4 March 2019
PDF: 6 pages
Proc. SPIE 10904, Laser Resonators, Microresonators, and Beam Control XXI, 109040J (4 March 2019); doi: 10.1117/12.2513888
Show Author Affiliations
Romain Bouchand, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Wenle Weng, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Erwan Lucas, Ecole Polytechnique Fédérale de Lausanne (Switzerland)
Tobias J. Kippenberg, Ecole Polytechnique Fédérale de Lausanne (Switzerland)


Published in SPIE Proceedings Vol. 10904:
Laser Resonators, Microresonators, and Beam Control XXI
Alexis V. Kudryashov; Alan H. Paxton; Vladimir S. Ilchenko, Editor(s)

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