Abstract
The carrier-induced refractive index change of a IIIV heterojunction is very large[1]. It is produced by bandfilling, band-gap shrinkage, and plasma dispersion. Optical switches utilizing this large index change have already been demonstrated[2,3]. At the photon energies near Eg, however, measurement is difficult due to absorption, so that the experimental verification has not been completely done[4] and the design of the carrier- induced optical devices is still difficult.
© 1993 Optical Society of America
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