Journal
OPTICS LETTERS
Volume 35, Issue 19, Pages 3234-3236Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.35.003234
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Funding
- National Science Foundation (NSF) [ECCS-0601692]
- Naval Postgraduate School under the National Security Science and Engineering Faculty [N00244-09-1-0068]
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We demonstrate a scheme based on a cascade of lithium niobate intensity and phase modulators driven by specially tailored RF waveforms to generate an optical frequency comb with very high spectral flatness. In this Letter, we demonstrate a 10 GHz comb with 38 comb lines within a spectral power variation below 1 dB. The number of comb lines that can be generated is limited by the power handling capability of the phase modulator, and this can be scaled without compromising the spectral flatness. Furthermore, the spectral phase of the generated combs in our scheme is almost purely quadratic, which, as we will demonstrate, allows for high-quality pulse compression using only single-mode fiber. (C) 2010 Optical Society of America
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