We report pulse-shaper-assisted phase control of a broad spectrum, aiming to synthesize nonsinusoidal waveforms. We first generate multiple-order coherent Raman sidebands by focusing two laser beams into a piece of diamond. Then we combine five sidebands into a single beam by using a prism. Our setup allows for both coarse, manual phase adjustments and fine tuning of the spectral phases. A flat spectral phase across these five frequency-separated sub-bands is achieved, which implies generation of two to three optical-cycle pulses.
© 2011 Optical Society of America
Original Manuscript: July 18, 2011
Manuscript Accepted: August 30, 2011
Published: October 7, 2011
M. Zhi, K. Wang, X. Hua, and A. V. Sokolov, "Pulse-shaper-assisted phase control of a coherent broadband spectrum of Raman sidebands," Opt. Lett. 36, 4032-4034 (2011)