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Chromium single photon emitters in diamond fabricated by ion implantation

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arxiv 1001.4373 v1 pith:XDLEY7F7 submitted 2010-01-25 cond-mat.mtrl-sci quant-ph

Chromium single photon emitters in diamond fabricated by ion implantation

Igor Aharonovich , Stefania Castelletto , Brett C. Johnson , Jeffrey C. McCallum , David A. Simpson , Andrew D. Greentree , Steven Prawer This is my paper
classification cond-mat.mtrl-sci quant-ph
keywords chromiumphotonsinglebrightcentercontrolleddiamondemitters
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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Controlled fabrication and identification of bright single photon emitters is at the heart of quantum optics and materials science. Here we demonstrate a controlled engineering of a chromium bright single photon source in bulk diamond by ion implantation. The Cr center has fully polarized emission with a ZPL centered at 749 nm, FWHM of 4 nm, an extremely short lifetime of ~1 ns, and a count rate of 500 kcounts/s. By combining the polarization measurements and the vibronic spectra, a model of the center has been proposed consisting of one interstitial chromium atom with a transition dipole along one of the <100> directions.

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