Ring-laser optical flip-flop memory with single active element

S. Zhang; Y.S. Liu; D. Lenstra; M. T. Hill; H. K. Ju; G.D. Khoe; H.J.S. Dorren

doi:10.1109/JSTQE.2004.835292

Ring-laser optical flip-flop memory with single active element

S. Zhang, Y.S. Liu, D. Lenstra, M. T. Hill, H. K. Ju, G.D. Khoe, H.J.S. Dorren

Research output: Contribution to Journal › Article › Academic › peer-review

Abstract

We present a novel optical flip-flop configuration that consists of two unidirectional ring lasers with separate cavities but sharing the same active element unidirectionally. We show that in such a configuration light in the lasing cavity can suppress lasing in the other cavity so that this system forms an optical bistable element. Essential for obtaining the bistability is the presence of an additional feedback circuit that is shared by both lasers. We show experimentally that the flip-flop can be optically set and reset, has a contrast ratio of 40 dB and allows low optical power operation. We also present a model based on roundtrip equations. Good agreement between theory and experiments is obtained.

Original language	English
Pages (from-to)	1093-1100
Journal	IEEE Journal of Selected Topics in Quantum Electronics
Volume	10
Issue number	5
DOIs	https://doi.org/10.1109/JSTQE.2004.835292
Publication status	Published - 2004

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Ring-laser optical flip-flop memory with single active element

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10.1109/JSTQE.2004.835292

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title = "Ring-laser optical flip-flop memory with single active element",

abstract = "We present a novel optical flip-flop configuration that consists of two unidirectional ring lasers with separate cavities but sharing the same active element unidirectionally. We show that in such a configuration light in the lasing cavity can suppress lasing in the other cavity so that this system forms an optical bistable element. Essential for obtaining the bistability is the presence of an additional feedback circuit that is shared by both lasers. We show experimentally that the flip-flop can be optically set and reset, has a contrast ratio of 40 dB and allows low optical power operation. We also present a model based on roundtrip equations. Good agreement between theory and experiments is obtained.",

author = "S. Zhang and Y.S. Liu and D. Lenstra and Hill, {M. T.} and Ju, {H. K.} and G.D. Khoe and H.J.S. Dorren",

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T1 - Ring-laser optical flip-flop memory with single active element

AU - Zhang, S.

AU - Liu, Y.S.

AU - Lenstra, D.

AU - Hill, M. T.

AU - Ju, H. K.

AU - Khoe, G.D.

AU - Dorren, H.J.S.

N1 - Ring-laser optical flip-flop memory with single active element

PY - 2004

Y1 - 2004

N2 - We present a novel optical flip-flop configuration that consists of two unidirectional ring lasers with separate cavities but sharing the same active element unidirectionally. We show that in such a configuration light in the lasing cavity can suppress lasing in the other cavity so that this system forms an optical bistable element. Essential for obtaining the bistability is the presence of an additional feedback circuit that is shared by both lasers. We show experimentally that the flip-flop can be optically set and reset, has a contrast ratio of 40 dB and allows low optical power operation. We also present a model based on roundtrip equations. Good agreement between theory and experiments is obtained.

AB - We present a novel optical flip-flop configuration that consists of two unidirectional ring lasers with separate cavities but sharing the same active element unidirectionally. We show that in such a configuration light in the lasing cavity can suppress lasing in the other cavity so that this system forms an optical bistable element. Essential for obtaining the bistability is the presence of an additional feedback circuit that is shared by both lasers. We show experimentally that the flip-flop can be optically set and reset, has a contrast ratio of 40 dB and allows low optical power operation. We also present a model based on roundtrip equations. Good agreement between theory and experiments is obtained.

U2 - 10.1109/JSTQE.2004.835292

DO - 10.1109/JSTQE.2004.835292

M3 - Article

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EP - 1100

JO - IEEE Journal of Selected Topics in Quantum Electronics

JF - IEEE Journal of Selected Topics in Quantum Electronics

IS - 5

ER -

Ring-laser optical flip-flop memory with single active element

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