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Self longitudinal-mode stabilisation in GaAs/(AlGa)As quantum-well lasers

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3 Author(s)
B. Garrett ; STC Technology Ltd, Harlow, UK ; I. H. White ; D. F. G. Gallagher

Single-longitudinal-mode operation of zero-order lateral mode quantum-well GaAs/(AlGa)As Fabry-Perot lasers has been found to occur over a very wide operating current range. Single-longitudinal-mode operation is very stable, typically allowing an increase in optical output power from 0 to >20mW/facet before mode-hopping occurs. The mode hop at ~23mW leads to bistable single-longitudinal-mode operation with a very large hysteresis loop.

Published in:

Electronics Letters  (Volume:23 ,  Issue: 22 )