Abstract
A combined system to support simultaneous two way mutual pulse injection-seeding and active mode-locking schemes for wavelength tunable optical short pulse generation is presented. The system consists of two gain-switched Fabry-Pérot laser diodes, a bidirectional erbium-doped fiber amplifier, and a tunable optical filter and a coupler. The optical pulses generated exhibits a good stability, a high side-mode suppression ratio of more than 30 dB over a wide wavelength tuning range of 41 nm. The pulse width obtained is ~45 ps at the repetition frequency of around 2571.61 MHz.
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