Journal
OPTICS EXPRESS
Volume 21, Issue 10, Pages 12843-12848Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.21.012843
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Funding
- National Nature Science Fund [11104079, 10990101, 61127014, 91021014]
- National Key Scientific Instrument Project [2011YQ150072]
- Program of Introducing Talents of Discipline to Universities [B12024]
- Sino-German Science Center Project [GZ673]
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We report on a novel method to fabricate single, multiple and large-area high-density ensembles of nitrogen vacancy (NV) color centers in synthetic type Ib bulk diamond by femtosecond laser illumination. Electron beams generated in propagation of intense infrared laser pulses in air sputtered on a diamond sample under high temperature aroused by the laser illumination, creating NV color centers. Typical photoluminescence (PL) spectra of NV centers could be observed on the illuminated spots. Photon streams from individual photoluminescent points exhibited anti-bunching effect by the second-order correlation measurement, evidencing single and multiple photon-emitters around the laser illuminated spots. (C) 2013 Optical Society of America
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