11 March 2014 Effect of mode locking technique on the filtering bandwidth limitation in all normal dispersion femtosecond fiber laser
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Abstract
The dependence of the filtering bandwidth on the mode locking technique was studied in details in two types of mode locked fiber laser cavities; one utilizes SESAM, while the other employs NPE. The results show that for the two cases, below certain value of filtering bandwidth, no mode locking can be observed and the cavities will be in a lossy region. Moreover, NPE-based all fiber cavities can support narrower spectral bandwidth compared to SESAM-based cavities. Hence, NPE-based cavities produce shorter pulse width than SESAM-based ones. Experimental investigation was carried out to verify our simulation results and good agreement was achieved.
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Hussein E. Kotb, Hussein E. Kotb, Mohamed A. Abdelalim, Mohamed A. Abdelalim, Hanan Anis, Hanan Anis, } "Effect of mode locking technique on the filtering bandwidth limitation in all normal dispersion femtosecond fiber laser", Proc. SPIE 8961, Fiber Lasers XI: Technology, Systems, and Applications, 89613A (11 March 2014); doi: 10.1117/12.2038248; https://doi.org/10.1117/12.2038248
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