Homodyne detection for measuring internal quantum correlations of optical pulses
- 1 February 1997
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review A
- Vol. 55 (2) , 1416-1422
- https://doi.org/10.1103/physreva.55.1416
Abstract
A method is described for determining the quantum correlations at different times in optical pulses by using balanced homodyne detection. The signal pulse and sequences of ultrashort test pulses (local oscillators) are superimposed, where for chosen distances between the test pulses their relative phases and intensities are varied from measurement to measurement. The correlation statistics of the signal pulse is obtained from the time-integrated difference photocurrents measured.Keywords
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