1986•Electronics LettersRequires access

Phase modulation to amplitude modulation conversion of CW laser light in optical fibres

A.R. Charaplyvy, R.W. Tkach, L. L. Buhl, R. C. Alferness

Abstract

We have measured the induced amplitude modulation of sinusoidally phase-modulated CW 1.5 μm laser light propagating in a single-mode fibre. Amplitude modulation approaching 100% was observed for light phase-modulated at 4 GHz and transmitted through 50 km of fibre. PM-AM conversion produces a power penalty in coherent transmission systems.

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Key concepts: Amplitude modulation, Optics, Modulation (music), Phase modulation, Analog transmission, Optical modulation amplitude, Pulse-amplitude modulation, Amplitude