Asymptotic formalism for ultraflat optical frequency comb generation using a Mach-Zehnder modulator
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- 8 May 2007
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 32 (11) , 1515-1517
- https://doi.org/10.1364/ol.32.001515
Abstract
We theoretically prove that a conventional Mach–Zehnder modulator can generate an optical frequency comb with excellent spectral flatness. The modulator is asymmetrically dual driven by large amplitude sinusoidal signals with different amplitudes. The driving condition to obtain spectral flatness is analytically derived and optimized, yielding a simple formula. This formula also predicts the conversion efficiency and bandwidth of the generated frequency comb.Keywords
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