Mechanism of stability enhancement of passively harmonic mode-locked erbium doped fiber ring laser by passively modulating the saturable absorber's loss and the amplifier's gain depletion at high frequency

Ionut Romeo Şchiopu; Paul Şchiopu

doi:10.1117/12.882279

3 December 2010 Mechanism of stability enhancement of passively harmonic mode-locked erbium doped fiber ring laser by passively modulating the saturable absorber's loss and the amplifier's gain depletion at high frequency

Ionut Romeo Şchiopu, Paul Şchiopu

Author Affiliations +

Proceedings Volume 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V; 78210C (2010) https://doi.org/10.1117/12.882279
Event: Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies, 2010, Constanta, Romania

Abstract

After many experimental investigations of passive harmonic mode-locking erbium doped fiber ring laser cavity, we have observed some new typical characteristics of the solitons and we propose here a circular cavity laser where a high frequency cavity transmission modulation is possible by sending a reflected pulse into the cavity, in the opposite direction to the direct pulse. The pre-saturation of the absorber and the gain depletion at the optimum frequency, superposed on the natural effect of harmonic state, determine a stable harmonic solitonic state. In this mode we can better estimate the importance of the role of unstable continuous waves and of gain recovery in forming a stable equidistant multisoliton state.

Citation Download Citation

Ionut Romeo Şchiopu and Paul Şchiopu "Mechanism of stability enhancement of passively harmonic mode-locked erbium doped fiber ring laser by passively modulating the saturable absorber's loss and the amplifier's gain depletion at high frequency", Proc. SPIE 7821, Advanced Topics in Optoelectronics, Microelectronics, and Nanotechnologies V, 78210C (3 December 2010); https://doi.org/10.1117/12.882279

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