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Improved catastrophic optical damage level from laser with nonabsorbing mirrors

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3 Author(s)
Walker, C.L. ; Dept. of Electron. & Electr. Eng., Glasgow Univ., UK ; Bryce, A.C. ; Marsh, J.H.

The authors demonstrate an improved catastrophic optical damage (COD) level from a ridge laser with nonabsorbing mirrors (NAMs) fabricated by quantum well intermixing. Under destructive testing conditions, the COD level of the NAM laser was improved by a factor of 2.6 compared to the standard laser, attributed to reduced absorption induced facet degradation. Verification of the degradation mechanism was confirmed by inspection and removal of damaged facets.

Published in:

Photonics Technology Letters, IEEE  (Volume:14 ,  Issue: 10 )