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Quantum-Well Lasers for High-Speed Optical Information Processing

Published online by Cambridge University Press:  21 February 2011

M. C. Wu ,
Y. K. Chen ,
T. Tanbun-Ek  and
R. A. Logan
M. C. Wu
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
Y. K. Chen
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
T. Tanbun-Ek
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
R. A. Logan
Affiliation:
AT&T Bell Laboratories, Murray Hill, NJ 07974
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Abstract

Monolithic colliding pulse mode-locked (CPM) multiple quantum well lasers generating optical pulses as short as 600 femtoseconds are reported. The CPM laser is built on a single chip of InGaAs/InGaAsP multiple quantum well laser. The pulse repetition rates are synchronized with an rf synthesizer up to 40 GHz in hybrid mode-locking scheme. In passive mode-locking scheme, a record high repetition rate of 350 GHz has been achieved. All the sub-picosecond pulses obtained have pulse shapes of sech2 and transform-limited timebandwidth products between 0.30 to 0.34. This new optical source is very useful for ultra-high speed optical switching and optical logic in optical fibers, and ultra-long distance optical soliton transmissions.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 228: Symposium N – Materials for Optical Information Processing , 1991 , 195
Copyright
Copyright © Materials Research Society 1992

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References

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