Two-cycle pulse generation from mode-locked Kerr frequency combs based on an integrated dispersion-flattened micro-resonator

Lin Zhang; Anuradha M. Agarwal; Lionel C. Kimerling; Jurgen Michel

doi:10.1117/12.2037434

4 March 2014 Two-cycle pulse generation from mode-locked Kerr frequency combs based on an integrated dispersion-flattened micro-resonator

Lin Zhang, Anuradha M. Agarwal, Lionel C. Kimerling, Jurgen Michel

Author Affiliations +

Proceedings Volume 8960, Laser Resonators, Microresonators, and Beam Control XVI; 896004 (2014) https://doi.org/10.1117/12.2037434
Event: SPIE LASE, 2014, San Francisco, California, United States

Abstract

Kerr frequency comb generation from a nonlinear high-Q resonator becomes an interdisciplinary research topic emerging from nonlinear optics, integrated photonics, and ultrafast optics. We show that ultrashort cavity solitons can be generated from a mode-locked Kerr frequency comb in a dispersion-engineered nonlinear microresonator. The spectral flatness of the comb is greatly improved by making the cavity soliton as short as two optical cycles, with a comb line power variation below 20 dB over an octave-spanning bandwidth from near infrared to mid infrared, while excellent spectral coherence is achieved by soliton-based mode locking. It is shown by simulation that the two-cycle solitons are robust to the wideband soliton perturbation effects such as all-order dispersion, frequency-dependent Q-factor, dispersive wave generation, Kerr self-steepening, and stimulated Raman scattering. The pump power used to generate an octave-spanning combs can be significantly reduced when a dispersion profile with four zero-dispersion frequencies, which paves the way to achieve a fully integrated frequency comb generator on a chip.

Citation Download Citation

Lin Zhang, Anuradha M. Agarwal, Lionel C. Kimerling, and Jurgen Michel "Two-cycle pulse generation from mode-locked Kerr frequency combs based on an integrated dispersion-flattened micro-resonator", Proc. SPIE 8960, Laser Resonators, Microresonators, and Beam Control XVI, 896004 (4 March 2014); https://doi.org/10.1117/12.2037434

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