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Cavity quantum electrodynamics with Anderson-localized modes

Cavity quantum electrodynamics with Anderson-localized modes
Cavity quantum electrodynamics with Anderson-localized modes
A major challenge in quantum optics and quantum information technology is to enhance the interaction between single photons and single quantum emitters. This requires highly engineered optical cavities that are inherently sensitive to fabrication imperfections. We have demonstrated a fundamentally different approach in which disorder is used as a resource rather than a nuisance. We generated strongly confined Anderson-localized cavity modes by deliberately adding disorder to photonic crystal waveguides. The emission rate of a semiconductor quantum dot embedded in the waveguide was enhanced by a factor of 15 on resonance with the Anderson-localized mode, and 94% of the emitted single photons coupled to the mode. Disordered photonic media thus provide an efficient platform for quantum electrodynamics, offering an approach to inherently disorder-robust quantum information devices.
0036-8075
1352-1355
Sapienza, Luca
a2e0cf6c-1f22-4a5a-87a2-ffab0e24e6ac
Thyrrestrup, Henri
fefa8c20-0543-4960-b1c4-d12849c85019
Stobbe, Søren
04cd9149-9d60-4572-a60d-db0c509447b7
Garcia, Pedro David
c643b2a6-412f-4b97-b204-c284626ccd91
Smolka, Stephan
232597b9-9b8d-424b-8cc0-b805eea32401
Lodahl, Peter
773be58a-20ea-4927-b32a-d06b5b541c20
Sapienza, Luca
a2e0cf6c-1f22-4a5a-87a2-ffab0e24e6ac
Thyrrestrup, Henri
fefa8c20-0543-4960-b1c4-d12849c85019
Stobbe, Søren
04cd9149-9d60-4572-a60d-db0c509447b7
Garcia, Pedro David
c643b2a6-412f-4b97-b204-c284626ccd91
Smolka, Stephan
232597b9-9b8d-424b-8cc0-b805eea32401
Lodahl, Peter
773be58a-20ea-4927-b32a-d06b5b541c20

Sapienza, Luca, Thyrrestrup, Henri and Stobbe, Søren et al. (2010) Cavity quantum electrodynamics with Anderson-localized modes. Science, 327 (5971), 1352-1355. (doi:10.1126/science.1185080).

Record type: Article

Abstract

A major challenge in quantum optics and quantum information technology is to enhance the interaction between single photons and single quantum emitters. This requires highly engineered optical cavities that are inherently sensitive to fabrication imperfections. We have demonstrated a fundamentally different approach in which disorder is used as a resource rather than a nuisance. We generated strongly confined Anderson-localized cavity modes by deliberately adding disorder to photonic crystal waveguides. The emission rate of a semiconductor quantum dot embedded in the waveguide was enhanced by a factor of 15 on resonance with the Anderson-localized mode, and 94% of the emitted single photons coupled to the mode. Disordered photonic media thus provide an efficient platform for quantum electrodynamics, offering an approach to inherently disorder-robust quantum information devices.

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Published date: March 2010
Organisations: Quantum, Light & Matter Group

Identifiers

Local EPrints ID: 358597
URI: http://eprints.soton.ac.uk/id/eprint/358597
ISSN: 0036-8075
PURE UUID: 88f1c2a5-490e-4dc1-a33e-7bbea0c14f06

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Date deposited: 11 Oct 2013 13:21
Last modified: 02 Dec 2019 20:47

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