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Two-Photon Blockade in an Atom-Driven Cavity QED System

Open access
Hamsen, Christoph, Tolazzi, Karl Nicolas, Wilk, Tatjana, Rempe, Gerhard·2017·Physical Review Letters

Abstract

Photon blockade is a dynamical quantum-nonlinear effect in driven systems with an anharmonic energy ladder. For a single atom strongly coupled to an optical cavity, we show that atom driving gives a decisively larger optical nonlinearity than cavity driving. This enhances single-photon blockade and allows for the implementation of two-photon blockade where the absorption of two photons suppresses the absorption of further photons. As a signature, we report on three-photon antibunching with simultaneous two-photon bunching observed in the light emitted from the cavity. Our experiment constitutes a significant step towards multiphoton quantum-nonlinear optics.

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Metadata

Authors
Hamsen, C., Tolazzi, K. N., Wilk, T., & Rempe, G.
Venue
Physical Review Letters
Published
2017-03-31
Volume
118
Issue
13
Pages
133604-133604
ISSN
  • 0031-9007 (ISSN-L)
  • 1079-7114
OpenAlex
W2479250386
Cited by
293
References
2
FWCI
11.87
Type
journal article
Language
en
Open access
green

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CoChat. (2026). Citation check: Two-Photon Blockade in an Atom-Driven Cavity QED System. https://app.cochat.ai/papers/10.1103/physrevlett.118.133604
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Hamsen, C., Tolazzi, K. N., Wilk, T., & Rempe, G. (2017). Two-Photon Blockade in an Atom-Driven Cavity QED System. Physical Review Letters. https://doi.org/10.1103/physrevlett.118.133604

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