S. Ono et al., Terahertz radiation from a shallow incidence-angle InAs emitter in a magnetic field irradiated with femtosecond laser pulses, APPL OPTICS, 40(9), 2001, pp. 1369-1371
The optimized incidence angle and magnetic field direction geometry; of an
InAs terahertz radiation emitter irradiated with femtosecond laser pulses i
n a magnetic field is reported. The optimum geometric layout is the magneti
c field direction parallel to the semiconductor surface and at an incidence
angle that is slightly larger than the Brewster angle. Additionally, we al
so observed a center frequency shift of terahertz radiation spectrum by cha
nging the incidence angle of the excitation laser. (C) 2001 Optical Society
of America.