Long optically controlled delays in optical fibers

Optically controlled delay lines in optical fibers are demonstrated by use of the group-velocity control of signal pulses based on stimulated Brillouin scattering. We achieve continuous time delay within the range of 150 ns, much larger than the width of the 40 ns signal pulse, using cascaded fiber segments joined by unidirectional optical attenuators. In the meantime, we also observe a large amount of pulse broadening, which agrees well with a theoretical prediction based on linear theory. © 2005 Optical Society of America.


Published in:
Optics Letters, 30, 14, 1782-1784
Year:
2005
Publisher:
Optical Society of America
ISSN:
0146-9592
Keywords:
Note:
Nanophotonics and Metrology Laboratory, Ecole Polytechnique Federale de Lausanne, CH-1015 Lausanne, Switzerland, Compilation and indexing terms, Copyright 2008 Elsevier Inc., 05339295037, 0146-9592, Optically controlled delay lines, Stimulated Brillouin scattering, Time delay, Anti-Stokes waves
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 Record created 2008-09-29, last modified 2018-12-03

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