14 July 2014 Wide-range tunability, thermal locking, and mode-crossing effects in Kerr optical frequency combs
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Abstract
We theoretically and experimentally investigate some effects related to the Kerr optical frequency comb generation, using a millimeter-size magnesium fluoride ultrahigh quality disk resonator. We show that the Kerr comb tunability can be extremely wide in the Turing pattern (or primary comb) regime, with an intermodal frequency that can be tuned from 4 to 229 multiple free spectral ranges (corresponding to a frequency spacing ranging from 24 GHz to 1.35 THz). We also discuss the role played by thermal locking while pumping the resonator, as well as the effect of modal crossing when broadband combs are generated.
© 2014 Society of Photo-Optical Instrumentation Engineers (SPIE)
Guoping Lin, Khaldoun Saleh, Rémi Henriet, Souleymane Diallo, Romain Martinenghi, Aurélien Coillet, Yanne K. Chembo, "Wide-range tunability, thermal locking, and mode-crossing effects in Kerr optical frequency combs," Optical Engineering 53(12), 122602 (14 July 2014). https://doi.org/10.1117/1.OE.53.12.122602
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