Title

Measuring The Phase Of Spatially Coherent Polychromatic Fields

Abstract

Realistic optical fields are never completely monochromatic and the interpretation of the concept of phase is not straightforward. It has been pointed out by Wolf that, if a strict condition of spatial coherence is imposed, the statistically averaged behavior of a polychromatic field can be described by an associated monochromatic wave. We show that, for spatially coherent polychromatic optical fields, the measurement of the phase of the second-order correlations determines the phase of this associated, spatially coherent field. We verify this prediction using a novel interferometric technique for measuring the cross-spectral density of a steady-state optical field. © 2002 The American Physical Society.

Publication Date

1-1-2002

Publication Title

Physical Review Letters

Volume

89

Issue

24

Document Type

Article

Personal Identifier

scopus

DOI Link

https://doi.org/10.1103/PhysRevLett.89.243902

Socpus ID

4243910609 (Scopus)

Source API URL

https://api.elsevier.com/content/abstract/scopus_id/4243910609

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