Optical logic gates using coherent feedback

Zhifan Zhou; Cunjin Liu; Yami Fang; Jun Zhou; Ryan T. Glasser; Liqing Chen; Jietai Jing; Weiping Zhang

doi:10.1063/1.4767133

Optical logic gates using coherent feedback

Zhifan Zhou^*
, Cunjin Liu
, Yami Fang
, Jun Zhou
, Ryan T. Glasser
, Liqing Chen
, Jietai Jing
, Weiping Zhang

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

We experimentally demonstrate optical logic "OR" and "NOR" gates via coherent feedback. Based on a four-wave mixing process in hot rubidium vapor, two feedback beams are capable of fulfilling an optical "NOR" gate for the feedback-suppressed state and an optical "OR" gate for the feedback-boosted state simultaneously. The logic gates exhibit transition times faster than previously demonstrated in rubidium vapor. Coherent photon conversion between the two logic states, due to the atomic coherence, is observed in the coherent feedback process.

Original language	English
Article number	191113
Journal	Applied Physics Letters
Volume	101
Issue number	19
DOIs	https://doi.org/10.1063/1.4767133
State	Published - 5 Nov 2012

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10.1063/1.4767133

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title = "Optical logic gates using coherent feedback",

abstract = "We experimentally demonstrate optical logic {"}OR{"} and {"}NOR{"} gates via coherent feedback. Based on a four-wave mixing process in hot rubidium vapor, two feedback beams are capable of fulfilling an optical {"}NOR{"} gate for the feedback-suppressed state and an optical {"}OR{"} gate for the feedback-boosted state simultaneously. The logic gates exhibit transition times faster than previously demonstrated in rubidium vapor. Coherent photon conversion between the two logic states, due to the atomic coherence, is observed in the coherent feedback process.",

author = "Zhifan Zhou and Cunjin Liu and Yami Fang and Jun Zhou and Glasser, \{Ryan T.\} and Liqing Chen and Jietai Jing and Weiping Zhang",

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AU - Zhou, Zhifan

AU - Liu, Cunjin

AU - Fang, Yami

AU - Zhou, Jun

AU - Glasser, Ryan T.

AU - Chen, Liqing

AU - Jing, Jietai

AU - Zhang, Weiping

PY - 2012/11/5

Y1 - 2012/11/5

N2 - We experimentally demonstrate optical logic "OR" and "NOR" gates via coherent feedback. Based on a four-wave mixing process in hot rubidium vapor, two feedback beams are capable of fulfilling an optical "NOR" gate for the feedback-suppressed state and an optical "OR" gate for the feedback-boosted state simultaneously. The logic gates exhibit transition times faster than previously demonstrated in rubidium vapor. Coherent photon conversion between the two logic states, due to the atomic coherence, is observed in the coherent feedback process.

AB - We experimentally demonstrate optical logic "OR" and "NOR" gates via coherent feedback. Based on a four-wave mixing process in hot rubidium vapor, two feedback beams are capable of fulfilling an optical "NOR" gate for the feedback-suppressed state and an optical "OR" gate for the feedback-boosted state simultaneously. The logic gates exhibit transition times faster than previously demonstrated in rubidium vapor. Coherent photon conversion between the two logic states, due to the atomic coherence, is observed in the coherent feedback process.

UR - https://www.scopus.com/pages/publications/84869028266

U2 - 10.1063/1.4767133

DO - 10.1063/1.4767133

M3 - 文章

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SN - 0003-6951

VL - 101

JO - Applied Physics Letters

JF - Applied Physics Letters

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Optical logic gates using coherent feedback

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