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 State Engineering for High Efficiency Quantum Memories and Cavity Line Narrowing

Mahmood Sabooni, Qian Li, Diana Serrano, Stefan Kröll, Lars Rippe

Published Jan 1, 2014• 0 citations
Publisher

Abstract

A 56% efficiency quantum memory is created by inserting a <1% efficiency memory in a low-finesse cavity. Changing the memory absorption profile by optical pumping decreases the cavity mode-spacing by >4 orders of magnitude.
DOI
10.1364/cleo_qels.2014.ff2a.1

Related papers

Cavity-enhanced storage—preparing for high-efficiency quantum memories

Mahmood Sabooni, Samuel Tornibue Kometa, Axel Thuresson +2 more

Cavity assisted quantum memory storage has been proposed [PRA 82, 022310 (2010), PRA 82, 022311 (2010)] for creating efficient (close to unity) quantum memories using weakly absorbing materials. Using this approach we experimentally demonstrate a significant (about 20-fold) enhancement in quantum memory efficiency compared to the no cavity case. A strong dispersion originating from absorption engineering inside the cavity was observed, which directly affect the cavity line-width. A more than 3 orders of magnitude reduction of cavity mode spacing and cavity line-width from GHz to MHz was observed. We are not aware of any previous observation of several orders of magnitudes cavity mode spacing and cavity line-width reduction due to slow light effects.

arXiv:1212.3774•New Journal of Physics•Mar 25, 2013•24 citations

Towards highly multimode optical quantum memory for quantum repeaters

Pierre Jobez, Nuala Timoney, Cyril Laplane +5 more

A technique to increase the capacity of a quantum memory is demonstrated. The method is based on shaping the profile of an optical pumping pulse, thus creating a high-resolution atomic comb structure that acts as a time-multiplexing optical storage device.

arXiv:1512.02936•Physical Review A•Mar 21, 2016•125 citations

Spectral Engineering of Slow Light, Cavity Line Narrowing, and Pulse Compression

Mahmood Sabooni, Qian Li, Lars Rippe +2 more

More than 4 orders of magnitude of cavity-linewidth narrowing in a rare-earth-ion-doped crystal cavity, emanating from strong intracavity dispersion caused by off-resonant interaction with dopant ions, is demonstrated. The dispersion profiles are engineered using optical pumping techniques creating significant semipermanent but reprogrammable changes of the rare-earth absorption profiles. Several cavity modes are shown within the spectral transmission window. Several possible applications of this phenomenon are discussed.

arXiv:1311.2301•Physical Review Letters•Oct 31, 2013•47 citations

Quantum state engineering of light with cavities and quantum memories

Martin Bouillard, Guillaume Boucher, Bhaskar Kanseri +1 more

We are implementing optical cavities to produce a pulsed single photon generator with a high repetition rate. The produced photon will be later stored in a cavity by using its polarization.

Quantum Information and Measurement (QIM)•Jan 1, 2017•0 citations

Towards All-optical Cavity-based Memory for Non-Gaussian Quantum State Engineering

Fumiya Hanamura, Kan Takase, Kazuki Hirota +13 more

We present our experimental results on all-optical memory to store and manipulate quantum states, and propose resource-efficient time-domain-multiplexed state engineering using the memory. This paves a path to scalable quantum information processors.

•Jan 1, 2024•0 citations

Three orders of magnitude cavity-linewidth narrowing by slow light in a rare-earth-ion-doped crystal cavity

Mahmood Sabooni, Qian Li, Lars Rippe +1 more

Three orders of magnitude cavity-linewidth narrowing in a rare-earth-ion-doped crystal cavity, induced by strong intra-cavity dispersion caused by off-resonant interaction with dopant ions is demonstrated. The strong dispersion is created by semi-permanent but rapidly reprogrammable changes of the rare earth absorption profiles using optical pumping techniques. Several cavity modes are shown within the spectral transmission window. Potential applications are discussed.

arXiv:1304.4456•Apr 16, 2013•27 citations
Cavity assisted quantum memory storage has been proposed [PRA 82, 022310 (2010), PRA 82, 022311 (2010)] for creating efficient (close to unity) quantum memories using weakly absorbing materials. Using this approach we experimentally demonstrate a significant (about 20-fold) enhancement in quantum memory efficiency compared to the no cavity case. A strong dispersion originating from absorption engineering inside the cavity was observed, which directly affect the cavity line-width. A more than 3 orders of magnitude reduction of cavity mode spacing and cavity line-width from GHz to MHz was observed. We are not aware of any previous observation of several orders of magnitudes cavity mode spacing and cavity line-width reduction due to slow light effects.
More than 4 orders of magnitude of cavity-linewidth narrowing in a rare-earth-ion-doped crystal cavity, emanating from strong intracavity dispersion caused by off-resonant interaction with dopant ions, is demonstrated. The dispersion profiles are engineered using optical pumping techniques creating significant semipermanent but reprogrammable changes of the rare-earth absorption profiles. Several cavity modes are shown within the spectral transmission window. Several possible applications of this phenomenon are discussed.