The Effect of Sampling-Pulse Pedestals on Temporal Resolution in Electro-Optic Sampling

Makoto YAITA  Tadao NAGATSUMA  

Publication
IEICE TRANSACTIONS on Electronics   Vol.E81-C   No.2   pp.254-259
Publication Date: 1998/02/25
Online ISSN: 
DOI: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Ultrashort Optical Pulse Technologies and their Applications)
Category: Femtosecond Pulse Compression, Amplification and Manipulation
Keyword: 
EO sampling,  pulse pedestal,  adiabatic soliton compression,  dispersion decreasing fiber,  laser diode,  gain switching,  

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Summary: 
The effect of sampling-pulse pedestals, generated by pulse compression, on the temporal resolution in electro-optic (EO) sampling is studied both theoretically and experimentally. Analysis is made on how the pedestals degrade a measurement bandwidth and a temporal waveform. Based on the analysis, a practical guideline on the suppression of pedestals is also given. Gain-switched laser diode (LD) pulses adiabatically soliton-compressed using a dispersion decreasing fiber are used to confirm the theoretical results, and are successfully applied to high-temporal-resolution (>100 GHz) EO sampling measurements.