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Wideband supercontinuum generation in tapered tellurite microstructured fibers |
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| Authors: | Qin G S Yan X Liao M Mori A Suzuki T Ohishi Y |
| Institution: | 1.Research Center for Advanced Photon Technology, Toyota Technological Institute, 2-12-1 Hisakata, Tempaku, Nagoya, 468-8511, Japan ;2.State Key Laboratory on Integrated Optoelectronics, College of Electronic Science and Engineering, Jilin University, Changchun, 130012, China ;3.NTT Photonics Laboratories, 3-1 Morinosato, Wakamiya, Atsugi, 243-0198, Japan ; |
| Abstract: | Enhanced soliton trapping of dispersive waves in a tapered tellurite microstructured fiber pumped by a 1556 nm femtosecond fiber laser is demonstrated. The short wavelength edge of supercontinuum light is extended from 960 to 600 nm after tapering the tellurite microstructured fiber, which is caused by the enhanced soliton trapping of dispersive waves owing to the changing group velocities in tapered fibers. Wide-band supercontinuum light source spanning from 600 to >2400 nm is generated in tapered tellurite micro-structured fibers. Our experimental and simulated results show that short length (several centimeters) zero-dispersion-wave length decreasing highly nonlinear fiber has a potential for generating wideband supercontinuum light source expanding from visible to mid-infrared region. |
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