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Tunable terahertz generation using femtosecond pulse shaping (2002)

Sohn, J. Y. ; Ahn, Y. H. ; Park, D. J. ; [et al.]

Woodbury, NY : American Institute of Physics (AIP)

Applied Physics Letters 81 (2002), S. 13-15

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ISSN: 1077-3118

Source: AIP Digital Archive

Topics: Physics

Notes: Femtosecond pulse shaping and photomixing methods are combined to make a tunable terahertz source. Grating-pair pulse shaper selects two main frequency components to produce pulses that are modulated with a period which is inversely proportional to the frequency separation. The shaped pulse is then photomixed in semi-insulating GaAs under external bias. Terahertz (THz) emission frequency follows the modulation frequency of the excitation pulses, from 0.5 to 3 THz. Contrary to cw photomixing, this method can easily be combined with electro-optic and photoconductive sampling detection methods. © 2002 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.1490140

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