quantumdashmode-locked lasers. Simultaneous CW injection-locking and selective optical feedback lead to ≈ 50 times RF linewidth and 1.5 times time-bandwidth product reduction. … In this paper, we experimentally demonstrate stabilization of a two-section QDMLL using simultaneous optical injection and optical feedback to reduce both the non-optimum RF linewidth and time-bandwidth product of the laser. This scheme would not seem straight …
Abstract
We demonstrate narrow pulses with low RF linewidth from two-section InP quantum-dash mode-locked lasers. Simultaneous CW injection-locking and selective optical feedback lead to≈ 50 times RF linewidth and 1.5 times time-bandwidth product reduction.