Investigation of low-loss and low-dispersion-slope highly nonlinear fibers and their application properties

Weijun Tong; Deming Liu; Ming Tang; Zhenbao He; Jie Luo

doi:10.1117/12.688085

4 October 2006 Investigation of low-loss and low-dispersion-slope highly nonlinear fibers and their application properties

Weijun Tong, Deming Liu, Ming Tang, Zhenbao He, Jie Luo

Author Affiliations +

Proceedings Volume 6351, Passive Components and Fiber-based Devices III; 63513L (2006) https://doi.org/10.1117/12.688085
Event: Asia-Pacific Optical Communications, 2006, Gwangju, South Korea

Abstract

Based on PCVD deposition process and Rod-In-Tube draw process, highly nonlinear fibers were designed and fabricated for efficient fiber nonlinearity generation. Highly nonlinear fibers employed high-concentration GeO2-doped core and fluorine-doped cladding were simulated, in which key structure parameters were investigated, such as the core diameter, core profile shape, and the b/a. The fabricated fibers successfully realized a low attenuation less than 1.30dB/km with an effective area of about 10um² and a dispersion slope about 0.020ps/nm²/km at the operating wavelength of 1.55um. For different applications such as Raman amplifier and four-wave mixing (FWM) generation, a series of fibers were fabricated with different dispersion spectrums in the S+C+L-band. Some application experiments were also introduced, which were related to fiber properties. Our fabricated fibers achieved the maximum effective Raman gain coefficient of 5.08W^-1km^-1 and the nonlinear coefficient of 12W^-1km^-1.

Citation Download Citation

Weijun Tong, Deming Liu, Ming Tang, Zhenbao He, and Jie Luo "Investigation of low-loss and low-dispersion-slope highly nonlinear fibers and their application properties", Proc. SPIE 6351, Passive Components and Fiber-based Devices III, 63513L (4 October 2006); https://doi.org/10.1117/12.688085

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KEYWORDS

Optical fibers

Raman spectroscopy

Signal attenuation

Silica

Cladding

Nonlinear optics

Polarization

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