Ultralow-light-level all-optical transistor in rubidium vapor

Jietai Jing; Zhifan Zhou; Cunjin Liu; Zhongzhong Qin; Yami Fang; Jun Zhou; Weiping Zhang

doi:10.1063/1.4871384

Ultralow-light-level all-optical transistor in rubidium vapor

Jietai Jing, Zhifan Zhou, Cunjin Liu, Zhongzhong Qin, Yami Fang, Jun Zhou, Weiping Zhang

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

9 Scopus citations

Abstract

An all-optical transistor (AOT) is a device in which one light beam can efficiently manipulate another. It is the foundational component of an all-optical communication network. An AOT that can operate at ultralow light levels is especially attractive for its potential application in the quantum information field. Here, we demonstrate an AOT driven by a weak light beam with an energy density of 2.5 × 10^-5 photons/(λ 2/2π ) (corresponding to 6? yJ/(λ 2/2π ) and about 800 total photons) using the double-Λ four-wave mixing process in hot rubidium vapor. This makes it a promising candidate for ultralow-light-level optical communication and quantum information science.

Original language	English
Article number	151103
Journal	Applied Physics Letters
Volume	104
Issue number	15
DOIs	https://doi.org/10.1063/1.4871384
State	Published - 14 Apr 2014
Externally published	Yes

ASJC Scopus subject areas

Physics and Astronomy (miscellaneous)

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10.1063/1.4871384

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abstract = "An all-optical transistor (AOT) is a device in which one light beam can efficiently manipulate another. It is the foundational component of an all-optical communication network. An AOT that can operate at ultralow light levels is especially attractive for its potential application in the quantum information field. Here, we demonstrate an AOT driven by a weak light beam with an energy density of 2.5 × 10-5 photons/(λ 2/2π ) (corresponding to 6? yJ/(λ 2/2π ) and about 800 total photons) using the double-Λ four-wave mixing process in hot rubidium vapor. This makes it a promising candidate for ultralow-light-level optical communication and quantum information science.",

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AU - Jing, Jietai

AU - Zhou, Zhifan

AU - Liu, Cunjin

AU - Qin, Zhongzhong

AU - Fang, Yami

AU - Zhou, Jun

AU - Zhang, Weiping

PY - 2014/4/14

Y1 - 2014/4/14

N2 - An all-optical transistor (AOT) is a device in which one light beam can efficiently manipulate another. It is the foundational component of an all-optical communication network. An AOT that can operate at ultralow light levels is especially attractive for its potential application in the quantum information field. Here, we demonstrate an AOT driven by a weak light beam with an energy density of 2.5 × 10-5 photons/(λ 2/2π ) (corresponding to 6? yJ/(λ 2/2π ) and about 800 total photons) using the double-Λ four-wave mixing process in hot rubidium vapor. This makes it a promising candidate for ultralow-light-level optical communication and quantum information science.

AB - An all-optical transistor (AOT) is a device in which one light beam can efficiently manipulate another. It is the foundational component of an all-optical communication network. An AOT that can operate at ultralow light levels is especially attractive for its potential application in the quantum information field. Here, we demonstrate an AOT driven by a weak light beam with an energy density of 2.5 × 10-5 photons/(λ 2/2π ) (corresponding to 6? yJ/(λ 2/2π ) and about 800 total photons) using the double-Λ four-wave mixing process in hot rubidium vapor. This makes it a promising candidate for ultralow-light-level optical communication and quantum information science.

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Ultralow-light-level all-optical transistor in rubidium vapor

Abstract

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