Semiconductor optical apparatus

Details Semiconductor optical apparatus Semiconductor optical apparatus

1988-11-16

1991-04-23

Popek, Joseph A.

Static information storage and retrieval

Radiant energy

Semiconductive

357 16, G11C 1142

Patent

active

050105175

ABSTRACT:
A semiconductor optical apparatus of the invention has a quantum well super-lattice structure essentially of only direct transition semiconductor or comprising a direct transition semiconductor and an indirect transiton semiconductor. In the semiconductor optical apparatus of the invention, by using an absorption saturation phenomenon of excitions in the direct transition semiconductor constructing the quantum well super-lattice structure, a non-volatile information recording apparatus which can record, reproduce, and erase information at a high speed even at the room temperature or even by irradiating a light of a low intensity is realized.

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Peyghambarian, N. et al, "Optical Bistability for Optical Signal Processing and Computing", Optical Enginering, vol. 24, No. 1, Jan. 1985.
Y. Hefetz et al., "Optical Properties of ZnSe/(ZnMN) Se Multiquantum Wells", Applied Physics Letters, vol. 47, No. 9, Nov. 1985, pp. 989-991.

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