Controllable photon source

Dániel Oszetzky, A. Nagy, Aladár Czitrovszky

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

We have developed our pervious experimental setup using correlated photon pairs (to the calibration of photo detectors) to realize a controllable photon source. For the generation of such photon pairs we use the non-linear process of parametric down conversion. When a photon of the pump beam is incident to a nonlinear crystal with phase matching condition, a pair of photons (signal and idler) is created at the same time with certain probability. We detect the photons in the signal beam with a single photon counting module (SPCM), while delaying those in the idler beam. Recently we have developed a fast electronic unit to control an optical shutter (a Pockels cell) placed to the optical output of the idler beam. When we detect a signal photon with the controlling electronic unit we are also able to open or close the fast optical shutter. Thus we can control which idler photons can propagate through the Pockels cell. So with this photon source we are able to program the number of photons in a certain time window. This controllable photon source that is able to generate a known number of photons with specified wavelength, direction, and polarization could be useful for applications in high-accuracy optical characterisation of photometric devices at the ultra-low intensities. This light source can also serve as a standard in testing of optical image intensifiers, night vision devices, and in the accurate measurement of spectral distribution of transmission and absorption in optical materials.

Original languageEnglish
Title of host publicationProceedings of SPIE - The International Society for Optical Engineering
Volume6372
DOIs
Publication statusPublished - 2006
EventAdvanced Photon Counting Techniques - Boston, MA, United States
Duration: Oct 1 2006Oct 3 2006

Other

OtherAdvanced Photon Counting Techniques
CountryUnited States
CityBoston, MA
Period10/1/0610/3/06

Fingerprint

Photons
photons
Optical shutters
shutters
Light sources
night vision
optical control
Phase matching
image intensifiers
Optical materials
optical materials
phase matching
cells
electronics
counting
light sources
modules
Pumps
Calibration
Polarization

Keywords

  • Correlated photon pairs
  • Parametric down conversion
  • Photon source
  • Quantum efficiency
  • Single photon counting module

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Condensed Matter Physics

Cite this

Oszetzky, D., Nagy, A., & Czitrovszky, A. (2006). Controllable photon source. In Proceedings of SPIE - The International Society for Optical Engineering (Vol. 6372). [637214] https://doi.org/10.1117/12.685999

Controllable photon source. / Oszetzky, Dániel; Nagy, A.; Czitrovszky, Aladár.

Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6372 2006. 637214.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Oszetzky, D, Nagy, A & Czitrovszky, A 2006, Controllable photon source. in Proceedings of SPIE - The International Society for Optical Engineering. vol. 6372, 637214, Advanced Photon Counting Techniques, Boston, MA, United States, 10/1/06. https://doi.org/10.1117/12.685999
Oszetzky D, Nagy A, Czitrovszky A. Controllable photon source. In Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6372. 2006. 637214 https://doi.org/10.1117/12.685999
Oszetzky, Dániel ; Nagy, A. ; Czitrovszky, Aladár. / Controllable photon source. Proceedings of SPIE - The International Society for Optical Engineering. Vol. 6372 2006.
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