NDLI: Tunable narrowband terahertz generation by optical rectification in single domain lithium niobate crystal

Content Provider	IEEE Xplore Digital Library
Author	Kawayama, I. Caihong Zhang Avetisyan, Y. Murakami, H. Tonouchi, M.
Copyright Year	2014
Description	Author affiliation: Inst. of Laser Eng., Osaka Univ., Suita, Japan (Kawayama, I.; Caihong Zhang; Avetisyan, Y.; Murakami, H.; Tonouchi, M.)
Abstract	During the last decades, narrowband terahertz (THz) radiation has attracted great interests in both fundamental and applied sciences. For many applications, the tunability of both central frequency and bandwidth of the narrowband THz radiation are required. In this study, a simple approach to generate high energy, frequency- and bandwidth- tunable multicycle THz pulses by optical rectification of pre-shaped fs-laser pulses in the single domain lithium niobate crystal is proposed and demonstrated. A one dimensional binary mask is used as the laser beam shapers. It is shown that the mask application is equivalent to spatial modulation of the crystal's nonlinear coefficients, which allows using the technique of quasi-phase-matching and similar to the case that in periodically poled lithium niobate.
Starting Page	1
Ending Page	2
File Size	354990
Page Count	2
File Format	PDF
ISBN	9781557529992
DOI	10.1364/CLEO_SI.2014.SF2F.2
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-08
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	The Optical Society
Subject Keyword	Lithium niobate Crystals Laser excitation Laser beams Ultrafast optics Pump lasers Narrowband
Content Type	Text
Resource Type	Article

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