Mid-infrared supercontinuum generation in a suspended-core As2S3 chalcogenide microstructured optical fiber

被引：151

作者：

Gao, Weiqing ^{[1
]}

El Amraoui, Mohammed ^{[2
]}

Liao, Meisong ^{[1
]}

Kawashima, Hiroyasu ^{[1
]}

Duan, Zhongchao ^{[1
]}

Deng, Dinghuan ^{[1
]}

Cheng, Tonglei ^{[1
]}

Suzuki, Takenobu ^{[1
]}

Messaddeq, Younes ^{[2
]}

Ohishi, Yasutake ^{[1
]}

机构：

[1] Toyota Technol Inst, Res Ctr Adv Photon Technol, Tempaku Ku, Nagoya, Aichi 4688511, Japan

[2] Univ Laval, Ctr Opt Photon & Laser, Quebec City, PQ G1K 7P4, Canada

来源：

OPTICS EXPRESS | 2013年 / 21卷 / 08期

关键词：

OCTAVE-SPANNING SUPERCONTINUUM; CONTINUUM GENERATION; FREQUENCY COMB; GLASS; DISPERSION; BANDWIDTH; PULSES; LASER; PUMP;

D O I：

10.1364/OE.21.009573

中图分类号：

O43 [光学];

学科分类号：

070207 [光学];

摘要：

We demonstrate the supercontinuum (SC) generation in a suspended-core As2S3 chalcogenide microstructured optical fiber (MOF). The variation of SC is investigated by changing the fiber length, pump peak power and pump wavelength. In the case of long fibers (20 and 40 cm), the SC ranges are discontinuous and stop at the wavelengths shorter than 3500 nm, due to the absorption of fiber. In the case of short fibers (1.3 and 2.4 cm), the SC ranges are continuous and can extend to the wavelengths longer than 4 mu m. The SC broadening is observed when the pump peak power increases from 0.24 to 1.32 kW at 2500 nm. The SC range increases with the pump wavelength changing from 2200 to 2600 nm, corresponding to the dispersion of As2S3 MOF from the normal to anomalous region. The SC generation is simulated by the generalized nonlinear Schrodinger equation. The simulation includes the SC difference between 1.3 and 2.4 cm long fiber by 2500 nm pumping, the variation of SC with pump peak power in 2.4 cm long fiber, and the variation of SC with pump wavelength in 1.3 cm long fiber. The simulation agrees well with the experiment. (C) 2013 Optical Society of America

引用

页码：9573 / 9583

页数：11

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