Abstract
Digital pulse modulation of strongly injection-locked whistle-geometry semiconductor ring lasers is investigated. Specifically, we address the problem of optical output signal distortion due to transient behavior of the laser in response to picosecond input pulses of injection current. Pulse modulation of a 2-μm-diameter strongly injection-locked whistlegeometry ring laser with up to 50 GHz repetition rate and substantially suppressed transient emission tails is demonstrated in numerical modeling for a sequence of triangular injection current pulses of picosecond duration.
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