Frequency up-shifter for THz light via relativistic Doppler reflection

Kono, Nanase; Itakura, Ryuji; Tsubouchi, Masaaki

We realize a relativistic Doppler reflection of THz light from a counter-propagating plasma mirror in silicon (Si), and demonstrate a frequency up-shift of the reflected THz light using a practically simple method, which allows us to apply the up-shift to the THz optics. The average frequency of the reflected THz light is 1.4 times higher than that of an input THz light. The frequency up-shift is achieved by a low pump energy density (2 J mm $^{-2}$ ) for generating the plasma mirror, which is suitable for the application.

Language	:	English
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Meeting title	:	40th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz 2015)
Held date	:	2015/08
Location (city)	:	Hong Kong
Location (country)	:	China
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Keywords	:	no keyword
Research Facility	:	Tキューブレーザー施設
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Cooperating Institute	:	文部科学省

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Registration No. : BB20150408
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