Ring-shaped active mode-locked tunable laser using quantum-dot semiconductor optical amplifier

Mingxiao Zhang; Yongjun Wang; Xinyu Liu

doi:10.1117/12.2314848

5 March 2018 Ring-shaped active mode-locked tunable laser using quantum-dot semiconductor optical amplifier

Mingxiao Zhang, Yongjun Wang, Xinyu Liu

Proceedings Volume 10710, Young Scientists Forum 2017; 107100T (2018) https://doi.org/10.1117/12.2314848
Event: Young Scientists Forum 2017, 2017, Shanghai, China

Abstract

In this paper, a lot of simulations has been done for ring-shaped active mode-locked lasers with quantum-dot semiconductor optical amplifier (QD-SOA). Based on the simulation model of QD-SOA, we discussed about the influence towards mode-locked waveform frequency and pulse caused by QD-SOA maximum mode peak gain, active layer loss coefficient, bias current, incident light pulse, fiber nonlinear coefficient. In the meantime, we also take the tunable performance of the laser into consideration. Results showed QD-SOA a better performance than original semiconductor optical amplifier (SOA) in recovery time, line width, and nonlinear coefficients, which makes it possible to output a locked-mode impulse that has a higher impulse power, narrower impulse width as well as the phase is more easily controlled. After a lot of simulations, this laser can realize a 20GHz better locked-mode output pulse after 200 loops, where the power is above 17.5mW, impulse width is less than 2.7ps, moreover, the tunable wavelength range is between 1540nm-1580nm.

Citation Download Citation

Mingxiao Zhang, Yongjun Wang, and Xinyu Liu "Ring-shaped active mode-locked tunable laser using quantum-dot semiconductor optical amplifier", Proc. SPIE 10710, Young Scientists Forum 2017, 107100T (5 March 2018); https://doi.org/10.1117/12.2314848

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