On-chip single photon emission from an integrated semiconductor quantum dot into a photonic crystal waveguide

Details On-chip single photon emission from an integrated semiconductor quantum dot into a photonic crystal waveguide On-chip single photon emission from an integrated semiconductor quantum dot into a photonic crystal waveguide

2012-01-17

arxiv.org/abs/1201.3475v1

Appl. Phys. Lett. 99, 261108 (2011)

Physics

Condensed Matter

Mesoscale and Nanoscale Physics

13 pages, 3 figures

Scientific paper

10.1063/1.3672214

We demonstrate the in-plane emission of highly-polarized single photons from an InAs quantum dot embedded into a photonic crystal waveguide. The spontaneous emission rates are Purcell-enhanced by the coupling of the quantum dot to a slow-light mode of the waveguide. Photon-correlation measurements confirm the sub-Poissonian statistics of the in-plane emission. Under optical pulse excitation, single photon emission rates of up to 19 MHz into the guided mode are demonstrated, which corresponds to a device efficiency of 24%. These results herald the monolithic integration of sources in photonic quantum circuits.

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