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Optical Engineering

Novel technique for photon correlation measurements at high photon rates and resolutions
Author(s): Dimitar V. Stoyanov
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Paper Abstract

A novel technique for photon correlation measurements, based on the excitation of a resonant system by photon-detector single pulses, analog/digital sampling, and deconvolution, has been developed and analyzed experimentally and by computer simulations. The measured correlation function is expressed by a convolution of the true photon correlation function of the optical field and a well-defined, noiseless resonator correlation function. The effect of detector statistics is reduced to the contribution of two integral parameters—the total single-pulse charge and the jitter of single-pulse centers. Good performance of this technique is demonstrated at high photon rates and resolutions, where the well-known photon-counting or single-quantum methods are ineffective. The novel technique offers linear recording of photocount time series without dead-time effects. The temporal resolution is defined by the sampling step of the analog/digital converter. The retrieval error does not exceed 1 to 3% at count rates higher than 1 GHz and single-pulse durations larger than the resolution cell. This technique can be effectively applied in photon correlation measurements of high dynamic optical fields.

Paper Details

Date Published: 1 June 1997
PDF: 7 pages
Opt. Eng. 36(6) doi: 10.1117/1.601367
Published in: Optical Engineering Volume 36, Issue 6
Show Author Affiliations
Dimitar V. Stoyanov, Institute of Electronics (Bulgaria)

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