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Terahertz wave generation from GaP waveguide emitter pumped by compact photonic crystal fiber femtosecond laser

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8 Author(s)
Feng Liu ; Ultrafast Laser Lab., Tianjin Univ., Tianjin, China ; Yanfeng Li ; Lu Chai ; Youjian Song
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We present the generation of a terahertz pulse train from a rectangular GaP waveguide emitter pumped by a compact photonic crystal fiber femtosecond amplifier. The effects of the pump pulse width and chirp characteristics on the terahertz conversion efficiency and the generated THz spectrum were studied. The peak spectrum could be easily tuned by altering the separation of the compression grating pair.

Published in:

Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010 35th International Conference on

Date of Conference:

5-10 Sept. 2010