Chinese Optics Letters, 2012, 10 (12): 120603, Published Online: Nov. 28, 2012
Cascaded PCF tapers for flat broadband supercontinuum generation 
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060.5295 Photonic crystal fibers 320.6629 Supercontinuum generation 060.4370 Nonlinear optics, fibers
Abstract
We report the fabrication of cascaded photonic crystal fiber (PCF) tapers in monolithic design. Flat broadband supercontinuum (SC) generation in cascaded PCF tapers pumped by sub-nanosecond pulses from a 1 064-nm microchip laser is demonstrated. The spectral width (20 dB) extends from 0.47 to 1.67 \mu m. In the optimal configuration, an ultraflat (3 dB) spectrum from 500 to 1 000 nm is achieved.
Haihuan Chen, Zilun Chen, Xuanfeng Zhou, Jing Hou. Cascaded PCF tapers for flat broadband supercontinuum generation[J]. Chinese Optics Letters, 2012, 10(12): 120603.
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