Single photon nonlinear optics in photonic crystals

Dirk Englund; Ilya Fushman; Andrei Faraon; Jelena Vučković

doi:10.1117/12.809305

2 February 2009 Single photon nonlinear optics in photonic crystals

Dirk Englund, Ilya Fushman, Andrei Faraon, Jelena Vučković

Proceedings Volume 7225, Advanced Optical Concepts in Quantum Computing, Memory, and Communication II; 72250F (2009) https://doi.org/10.1117/12.809305
Event: SPIE OPTO: Integrated Optoelectronic Devices, 2009, San Jose, California, United States

Abstract

We coherently probe a quantum dot that is strongly coupled to a photonic crystal nano-cavity by scattering of a resonant laser beam. The coupled system's response is highly nonlinear as the quantum dot saturates with nearly one photon per cavity lifetime. This system enables large amplitude and phase shifts of a signal beam via a control beam, both at single photon levels. We demonstrate photon-photon interactions with short pulses in a system that is promising for ultra-low power switches and two-qubit quantum gates.

Citation Download Citation

Dirk Englund, Ilya Fushman, Andrei Faraon, and Jelena Vučković "Single photon nonlinear optics in photonic crystals", Proc. SPIE 7225, Advanced Optical Concepts in Quantum Computing, Memory, and Communication II, 72250F (2 February 2009); https://doi.org/10.1117/12.809305

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