Improved catastrophic optical damage level from laser with nonabsorbing mirrors

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,...

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Bibliographic Details
Published inIEEE photonics technology letters Vol. 14; no. 10; pp. 1394 - 1396
Main Authors Walker, C.L., Bryce, A.C., Marsh, J.H.
Format Journal Article
LanguageEnglish
Published New York IEEE 01.10.2002
The Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subjects
Absorption
Crack opening displacement
Damage
Degradation
Destructive testing
Inspection
Laser modes
Lasers
Mirrors
Optical feedback
Optical pumping
Photonic band gap
Power lasers
Quantum well lasers
Ridges
Semiconductor lasers
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Summary: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.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1041-1135
1941-0174
DOI:10.1109/LPT.2002.802080