Optical flip-flop memory based on ring lasers sharing one active element with feedback through an extended cavity

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

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Uittreksel

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.
Originele taal-2Engels
Pagina's (van-tot)1093-1100
Aantal pagina's8
TijdschriftIEEE Journal of Selected Topics in Quantum Electronics
Volume10
Nummer van het tijdschrift5
DOI's
StatusGepubliceerd - 2004

Vingerafdruk

flip-flops
Ring lasers
Flip flop circuits
ring lasers
Feedback
Data storage equipment
cavities
lasing
feedback circuits
configurations
Networks (circuits)
Lasers
Experiments
lasers

Citeer dit

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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.",
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Optical flip-flop memory based on ring lasers sharing one active element with feedback through an extended cavity. / Zhang, S.; Liu, Y.; Lenstra, D.; Hill, M.T.; Khoe, G.D.; Ju, H.; Dorren, H.J.S.

In: IEEE Journal of Selected Topics in Quantum Electronics, Vol. 10, Nr. 5, 2004, blz. 1093-1100.

Onderzoeksoutput: Bijdrage aan tijdschriftTijdschriftartikelAcademicpeer review

TY - JOUR

T1 - Optical flip-flop memory based on ring lasers sharing one active element with feedback through an extended cavity

AU - Zhang, S.

AU - Liu, Y.

AU - Lenstra, D.

AU - Hill, M.T.

AU - Khoe, G.D.

AU - Ju, H.

AU - Dorren, H.J.S.

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