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Coherent generation of nonclassical light on chip via detuned photon blockade
Müller, K Rundquist, A Fischer, KA Sarmiento, T Lagoudakis, KG Kelaita, YA Sánchez Muñoz, C Del Valle, E Laussy, FP Vučković, J
Müller, K
Rundquist, A
Fischer, KA
Sarmiento, T
Lagoudakis, KG
Kelaita, YA
Sánchez Muñoz, C
Del Valle, E
Laussy, FP
Vučković, J
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2015-06-08
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Abstract
© 2015 American Physical Society. The on-chip generation of nonclassical states of light is a key requirement for future optical quantum hardware. In solid-state cavity quantum electrodynamics, such nonclassical light can be generated from self-assembled quantum dots strongly coupled to photonic crystal cavities. Their anharmonic strong light-matter interaction results in large optical nonlinearities at the single photon level, where the admission of a single photon into the cavity may enhance (photon tunneling) or diminish (photon blockade) the probability for a second photon to enter the cavity. Here, we demonstrate that detuning the cavity and quantum-dot resonances enables the generation of high-purity nonclassical light from strongly coupled systems. For specific detunings we show that not only the purity but also the efficiency of single-photon generation increases significantly, making high-quality single-photon generation by photon blockade possible with current state-of-the-art samples.
Citation
Müller, K., Rundquist, A., Fischer, K. A., Sarmiento, T., Lagoudakis, K. G., Kelaita, Y. A., Sánchez Muñoz, C., del Valle, E., Laussy, F. P. and Vučković, J. (2015) Coherent generation of nonclassical light on chip via detuned photon blockade, Physical Review Letters, 114, 233601.
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PubMed ID
26196801
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Journal article
Language
en
Description
This is an accepted manuscript of an article published by APS in Physical Review Letters on 08/06/2015, available online: https://doi.org/10.1103/PhysRevLett.114.233601
The accepted version of the publication may differ from the final published version.
Series/Report no.
ISSN
0031-9007
EISSN
1079-7114