Terahertz Radiation from a Shallow Incidence-Angle InAs Emitter in a Magnetic Field Irradiated with Femtosecond Laser Pulses
Applied Optics, Vol. 40, Issue 9, pp. 1369-1371 (2001)
http://dx.doi.org/10.1364/AO.40.001369
Acrobat PDF (593 KB)
Abstract
The optimized incidence angle and magnetic field direction geometry of an InAs terahertz radiation emitter irradiated with femtosecond laser pulses in a magnetic field is reported. The optimum geometric layout is the magnetic field direction parallel to the semiconductor surface and at an incidence angle that is slightly larger than the Brewster angle. Additionally, we also observed a center frequency shift of terahertz radiation spectrum by changing the incidence angle of the excitation laser.
© 2001 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers
Citation
Shingo Ono, Takeyo Tsukamoto, Eiji Kawahata, Takayuki Yano, Hideyuki Ohtake, and Nobuhiko Sarukura, "Terahertz Radiation from a Shallow Incidence-Angle InAs Emitter in a Magnetic Field Irradiated with Femtosecond Laser Pulses," Appl. Opt. 40, 1369-1371 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-9-1369
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