Gain Spectral Filtering for Spectral Enhancement of Mode-Locked Fiber Oscillators
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概要
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Spectral enhancement of a mode-locked fiber oscillator has been proposed by using gain spectral filtering technique. A wide spectral width of 83 nm at 1030 nm, with 5.2 nJ pulse energy was achieved with positive net cavity dispersion. Fiber oscillator output spectrum was analyzed numerically, showing larger gain spectral filtering effect in longer gain medium systems. We show that the gain spectral filtering plays the same role as spectral filter element inside the resonator, hence could replace it in dispersion managed lasers improving the output spectrum and simplifying fiber oscillator designs.
- 2013-12-25
著者
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Haik Chosrowjan
Institute For Laser Technology
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Miyanaga Noriaki
Institute Laser Engineering Osaka University
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Kawanaka Junji
Institute Of Laser Engineering Osaka University
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Hwang SungIn
Institute of Laser Engineering, Osaka University, Suita, Osaka 565-0871, Japan
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Furuse Hiroaki
Institute for Laser Technology, Suita, Osaka 565-0871, Japan
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Lim Changhwan
Quantum Optics Division, Korea Atomic Energy Research Institute, Daejeon 305-353, Republic of Korea
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