Low noise performance of passively mode locked quantum-dash-based lasers under external optical feedback
We report on a systematic investigation of the effect of external optical feedback on 17 GHz
passively mode-locked two-section lasers based on InAs/InP quantum dashes emitting at
1.58 μ m. Narrowing of mode-beating linewidth down to a record value of∼ 500 Hz is
demonstrated over a large operating range.
passively mode-locked two-section lasers based on InAs/InP quantum dashes emitting at
1.58 μ m. Narrowing of mode-beating linewidth down to a record value of∼ 500 Hz is
demonstrated over a large operating range.
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