Unidirectional lasing using loss management in a reciprocal fiber ring laser

Muhammad A. Arshad; Arni Pratiwi; Alexander Hartung; Matthias Jäger

doi:10.1117/12.2582086

5 March 2021 Unidirectional lasing using loss management in a reciprocal fiber ring laser

Muhammad A. Arshad, Arni Pratiwi, Alexander Hartung, Matthias Jäger

Proceedings Volume 11665, Fiber Lasers XVIII: Technology and Systems; 116651O (2021) https://doi.org/10.1117/12.2582086
Event: SPIE LASE, 2021, Online Only

Abstract

We report on the observation of a new phenomenon, occurring in a fiber ring laser. This phenomenon describes the transition from an initially bidirectional emission of a reciprocal fiber ring laser to a unidirectional emission at a certain pump power threshold. In addition, the final direction is not predefined but appears to be randomly chosen every time the threshold is exceeded. Therefore, we term this new phenomenon as direction instability. In addition we provide a first discussion of how the pump power threshold and the final direction can be influenced by the length and the loss of the cavity.

Conference Presentation

Citation Download Citation

Muhammad A. Arshad, Arni Pratiwi, Alexander Hartung, and Matthias Jäger "Unidirectional lasing using loss management in a reciprocal fiber ring laser", Proc. SPIE 11665, Fiber Lasers XVIII: Technology and Systems, 116651O (5 March 2021); https://doi.org/10.1117/12.2582086

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