, Volume 21, Issue 4, pp 425-428
Date: 23 Jul 2014

RF spectral modulation caused by delayed interference and photodetection of optical noise

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Abstract

We demonstrate that an RF spectral fringe appears when a nonpolarized optical noise and its delayed replica are combined and photo-detected without any polarization control. A theoretical analysis explains the visibility of the fringe and its insensitivity to polarization.