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Please use this identifier to cite or link to this item: http://hdl.handle.net/2262/37467

Title: Defect annealing in a II-VI laser diode structure under intense optical excitation
Author: DONEGAN, JOHN FRANCIS
MC CABE, EITHNE MARY
Author's Homepage: http://people.tcd.ie/jdonegan
http://people.tcd.ie/emccabe
Keywords: II-VI semiconductors
semiconductor lasers
annealing
photoluminescence
Issue Date: 1998
Citation: Jordan, C.; Fewer, D. T.; Donegan, J. F.; McCabe, E. M.; Huynh, A.; Logue, F. P.; Taniguchi, S.; Hino, T.; Nakano, K.; Ishibashi, A., Defect annealing in a II-VI laser diode structure under intense optical excitation, Applied Physical Letters, 72, 2, 1998, 194, 196
Series/Report no.: Applied Physical Letters
72
2
Abstract: Defect annealing under intense pulsed optical excitation has been observed in a II–VI laser diode structure at room temperature. More than one order of magnitude increase in photoluminescence intensity has been obtained when the annealed area is probed at low excitation intensity. High-resolution confocal photoluminescence images of the annealed region do not show any sign of degradation. Together, these results suggest that an initial density of intrinsic point defects present within the active region can be removed by the optical annealing. Recombination-enhanced defect reactions in the vicinity of the point defects are responsible for this nonthermal annealing effect.
Description: PUBLISHED
URI: http://dx.doi.org/10.1063/1.120682
http://hdl.handle.net/2262/37467
Appears in Collections:Physics (Scholarly Publications)

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