A unified approach to describe optical pulse generation by propagation of periodically phase-modulated CW laser light

Details A unified approach to describe optical pulse generation by propagation of periodically phase-modulated CW laser light A unified approach to describe optical pulse generation by propagation of periodically phase-modulated CW laser light

2006-03-10

arxiv.org/abs/physics/0603082v1

Physics

Optics

10 pages, 5 figures. Submitted to Optics Express

Scientific paper

10.1364/OE.14.003171

The analysis of optical pulse generation by phase modulation of narrowband continuous-wave light, and subsequent propagation through a group-delay-dispersion circuit, is usually performed in terms of the so-called bunching parameter. This heuristic approach does not provide theoretical support for the electrooptic flat-top-pulse generation reported recently. Here, we perform a waveform synthesis in terms of the Fresnel images of the periodically phase-modulated input light. In particular, we demonstrate flat-top-pulse generation with a duty ratio of 50% at a quarter of the Talbot condition for the sinusoidal phase modulation. Finally, we propose a binary modulation format to generate a well-defined square-wave-type optical bit pattern.

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