D L Boiko et al 2009 New J. Phys. 11 013001 doi:10.1088/1367-2630/11/1/013001
A quantum imager for intensity correlated photons
D L Boiko1,2,6, N J Gunther3, N Brauer1, M Sergio1, C Niclass1, G B Beretta4 and E Charbon1,5
Show affiliationsWe report on a device capable of imaging second-order spatio-temporal correlations g(2)(x, τ) between photons. The imager is based on a monolithic array of single-photon avalanche diodes (SPADs) implemented in CMOS technology and a simple algorithm to treat multiphoton time-of-arrival distributions from different SPAD pairs. It is capable of 80 ps temporal resolution with fluxes as low as 10 photons s−1 at room temperature. An important application might be the local imaging of g(2) as a means of confirming the presence of true Bose–Einstein macroscopic coherence (BEC) of cavity exciton polaritons.
- PACS
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85.60.Dw Photodiodes; phototransistors; photoresistors
85.60.Gz Photodetectors (including infrared and CCD detectors)
- Subjects
- Dates
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Issue 1 (January 2009)
Received 4 September 2008
Published 7 January 2009
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A quantum imager for intensity correlated photons
D L Boiko et al 2009 New J. Phys. 11 013001
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