Improved spectral flatness and sub-two-cycle pulse generation in octave-spanning Kerr frequency combs using micro-resonators with two zero-dispersion wavelengths
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We show spectral flatness of Kerr frequency combs can be improved with a power fluctuation of <20 dB over one-octave bandwidth, using flattened dispersion profile with two ZDWs. Sub-two-cycle optical pulses (7.5 fs) are generated from the combs. © 2013 The Optical Society.
author list (cited authors)
Zhang, L., Mu, J., Singh, V., Lin, P. T., Patel, N., Agarwal, A., Kimerling, L. C., & Michel, J.