Phase steps and resonator detuning measurements in microresonator frequency combs

Pascal Del’Haye (), Aurélien Coillet, William Loh, Katja Beha, Scott B. Papp and Scott A. Diddams
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Pascal Del’Haye: National Institute of Standards and Technology (NIST)
Aurélien Coillet: National Institute of Standards and Technology (NIST)
William Loh: National Institute of Standards and Technology (NIST)
Katja Beha: National Institute of Standards and Technology (NIST)
Scott B. Papp: National Institute of Standards and Technology (NIST)
Scott A. Diddams: National Institute of Standards and Technology (NIST)

Nature Communications, 2015, vol. 6, issue 1, 1-9

Abstract: Abstract Experiments and theoretical modelling yielded significant progress toward understanding of Kerr-effect induced optical frequency comb generation in microresonators. However, the simultaneous Kerr-mediated interaction of hundreds or thousands of optical comb frequencies with the same number of resonator modes leads to complicated nonlinear dynamics that are far from fully understood. An important prerequisite for modelling the comb formation process is the knowledge of phase and amplitude of the comb modes as well as the detuning from their respective microresonator modes. Here, we present comprehensive measurements that fully characterize optical microcomb states. We introduce a way of measuring resonator dispersion and detuning of comb modes in a hot resonator while generating an optical frequency comb. The presented phase measurements show unpredicted comb states with discrete π and π/2 steps in the comb phases that are not observed in conventional optical frequency combs.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:nat:natcom:v:6:y:2015:i:1:d:10.1038_ncomms6668

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DOI: 10.1038/ncomms6668

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