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Title: Direct experimental observation of periodic intensity modulation along a straight hollow-core optical waveguide

Abstract

We report the direct observation of periodic intensity modulation of a laser pulse propagating in a hollow-core waveguide. A series of equally spaced plasma sparks along the gas-filled capillary is produced. This effect can be explained by the beating of different fiber modes, which are excited by controlling the size of the focal spot at the capillary entrance. As compared with an artificial modulated waveguide structure, our presented approach represents an easier and more flexible quasi-phase-matching scheme for nonlinear-optical frequency conversion.

Authors:
;  [1]
  1. Department of Physics, University of Texas at Austin, Austin, Texas 78712 (United States)
Publication Date:
OSTI Identifier:
20929675
Resource Type:
Journal Article
Resource Relation:
Journal Name: Journal of the Optical Society of America. Part B, Optical Physics; Journal Volume: 24; Journal Issue: 5; Other Information: DOI: 10.1364/JOSAB.24.001025; (c) 2007 Optical Society of America; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; CAPILLARIES; LASERS; MODULATION; NONLINEAR PROBLEMS; OPTICAL FIBERS; PERIODICITY; PLASMA; PULSES; WAVEGUIDES

Citation Formats

Pfeifer, T., and Downer, M. C.. Direct experimental observation of periodic intensity modulation along a straight hollow-core optical waveguide. United States: N. p., 2007. Web. doi:10.1364/JOSAB.24.001025.
Pfeifer, T., & Downer, M. C.. Direct experimental observation of periodic intensity modulation along a straight hollow-core optical waveguide. United States. doi:10.1364/JOSAB.24.001025.
Pfeifer, T., and Downer, M. C.. Tue . "Direct experimental observation of periodic intensity modulation along a straight hollow-core optical waveguide". United States. doi:10.1364/JOSAB.24.001025.
@article{osti_20929675,
title = {Direct experimental observation of periodic intensity modulation along a straight hollow-core optical waveguide},
author = {Pfeifer, T. and Downer, M. C.},
abstractNote = {We report the direct observation of periodic intensity modulation of a laser pulse propagating in a hollow-core waveguide. A series of equally spaced plasma sparks along the gas-filled capillary is produced. This effect can be explained by the beating of different fiber modes, which are excited by controlling the size of the focal spot at the capillary entrance. As compared with an artificial modulated waveguide structure, our presented approach represents an easier and more flexible quasi-phase-matching scheme for nonlinear-optical frequency conversion.},
doi = {10.1364/JOSAB.24.001025},
journal = {Journal of the Optical Society of America. Part B, Optical Physics},
number = 5,
volume = 24,
place = {United States},
year = {Tue May 15 00:00:00 EDT 2007},
month = {Tue May 15 00:00:00 EDT 2007}
}