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Proceedings Paper

Generation Of Sub-Picosecond Pulses From Mode Locked Algaas Semiconductor Lasers
Author(s): J. P. van der Ziel
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Paper Abstract

The pulse widths obtained from AlGaAs lasers have been reduced to the subpicosecond regime by passive and active mode locking of AlGaAs lasers containing a region of saturable absorption in an external cavity. Bursts of 4 pulses each of 0.65 psec long and separated by the 11 psec round trip time through the laser have been obtained by passive mode locking using a linear external cavity. By inserting a bandwidth limiting element in the cavity, the pulse width increased to ~ 20 psec. The widths obtained are in reasonable agreement with a theoretical model and correspond to dispersion and bandwidth limited propagation, respectively. Pulses as short as 0.56 psec have been obtained by the colliding pulse technique using a ring geometry external cavity.

Paper Details

Date Published: 28 November 1983
PDF: 7 pages
Proc. SPIE 0439, Picosecond Optoelectronics, (28 November 1983); doi: 10.1117/12.966072
Show Author Affiliations
J. P. van der Ziel

Published in SPIE Proceedings Vol. 0439:
Picosecond Optoelectronics
Gerard A. Mourou, Editor(s)

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