Optoelectronic integrated tristable device with optically controlled set and reset functions

Susumu Noda; Yasuhiro Kobayashi; Kimitaka Shibata; Akio Sasaki

doi:10.1117/12.147930

28 June 1993 Optoelectronic integrated tristable device with optically controlled set and reset functions

Susumu Noda, Yasuhiro Kobayashi, Kimitaka Shibata, Akio Sasaki

Proceedings Volume 1807, Photonic Switching; (1993) https://doi.org/10.1117/12.147930
Event: Topical Meeting on Photonic Switching, 1992, Minsk, Belarus

Abstract

An optical tristable device with optically controlled set and reset functions is developed for the first time. The device structure is a vertical and direct integration of four heterojunction phototransistors and a laser diode. Two HPTs (HPT-A and HPT-B) which are integrated just above the LD stripe are utilized to achieve the set operation, where the internal optical feedback from the LD to the HPTs takes an important role in the operation. On the other hand, an HPT (HPT-C or HPT-D) integrated slightly away from the position for the set operation is used to achieve the reset operation. The optical feedback from the LD to the HPT- A and the HPT-B is suppressed by the current bypass through the HPT-C connected to both ends of the LD.

Citation Download Citation

Susumu Noda, Yasuhiro Kobayashi, Kimitaka Shibata, and Akio Sasaki "Optoelectronic integrated tristable device with optically controlled set and reset functions", Proc. SPIE 1807, Photonic Switching, (28 June 1993); https://doi.org/10.1117/12.147930

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