On-chip manipulation of single photons from a diamond defect

Phys Rev Lett. 2013 Nov 22;111(21):213603. doi: 10.1103/PhysRevLett.111.213603. Epub 2013 Nov 20.

Abstract

Operating reconfigurable quantum circuits with single photon sources is a key goal of photonic quantum information science and technology. We use an integrated waveguide device containing directional couplers and a reconfigurable thermal phase controller to manipulate single photons emitted from a chromium related color center in diamond. Observation of both a wavelike interference pattern and particlelike sub-Poissionian autocorrelation functions demonstrates coherent manipulation of single photons emitted from the chromium related center and verifies wave particle duality.