Characterizing the parameters of ultra-short optical dissipative solitary pulses in the actively mode-locked semiconductor laser with an external fiber cavity

Alexandre S. Shcherbakov; Joaquin Campos Acosta; Pedro Moreno Zarate; Svetlana Mansurova; Yurij V. Il'in; Il'ya S. Tarasov

doi:10.1117/12.876707

22 September 2010 Characterizing the parameters of ultra-short optical dissipative solitary pulses in the actively mode-locked semiconductor laser with an external fiber cavity

Alexandre S. Shcherbakov, Joaquin Campos Acosta, Pedro Moreno Zarate, Svetlana Mansurova, Yurij V. Il'in, Il'ya S. Tarasov

Author Affiliations +

Proceedings Volume 7750, Photonics North 2010; 77501B (2010) https://doi.org/10.1117/12.876707
Event: Photonics North 2010, 2010, Niagara Falls, Canada

Abstract

We discuss specifically elaborated approach for characterizing the train-average parameters of low-power picosecond optical pulses with the frequency chirp, arranged in high-repetition-frequency trains, in both time and frequency domains. This approach had been previously applied to rather important case of pulse generation when a single-mode semiconductor heterolaser operates in a multi-pulse regime of the active mode-locking with an external single-mode fiber cavity. In fact, the trains of optical dissipative solitary pulses, which appear under a double balance between mutually compensating actions of dispersion and nonlinearity as well as gain and optical losses, are under characterization. However, in the contrast with the previous studies, now we touch an opportunity of describing two chirped optical pulses together. The main reason of involving just a pair of pulses is caused by the simplest opportunity for simulating the properties of just a sequence of pulses rather then an isolated pulse. However, this step leads to a set of specific difficulty inherent generally in applying joint time-frequency distributions to groups of signals and consisting in manifestation of various false signals or artefacts. This is why the joint Chio-Williams time-frequency distribution and the technique of smoothing are under preliminary consideration here.

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Alexandre S. Shcherbakov, Joaquin Campos Acosta, Pedro Moreno Zarate, Svetlana Mansurova, Yurij V. Il'in, and Il'ya S. Tarasov "Characterizing the parameters of ultra-short optical dissipative solitary pulses in the actively mode-locked semiconductor laser with an external fiber cavity", Proc. SPIE 7750, Photonics North 2010, 77501B (22 September 2010); https://doi.org/10.1117/12.876707

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