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Role of Implantation-Induced Defects on the Response Time of Semiconductor Saturable Absorbers

Jagadish, Chennupati; Lederer, Maximilian; Luther-Davies, Barry; Zou, Jin; Cockayne, David John Hugh; Haiml, M; Siegner, U; Keller, U; Tan, Hark Hoe


To shorten the response times of GaAs-based saturable absorber structures, arsenic ion implantation with thermal annealing was employed. Results showed that both the concentration and type of residual defects determines the ultimate shortening of the carrier lifetime. To eliminate amorphization, poor recrystallization and polycrystalline layers after annealing, high implantation doses should be avoided since the response time is increased under these conditions.

CollectionsANU Research Publications
Date published: 1999
Type: Journal article
Source: Applied Physics Letters


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