22 February 2017 Selective generation of two pulse modes in a single all normal dispersion fiber laser oscillator and analysis of their optical characteristics
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Abstract
Fiber ultrafast pulses such as mode-locked and noise-like pulses have useful optical characteristics for high precision metrology applications. In this study, we develop an ytterbium doped fiber laser with all normal dispersion which can selectively generate two pulse modes, mode-locked and noise-like pulses, by a turn-key system including polarization control and selective detection parts. The spectral and temporal characteristics of two pulses generated from the single oscillator are analyzed and compared with each other through optical spectrum, RF spectrum and autocorrelation. Furthermore, spectral coherence characteristics are verified through interference signals generated by balanced and unbalanced arm interferometers.
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S. Kim, M. Choi, J. Y. Song, J. H. Lee, Y. Kim, "Selective generation of two pulse modes in a single all normal dispersion fiber laser oscillator and analysis of their optical characteristics", Proc. SPIE 10083, Fiber Lasers XIV: Technology and Systems, 100832B (22 February 2017); doi: 10.1117/12.2251757; https://doi.org/10.1117/12.2251757
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