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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 9 — Mar. 20, 2001
  • pp: 1369–1371

Terahertz radiation from a shallow incidence-angle InAs emitter in a magnetic field irradiated with femtosecond laser pulses

Shingo Ono, Takeyo Tsukamoto, Eiji Kawahata, Takayuki Yano, Hideyuki Ohtake, and Nobuhiko Sarukura  »View Author Affiliations


Applied Optics, Vol. 40, Issue 9, pp. 1369-1371 (2001)
http://dx.doi.org/10.1364/AO.40.001369


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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

OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.3070) Lasers and laser optics : Infrared and far-infrared lasers

History
Original Manuscript: April 19, 2000
Revised Manuscript: October 20, 2000
Published: March 20, 2001

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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