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We investigate the amplitude and phase noise of an optical frequency comb based on InAs/InP quantum-dash mode-locked laser. The laser demonstrates low relative intensity noise (< −125 dB/Hz) and phase noise in the passive mode-locking regime. By actively mode-locking the laser, we observe a reduction in the flicker FM noise and timing jitter, as a result of which the optical linewidth decreases,...
We investigate the amplitude and phase noise of an optical frequency comb based on InAs/InP Quantum-dash (Qdash) mode-locked laser (MLL). The laser demonstrates low relative intensity noise (RIN) and phase noise in the passive regime. By actively mode-locking the laser, we observe a reduction in the 1/f phase noise and timing jitter, as a result of which the optical linewidth decreases. Owing to such...
We propose a simple potentially integrable configuration for expanding a wavelength tunable comb by cascading gain switched Fabry-Pérot lasers. A 10GHz spaced comb, exhibiting 13 coherent low-linewidth tones within a 3 dB window, and tunable over 20 nm is demonstrated.
We demonstrate a simple method of flexible optical frequency comb generation by gain switching an externally injected DFB laser. The FSR tunability from 25-33GHz renders this transmitter as a potential source for >100Gb/s optical networks.
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