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Filamentation instability in a semiconductor laser

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2 Author(s)
Amrita, ; Centre for Energy Studies, Indian Institute of Technology, Delhi, New Delhi, 110016, India ; Sharma, A.K.

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In a semiconductor laser, a perturbation in the laser intensity, transverse to the direction of laser propagation, has a tendency to grow. The regions of higher intensity cause higher stimulated emission via electron–hole recombination, hence the electron density falls and gives rise to a higher refractive index. This region attracts power from neighbors causing growth of intensity perturbation. © 2003 American Institute of Physics.

Published in:

Journal of Applied Physics  (Volume:94 ,  Issue: 1 )