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Related papers: Storage and Retrieval of a Squeezed Vacuum

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We produce a 600-ns pulse of 1.86-dB squeezed vacuum at 795 nm in an optical parametric amplifier and store it in a rubidium vapor cell for 1 us using electromagnetically induced transparency. The recovered pulse, analyzed using time-domain…

Quantum Physics · Physics 2009-11-13 Juergen Appel , Eden Figueroa , Dmitry Korystov , M. Lobino , A. I. Lvovsky

We have succeeded in observing ultraslow propagation of squeezed vacuum pulses with electromagnetically induced transparency. Squeezed vacuum pulses (probe lights) were incident on a laser cooled 87Rb gas together with an intense coherent…

A probe light in a squeezed vacuum state was injected into cold 87 $Rb atoms with an intense control light in a coherent state. A sub-MHz window was created due to electromagnetically induced transparency, and the incident squeezed vacuum…

Quantum Physics · Physics 2009-11-13 M. Arikawa , K. Honda , D. Akamatsu , Y. Yokoi , K. Akiba , S. Nagatsuka , A. Furusawa , M. Kozuma

We have developed a quantum memory technique that is completely compatible with current quantum information processing for continuous variables of light, where arbitrary frequency sidebands of a squeezed vacuum can be stored and retrieved…

We investigate whether it is possible to store and retrieve the intense probe pulse from a $\Lambda$-type homogeneous medium of cold atoms. Through numerical simulations we show that it is possible to store and retrieve the probe pulse…

Quantum Physics · Physics 2007-05-23 Tarak Nath Dey , G. S. Agarwal

We experimentally demonstrate electromagnetically induced transparency and light storage with ultracold 87Rb atoms in a Mott insulating state in a three dimensional optical lattice. We have observed light storage times of about 240 ms, to…

Quantum Physics · Physics 2010-06-21 U. Schnorrberger , J. D. Thompson , S. Trotzky , R. Pugatch , N. Davidson , S. Kuhr , I. Bloch

We propose a scheme of storing and releasing pulses or cw beams of light in a moving atomic medium illuminated by two stationary and spatially separated control lasers. The method is based on electromagnetically induced transparency (EIT)…

Quantum Physics · Physics 2009-11-07 G. Juzeliunas , M. Masalas , M. Fleischhauer

We investigate theoretically the optical properties of an atomic gas which has been cooled by the laser cooling method velocity-selective coherent population trapping. We demonstrate that the application of a weak laser pulse gives rise to…

Quantum Physics · Physics 2009-11-11 M. Kiffner , K. -P. Marzlin

A robust light storage and retrieval (LSR) in high dimensions is highly desirable for light and quantum information processing. However, most schemes on LSR realized up to now encounter problems due to not only dissipation, but also…

Optics · Physics 2016-04-19 Zhiming Chen , Zhengyang Bai , Hui-jun Li , Chao Hang , Guoxiang Huang

We report the experimental observation of slow-light and coherent storage in a setting where light is tightly confined in the transverse directions. By interfacing a tapered optical nanofiber with a cold atomic ensemble, electromagnetically…

Quantum Physics · Physics 2015-05-12 B. Gouraud , D. Maxein , A. Nicolas , O. Morin , J. Laurat

We report an experiment in which a light pulse is decelerated and trapped in a vapor of Rb atoms, stored for a controlled period of time, and then released on demand. We accomplish this storage of light by dynamically reducing the group…

Quantum Physics · Physics 2009-11-06 D. F. Phillips , A. Fleischhauer , A. Mair , R. L. Walsworth , M. D. Lukin

Quantum measurements of mechanical systems can produce optical squeezing via ponderomotive forces. Its observation requires high environmental isolation and efficient detection, typically achieved by using optical cavities and cryogenic…

The broadband parametric fluorescence pulse (probe light) with center frequency resonant on 87Rb D1 line was injected into a cold atomic ensemble with coherent light (control light). Due to the low gain in the parametric down conversion…

Quantum Physics · Physics 2009-11-13 K. Akiba , K. Kashiwagi , T. Yonehara , M. Kozuma

We examine in detail an alternative method of retrieving the information written into an atomic ensemble of three-level atoms using electromagnetically induced transparency. We find that the behavior of the retrieved pulse is strongly…

Quantum Physics · Physics 2009-11-10 Amy Peng , Mattias Johnsson , Joseph J. Hope

We experimentally and theoretically analyze the transmission of continuous-wave and pulsed squeezed vacuum through rubidium vapor under the conditions of electromagnetically induced transparency. Frequency- and time-domain homodyne…

Quantum Physics · Physics 2009-03-09 Eden Figueroa , Mirko Lobino , Dmitry Korystov , Juergen Appel , A. I. Lvovsky

We theoretically show that laser recoil heating in free-space levitated optomechanics can be arbitrarily suppressed by shining squeezed light onto an optically trapped nanoparticle. The presence of squeezing modifies the quantum…

We study the process of squeezing of an ensemble of cold atoms in a pulsed optical lattice. The problem is treated both classically and quantum-mechanically under various thermal conditions. We show that a dramatic compression of the atomic…

Quantum Physics · Physics 2009-11-07 M. Leibscher , I. Sh. Averbukh

Squeezed light plays a vital role in quantum information processing. By nature, it is highly sensitive, which presents significant practical challenges, particularly in remote detection, traditionally requiring complex systems such as…

Highly-efficient quantum memories are essential for advancing quantum information processing technologies, including scalable quantum computing and quantum networks. We experimentally demonstrate a light storage and retrieval protocol in a…

Quantum Physics · Physics 2025-08-15 Shan Zhong , A. J. Sudler , D. Blume , Alberto M. Marino

We reported a compact squeezed light source consisting of an diode laser near resonant on 87Rb optical D1 transition and an warm Rubidium vapor cell. The -4dB vacuum squeezing at 795 nm via nonlinear magneto-optical rotation was observed…

Quantum Physics · Physics 2015-12-29 Guzhi Bao , Xiaotian Feng , Bing Chen , Jinxian Guo , Heng Shen , Liqing Chen , Weiping Zhang
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