2 December 2010 Bandpass filters based on cascaded long-period fiber gratings and its application in laser mode locking in normal dispersive regime
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Abstract
A new method of using a cascaded long-period fiber grating (CA-LPFG) as the spectral filter in the ytterbium-doped mode locking in the normal dispersive regime are proposed. The CA-LPFG was fabricated in a single mode fiber at wavelength of 1064nm using a CO2 laser based system. A stable mode-locking laser output at wavelength of 1034nm was observed and measured in the normal dispersive regime. In comparison with the conventional interference filters or fiber Bragg grating filters, the CA-LPFB can provide not only an all-fiber low-loss but also a transmission mode.
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Xiaojun Zhu, Dongfeng Liu, Chinhua Wang, Jing Ge, Guiju Zhang, "Bandpass filters based on cascaded long-period fiber gratings and its application in laser mode locking in normal dispersive regime", Proc. SPIE 7851, Information Optics and Optical Data Storage, 785118 (2 December 2010); doi: 10.1117/12.870414; https://doi.org/10.1117/12.870414
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