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High Modulation Performance of a Designed InGaN Based 405 nm Multi-Quantum Well Violet Laser
Abstract
In this work, the modulation performance characteristics of a designed 405 nm InGaN based multi-quantum well (MQW) Violet Laser are optimized and presented by varying injection current and differential gain. A maximum output power of 222.53 mW and a maximum resonance frequency of 18.79 GHz of the laser are obtained for 117 mA injection current, where, the differential gain is 4x10-16cm2. The differential quantum efficiency of the laser is obtained as 67.02% and the maximum modulation bandwidth is obtained as 25.1 GHz which enhances the modulation performance of the designed laser for applications in optical storage and medical diagnostics.
Keywords
Output power, modulation bandwidth, MQW, violet laser
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