Optically Induced Electromagnetic Pulses from Semiconductor Surfaces

X.-C. Zhang; B.B. Hu; J.T. Darrow; X.H. Xin; D.H. Auston

doi:10.1364/UP.1990.ThE1

Ultrafast Phenomena
Technical Digest Series (Optica Publishing Group, 1990),
paper ThE1
•https://doi.org/10.1364/UP.1990.ThE1

Optically Induced Electromagnetic Pulses from Semiconductor Surfaces

X.-C. Zhang, B.B. Hu, J.T. Darrow, X.H. Xin, and D.H. Auston

International Conference on Ultrafast Phenomena 1990

Monterey, California United States
14–17 May 1990
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Optoelectronics (ThE)

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X. -. Zhang, B. B. Hu, J. T. Darrow, X. H. Xin, and D. H. Auston, "Optically Induced Electromagnetic Pulses from Semiconductor Surfaces," in Ultrafast Phenomena, Technical Digest Series (Optica Publishing Group, 1990), paper ThE1.

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Abstract

Teraheratz bandwidth electromagnetic radiation can be optically induced from semiconductor surfaces.¹ This diffraction-limited electromagnetic beam propagates in free space and can be optically steerable by varying the incident angle of the laser beam. The waveform of the radiated field depends on the impurity concentration, carrier mobility, and built-in field near the surface.

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