Optical AND/OR gates based on monolithically integrated vertical cavity laser with depleted optical thyristor structure | Zendy

WoonKyung Choi | Zendy; Doo-Gun Kim | Zendy; Do-Gyun Kim | Zendy; YoungWan Choi | Zendy; Kent D. Choquette | Zendy; Seok Lee | Zendy; Deokha Woo | Zendy

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Optical AND/OR gates based on monolithically integrated vertical cavity laser with depleted optical thyristor structure

Author(s) -

WoonKyung Choi,

Doo-Gun Kim,

Do-Gyun Kim,

YoungWan Choi,

Kent D. Choquette,

Seok Lee,

Deokha Woo

Publication year - 2006

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.14.011833

Subject(s) - thyristor , optics , optical switch , optoelectronics , materials science , laser , logic gate , integrated gate commutated thyristor , and gate , voltage , physics , electrical engineering , engineering

Latching optical switches and optical logic gates with AND and OR functionality are demonstrated for the first time by the monolithic integration of a vertical cavity lasers with depleted optical thyristor structure. The thyristors have a low threshold current of 0.65 mA and a high on/off contrast ratio of more than 50 dB. By simply changing a reference switching voltage, this single device operates as two logic functions, optical logic AND and OR. The thyristor laser fabricated by using the oxidation process and has achieved high optical output power efficiency and a high sensitivity to the optical input light.

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