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Conferences > CLEO_SI > 2016 > SF1G > SF1G.4

Tailoring of Optical Frequency Comb Shape by Harmonic Signal Superposition in Mach-Zehnder Modulator

Nobuhide Yokota, Koichiro Abe, Shigeru Mieda, Ryo Igarashi, and Hiroshi Yasaka

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Abstract

We demonstrate tailored optical frequency comb generation by using a LiNbO3 Mach-Zehnder modulator driven by a combination of fundamental modulation RF signal and its second-order harmonic. A quasi-rectangular-shaped optical frequency comb having less than 0.5-dB flatness among 11 lines is numerically and experimentally obtained with a slight second-order harmonic superposition on the RF signal. In this method, we discuss an optimum condition of the superposed harmonic signal for obtaining flat optical frequency combs with bandwidth tunability.

© 2016 Optical Society of America

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