Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Log inSign up
Challenges
Datasets
Workspaces
Papers
Discussions
Leaderboard
Blog
Job Board
Q3AS

© 2026 Aqora Quantum S.A.S.

TermsPrivacyLegal Notice

Quantum-Atom Optics Downunder (QAO)

Propagation of squeezed vacuum pulses inside a cold atomic ensemble with electromagnetically induced transparency

Kazuhito Honda, Daisuke Akamatsu, Manabu Arikawa, Yoshihiko Yokoi, K. Akiba, Satoshi Nagatsuka, Akira Furusawa, Mikio Kozuma

Published Jan 1, 2007• 0 citations
Publisher

Abstract

We experimentally investigated propagation of squeezed vacuum pulses in a cold atomic ensemble with electromagnetically induced transparency. 930 ns of the squeezed vacuum pulse was incident on the laser cooled 87Rb atoms and its propagation was analyzed using time domain method. Bandwidth of the squeezing was dramatically reduced due to the EIT and the slow propagation was clearly observed for the pulsed squeezed vacuum.

DOI
10.1364/qao.2007.qwe19

Related papers

Observation of electromagnetically induced transparency for a squeezed vacuum with the time domain method

学 有川, Manabu Arikawa, 和仁 本多 +13 more

A probe light in a squeezed vacuum state was injected into cold 87Rb 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 could pass through the cold atoms without optical loss, as was successfully monitored using a time-domain homodyne method.

•Sep 1, 2007•0 citations

Ultraslow Propagation of Squeezed Vacuum Pulses with Electromagnetically Induced Transparency

Daisuke Akamatsu, Yoshihiko Yokoi, Manabu Arikawa +4 more

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 light (control light). A homodyne method sensitive to the vacuum state was employed for detecting the probe pulse passing through the gas. A delay of 3.1 micros was observed for the probe pulse having a temporal width of 10 micros.

arXiv:quant-ph/0611097•Physical Review Letters•Oct 10, 2007•54 citations

Observation of electromagnetically induced transparency for a squeezed vacuum with the time domain method

Manabu Arikawa, Keita HONDA, Daisuke Akamatsu +5 more

A probe light in a squeezed vacuum state was injected into cold 87Rb 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 could pass through the cold atoms without optical loss, as was successfully monitored using a time-domain homodyne method.

arXiv:0707.1971•Optics Express•Jan 1, 2007•25 citations

Storage and Retrieval of a Squeezed Vacuum

Kazuhito Honda, Daisuke Akamatsu, Manabu Arikawa +6 more

Storage and retrieval of a squeezed vacuum was successfully demonstrated using electromagnetically induced transparency. The squeezed vacuum pulse having a temporal width of 930 ns was incident on the laser cooled 87Rb atoms with an intense control light in a coherent state. When the squeezed vacuum pulse was slowed and spatially compressed in the cold atoms, the control light was switched off. After 3 mus of storage, the control light was switched on again, and the squeezed vacuum was retrieved, as was confirmed using the time-domain homodyne method.

arXiv:0709.1785•Physical Review Letters•Mar 3, 2008•249 citations

Storage and Retrieval of a Squeezed Vacuum

和仁 本多, Kazuhito Honda, 大輔 赤松 +13 more

Storage and retrieval of a squeezed vacuum was successfully demonstrated using electromagnetically induced transparency. The squeezed vacuum pulse having a temporal width of 930 ns was incident on the laser cooled 87Rb atoms with an intense control light in a coherent state. When the squeezed vacuum pulse was slowed and spatially compressed in the cold atoms, the control light was switched off. After 3 µs of storage, the control light was switched on again, and the squeezed vacuum was retrieved, as was confirmed using the time-domain homodyne method.

•Mar 1, 2008•0 citations

Slow light with cavity electromagnetically induced transparency

Jiepeng Zhang, Gessler Hernandez, Yifu Zhu

We report an experimental observation of slow light propagation in cold Rb atoms exhibiting cavity electromagnetically induced transparency (EIT). The steep slope of the atomic dispersion manifested by EIT reduces the light group velocity. The cavity filtering and feedback further contribute to the slowdown and delay of the light pulse propagation. A combination of the cavity and the EIT atomic system significantly improves the performance of the slow light propagation. A propagation time delay of approximately 200 ns was observed in the cavity and Rb EIT system, which is approximately 70 times greater than the time delay calculated for the light pulse propagation through the same Rb EIT system without the cavity.

Optics Letters•Dec 19, 2007•81 citations
We experimentally investigated propagation of squeezed vacuum pulses in a cold atomic ensemble with electromagnetically induced transparency. 930 ns of the squeezed vacuum pulse was incident on the laser cooled 87Rb atoms and its propagation was analyzed using time domain method. Bandwidth of the squeezing was dramatically reduced due to the EIT and the slow propagation was clearly observed for the pulsed squeezed vacuum.
Storage and retrieval of a squeezed vacuum was successfully demonstrated using electromagnetically induced transparency. The squeezed vacuum pulse having a temporal width of 930 ns was incident on the laser cooled 87Rb atoms with an intense control light in a coherent state. When the squeezed vacuum pulse was slowed and spatially compressed in the cold atoms, the control light was switched off. After 3 mus of storage, the control light was switched on again, and the squeezed vacuum was retrieved, as was confirmed using the time-domain homodyne method.
Storage and retrieval of a squeezed vacuum was successfully demonstrated using electromagnetically induced transparency. The squeezed vacuum pulse having a temporal width of 930 ns was incident on the laser cooled 87Rb atoms with an intense control light in a coherent state. When the squeezed vacuum pulse was slowed and spatially compressed in the cold atoms, the control light was switched off. After 3 µs of storage, the control light was switched on again, and the squeezed vacuum was retrieved, as was confirmed using the time-domain homodyne method.
We report an experimental observation of slow light propagation in cold Rb atoms exhibiting cavity electromagnetically induced transparency (EIT). The steep slope of the atomic dispersion manifested by EIT reduces the light group velocity. The cavity filtering and feedback further contribute to the slowdown and delay of the light pulse propagation. A combination of the cavity and the EIT atomic system significantly improves the performance of the slow light propagation. A propagation time delay of approximately 200 ns was observed in the cavity and Rb EIT system, which is approximately 70 times greater than the time delay calculated for the light pulse propagation through the same Rb EIT system without the cavity.