Zobrazeno 1 - 10
of 32
pro vyhledávání: '"Hamar, Martin"'
Publikováno v:
Phys. Rev. A 87, 022108 (2013)
Robust and reliable method for reconstructing quasi-distributions of integrated intensities of twin beams generated in spontaneous parametric down-conversion and entangled in photon numbers is suggested. It utilizes the first and second photocount mo
Externí odkaz:
http://arxiv.org/abs/1302.0156
Publikováno v:
Optics Letters 37, 2475 (2012)
A method for the determination of absolute quantum detection efficiency is suggested based on the measurement of photocount statistics of twin beams. The measured histograms of joint signal-idler photocount statistics allow to eliminate an additional
Externí odkaz:
http://arxiv.org/abs/1205.1969
Publikováno v:
Phys. Rev. A 85, 023816 (2012)
The measurement of photon-number statistics of fields composed of photon pairs, generated in spontaneous parametric down-conversion and detected by an intensified CCD camera is described. Final quantum detection efficiencies, electronic noises, finit
Externí odkaz:
http://arxiv.org/abs/1202.1437
Publikováno v:
Phys. Rev. A 81, (2010) 043827
Coherence properties of the down-converted beams generated in spontaneous parametric down-conversion are investigated in detail using an iCCD camera. Experimental results are compared with those from a theoretical model developed for pulsed pumping w
Externí odkaz:
http://arxiv.org/abs/1003.1249
Publikováno v:
J. Russ. Laser Res. 30 (2009) 540-546
Uncertainty in the determination of emission angles of signal and idler photons is investigated. The role of divergence of the pump beam, width of the pump spectrum, and size of the crystal is elucidated. Experimental data obtained by an iCCD camera
Externí odkaz:
http://arxiv.org/abs/0912.1543
Publikováno v:
J. Opt. B: Quantum Semiclass. Opt. 7, S572 (2005)
The measurement of joint signal-idler photon-number distribution of a field obtained from spontaneous parametric downconversion using an intensified CCD camera is presented. It is shown that a classicality criterion is violated directly by the measur
Externí odkaz:
http://arxiv.org/abs/0708.2241
Publikováno v:
Physical Review A 71, 033815 (2005)
Correlations in twin beams composed of many photon pairs are studied using an intensified CCD camera. Joint signal-idler photon-number distribution and quantum phase-space quasi-distributions determined from experimental data have nonclassical featur
Externí odkaz:
http://arxiv.org/abs/quant-ph/0405118
Publikováno v:
Eur. Phys. J. D 28, 149 (2004)
A multichannel detector has been constructed using a single avalanche photodiode and a fiber-loop delay line. Detection probabilities of the channels can be set using a variable-ratio coupler. The performance of the detector is demonstrated on its ca
Externí odkaz:
http://arxiv.org/abs/quant-ph/0302154
