Efficient Single-Photon Sources Based on Low-Density Quantum Dots in Photonic-Crystal Nanocavities
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- 20 March 2006
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 96 (11) , 117401
- https://doi.org/10.1103/physrevlett.96.117401
Abstract
An efficient single-photon source based on low-density InGaAs quantum dots in a photonic-crystal nanocavity is demonstrated. The single-photon source features the effects of a photonic band gap, yielding a single-mode spontaneous emission coupling efficiency as high as and a linear polarization degree up to . This appealing performance makes it well suited for practical implementation of polarization-encoded schemes in quantum cryptography.
Keywords
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