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2 results on '"Guangzhen Zhao"'

1. High power tunable and passively mode-locked erbium-doped fiber ring laser based on nonlinear polarization rotation

Author

Guangzhen Zhao, Shumin Zhang, Zhijun Zhang, and Dan Li

Subjects
Optical amplifier, Optical fiber, Materials science, business.industry, Physics::Optics, Polarization-maintaining optical fiber, Ring laser, Laser, law.invention, Optics, law, Fiber laser, Laser power scaling, business, Tunable laser
Abstract

Using the nonlinear polarization rotation technique and an Er 3+ /Yb 3+ co-doped fiber amplifier, we have experimentally obtained high output power wavelength continuously tunable laser and high output power passively mode-locked pulse in an erbium-doped fiber ring laser.

Published
2008

2. Supercontinuum generation in photonics crystal fibers with a femtosecond pulse

Author

Fuyun Lu, Shumin Zhang, Yandong Gong, Xiulan Meng, Guangzhen Zhao, Zhijun Zhang, and Xiufeng Yang

Subjects
Optical fiber, Materials science, business.industry, Physics::Optics, Nonlinear optics, law.invention, Supercontinuum, symbols.namesake, Four-wave mixing, Optics, law, Femtosecond, symbols, Optoelectronics, Photonics, business, Raman scattering, Photonic crystal
Abstract

The onset of supercontinuum generation in a photonics crystal fiber is investigated experimentally and numerically as a function of pump optical power with a femtosecond pulse. The effects of optical wave breaking of higher-order solitons, Stimulated Raman scattering (SRS), and coupling between the SRS and parametric four-wave mixing on supercontinuum generation are investigated. Good agreement between experiment and simulation is obtained.

Published
2007

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