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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 present results on InAs/InP quantum dash based broad area and ridge-waveguide lasers with emission wavelength up to 2 um. In addition a simulation-based design for laterally coupled DFB/DBR lasers is discussed, and the optimization of the processing steps for the realization of this design is presented. The design is fully compatible with readily available processing techniques and enables sufficiently...
In this letter, we demonstrate a colorless reflective amplified modulator operating within the C- and L-band spectral ranges with the modulation data rate up to 40 Gb/s. We obtain a stable, open eye performance of the device at the temperature until 85 . The presented device is fabricated using an indium phosphide (InP) monolithic integration platform, which relies on an AlGaInAs quantum...
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