TITLE

Picosecond pulse generation (<1.8 ps) in a quantum well laser by a gain switching method

AUTHOR(S)
Arakawa, Y.; Sogawa, T.; Nishioka, M.; Tanaka, M.; Sakaki, H.
PUB. DATE
October 1987
SOURCE
Applied Physics Letters;10/26/1987, Vol. 51 Issue 17, p1295
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A picosecond pulse (<1.8 ps) at 8570 Å is successfully generated by a gain switching method in an optically pumped GaAs/AlGaAs multiquantum well laser with a cavity length of 155 μm. This is the narrowest pulse width so far achieved in semiconductor lasers without the external cavity. We believe that this short pulse generation results from the enhanced differential gain due to the two-dimensional properties of the carriers in the quantum wells.
ACCESSION #
9824664

 

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