Optical sampling system at 1.5 µm using twophotonabsorption in Si avalanche photodiode
- 25 June 1998
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 34 (13) , 1354-1355
- https://doi.org/10.1049/el:19980936
Abstract
A highly sensitive optical sampling system at 1.5 µm is described, in which an Si avalanche photodiode is used as a two photon absorber for the cross-correlation measurement of optical pulse shapes. The sampling pulse is generated from a passively and actively modelocked external-cavity semiconductor laser with a repetition rate of 10 GHz, and 2 ps temporal resolution is achieved.Keywords
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