Superluminescent diode excitation of femtosecond accumulated photon echoes
- 1 May 1991
- journal article
- Published by Optica Publishing Group in Journal of the Optical Society of America B
- Vol. 8 (5) , 1093-1097
- https://doi.org/10.1364/josab.8.001093
Abstract
Using a superluminescent diode, we observed femtosecond accumulated photon echoes in 1,1′-diethyl-4,4′-quinodicarbocyanine iodide embedded in polyvinyl acetate. The output of the superluminescent diode directly excited the sample to produce photon echoes. By using a simple experimental system we obtained a temporal resolution as high as 100 fsec. This resolution is determined by the spectral width of the superluminescent diode and the noncollinear excitation beam configuration of the system.Keywords
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