Designing a special light source with a pre-determined number of photons

Daniel Oszetzky; Aladar Czitrovszky; Alexander V. Sergienko

doi:10.1117/12.506697

3 February 2004 Designing a special light source with predetermined number of photons

Daniel Oszetzky, Aladar Czitrovszky, Alexander V. Sergienko

Proceedings Volume 5161, Quantum Communications and Quantum Imaging; (2004) https://doi.org/10.1117/12.506697
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

We designed a special light source generating a pre-determined number of photons taking advantage of our previous experimental results and calculations that establish a new approach to the calibration of photodetectors and determination of the absolute value of quantum efficiency of photon-counting photomultipliers using a single detector and entangled-photon pairs. This source is capable of generating a known number of photons of specified wavelength, in specified direction, and polarization for high-accuracy optical measurements (optical metrology) at the ultra-low intensities. The design and the modeling have been performed taking into account the main time characteristics of electronics, efficiency of detectors, parameters of the signal, losses, etc. The data evaluation system has been designed and tested; the assembly of the experimental set-up has been performed. Main parts of the optical and electronic system (generation of photon pairs, detectors, Pockels cells, etc.) have been tested. Such light source can be successfully applied in different areas of optical metrology, especially in photometry.

Citation Download Citation

Daniel Oszetzky, Aladar Czitrovszky, and Alexander V. Sergienko "Designing a special light source with predetermined number of photons", Proc. SPIE 5161, Quantum Communications and Quantum Imaging, (3 February 2004); https://doi.org/10.1117/12.506697

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