Self-homodyne-enabled generation of indistinguishable photons

Müller, Kai and Fischer, Kevin A. and Dory, Constantin and Sarmiento, Tomas and Lagoudakis, Konstantinos G. and Rundquist, Armand and Kelaita, Yousif A. and Vučković, Jelena (2016) Self-homodyne-enabled generation of indistinguishable photons. Optica, 3 (9). pp. 931-936. ISSN 1899-7015 (

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The rapid generation of non-classical light serves as the foundation for exploring quantum optics and developing applications such as secure communications or the generation of NOON states. While strongly coupled quantum dot-photonic crystal resonator systems have great potential as non-classical light sources due to their promise of tailored output statistics, the generation of indistinguishable photons has been obscured due to the strongly dissipative nature of such systems. Here, we demonstrate that the recently discovered self-homodyne suppression technique can be used to overcome this limitation and tune the quantum statistics of transmitted light, achieving indistinguishable photon emission competitive with state-of-the-art metrics. Furthermore, our nanocavity-based platform directly lends itself to scalable on-chip architectures for quantum information.