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

Bulletin of the American Physical Society

All-Optical Switching in an Add-Drop Resonator using Two-Photon Absorption in Warm Rubidium Vapor

Chad N. Weiler, S. M. Hendrickson, Ryan M. Camacho, Peter T. Rakich, Jonathan A. Cox, Michael Shaw, T. B. Pittman, J. D. Franson, B. C. Jacobs

Published Jun 6, 2013• 0 citations
OpenAlex

Related papers

Fast, low-loss all-optical switching via a two-photon ladder transition in warm rubidium vapour

Davis, Will

•Mar 1, 2024•0 citations

Cavity-based optical switching via phase modulation in warm rubidium vapor

Georgia Booton, Tabijah Wasawo, W. O. C. Davis +5 more

Optical switching remains a key outstanding challenge for scalable photonic quantum computing due to the trade-off between speed, bandwidth, and loss. Quantum photonics demands all three to enable high computational clock rates and resource-efficient scaling to large systems. We present a cavity-based optical switch that overcomes this limitation, demonstrating a rise time of 22 ns, an insertion loss of 2.4 dB, and an extinction ratio of 17.5, which bridges the gap between speed and efficiency in photonic switching. All-optical control is achieved via phase modulation of a signal field detuned from the near-degenerate two-photon absorption ladder in warm rubidium vapor. The ultimate performance of our switch will find applications in active multiplexing, loop-based quantum memory, and feed-forward for quantum error-correction protocols.

arXiv:2508.06255•Physical Review A•Apr 28, 2026•0 citations

Ultrafast all-optical switching by single photons

Thomas Volz, Andreas Reinhard, Martin Winger +4 more

arXiv:1111.2915•Nature Photonics•Aug 10, 2012•441 citations

All-optical-switching demonstration using two-photon absorption and the Zeno effect

S. M. Hendrickson, Chad N. Weiler, Ryan M. Camacho +6 more

Low-contrast all-optical Zeno switching has been demonstrated in a Si${}_{3}$N${}_{4}$ microdisk resonator coupled to warm atomic vapor. The device is based on the suppression of the resonant microcavity field buildup due to nondegenerate two-photon absorption. This experiment used one beam in a resonator and one in free space due to limitations related to device physics. These results suggest that a similar scheme with both beams resonant in the cavity would correspond to input power levels below 150 nW.

arXiv:1206.0930•Physical Review A•Feb 7, 2013•50 citations

Rapidly reconfigurable slow-light system based on off-resonant Raman absorption

Praveen K. Vudyasetu, Ryan M. Camacho, John C. Howell

We present a slow-light system based on dual Raman absorption resonances in warm rubidium vapor. Each Raman absorption resonance is produced by a control beam in an off-resonant $\ensuremath{\Lambda}$ system. This system combines all optical control of the Raman absorption and the low-dispersion broadening properties of the double Lorentzian absorption slow light. The bandwidth, group delay, and central frequency of the slow-light system can all be tuned dynamically by changing the properties of the control beam. We demonstrate multiple pulse delays with low distortion and show that such a system has fast switching dynamics and thus fast reconfiguration rates.

Physical Review A•Nov 9, 2010•3 citations

Towards single-photon switching via two-photon absorption in Rb vapour

Wasawo, Tabijah

•Feb 1, 2025•0 citations
Optical switching remains a key outstanding challenge for scalable photonic quantum computing due to the trade-off between speed, bandwidth, and loss. Quantum photonics demands all three to enable high computational clock rates and resource-efficient scaling to large systems. We present a cavity-based optical switch that overcomes this limitation, demonstrating a rise time of 22 ns, an insertion loss of 2.4 dB, and an extinction ratio of 17.5, which bridges the gap between speed and efficiency in photonic switching. All-optical control is achieved via phase modulation of a signal field detuned from the near-degenerate two-photon absorption ladder in warm rubidium vapor. The ultimate performance of our switch will find applications in active multiplexing, loop-based quantum memory, and feed-forward for quantum error-correction protocols.
Low-contrast all-optical Zeno switching has been demonstrated in a Si3{}_{3}3​N4{}_{4}4​ microdisk resonator coupled to warm atomic vapor. The device is based on the suppression of the resonant microcavity field buildup due to nondegenerate two-photon absorption. This experiment used one beam in a resonator and one in free space due to limitations related to device physics. These results suggest that a similar scheme with both beams resonant in the cavity would correspond to input power levels below 150 nW.
We present a slow-light system based on dual Raman absorption resonances in warm rubidium vapor. Each Raman absorption resonance is produced by a control beam in an off-resonant $\ensuremath{\Lambda}$ system. This system combines all optical control of the Raman absorption and the low-dispersion broadening properties of the double Lorentzian absorption slow light. The bandwidth, group delay, and central frequency of the slow-light system can all be tuned dynamically by changing the properties of the control beam. We demonstrate multiple pulse delays with low distortion and show that such a system has fast switching dynamics and thus fast reconfiguration rates.