Abstract

The authors study experimentally the recovery of an actively harmonically mode-locked fiber laser from pulse dropout. Four pulses out of a pulse train of 640 pulses were dropped. The recovery of the pulses that were dropped was studied over a time period of up to 32 ms with a time resolution on the order of a few picoseconds. The authors show that in the optimal operating region, pulses that are dropped can quickly regenerate. However, when the laser power is insufficient, the probability of a pulse that was dropped to recover is small. When the laser power is high enough, the authors experimentally observed the generation of a pulse pair in a single time slot. The experimental results are in a good quantitative agreement with a comprehensive numerical simulation of the laser.

© 2006 IEEE

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Electron. Lett. (2)

M. Nakazawa, E. Yoshida, Y. Kimura, "Ultrastable harmonically and regeneratively modelocked polarization-maintaining erbium fiber ring laser," Electron. Lett. 30, 1603-1605 (1994).

X. Shan, D. M. Spirit, "Novel method to suppress noise in harmonically modelocked erbium fiber lasers," Electron. Lett. 29, 979-981 (1993).

IEEE J. Quantum Electron. (1)

A. Zeitouny, Y. Parkhomenko, M. Horowitz, "Stable operating region in a harmonically-actively mode-locked fiber laser," IEEE J. Quantum Electron. 41, 1380-1387 (2005).

IEEE. J. Quantum Electron. (1)

M. E. Grein, H. A. Haus, Y. Chen, E. P. Ippen, "Quantum-limited timing jitter in actively modelocked lasers," IEEE. J. Quantum Electron. 40, 1458-1470 (2004).

J. Lightw. Technol. (1)

M. Horowitz, C. R. Menyuk, T. F. Carruthers, I. N. Duling, III"Theoretical and experimental study of harmonically modelocked fiber lasers for optical communication systems," J. Lightw. Technol. 18, 1565-1574 (2000).

Opt. Express (1)

Opt. Lett. (2)

Other (1)

G. F. Franklin, J. D. Powell, A. Emami-Naeini, Feedback Control of Dynamic Systems (Prentice-Hall, 2002).

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