QUANTUM OPTICS

Getting single photons on the right track

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Science  31 May 2019:
Vol. 364, Issue 6443, pp. 847-848
DOI: 10.1126/science.364.6443.847-f

As the field of quantum optics moves from the optical bench to more practical on-chip platforms for the development of quantum-based technologies, methods are required for the controlled propagation of single photons within an integrated optical circuit. Papon et al. demonstrate an effective nano-opto-electromechanical approach that can route single photons generated from an on-chip quantum emitter between two coupled waveguides robustly and quickly when their separation is controlled by application of a voltage bias. Such controlled manipulation presents an essential building block for developing advanced quantum optical circuits and networks.

Optica 6, 524 (2019).

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