All-optical switching based on inverse Raman scattering in liquid-core optical fibers
Author(s) -
Khanh Kieu,
L. Schneebeli,
E. Merzlyak,
Joel M. Hales,
A. DeSimone,
Joseph W. Perry,
Robert A. Norwood,
N. Peyghambarian
Publication year - 2012
Publication title -
optics letters
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.524
H-Index - 272
eISSN - 1071-2763
pISSN - 0146-9592
DOI - 10.1364/ol.37.000942
Subject(s) - materials science , raman spectroscopy , raman scattering , optics , optical fiber , optical power , optoelectronics , core (optical fiber) , physics , laser , composite material
We report on a new platform for all-optical switching based on inverse Raman scattering in liquids. Narrowband switching, which could be suitable for wavelength-division-multiplexed applications, is demonstrated using integrated liquid-core optical fiber infiltrated with both neat liquids (CCl(4) and CS(2)) as well as an organic chromophore (β-carotene) dissolved in CCl(4). Compared to standard glass optical fibers, these liquids have much larger Raman loss coefficients, which help reduce the pump power by at least an order of magnitude. Further improvements can be expected with the development of highly soluble organic compounds possessing large Raman cross sections.
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