Octave-spanning frequency comb generated by 250 fs pulse train emitted from 25 GHz externally phase-modulated laser diode for carrier-envelope-offset-locking

被引:24
作者
Ishizawa, A. [1 ]
Nishikawa, T. [1 ]
Mizutori, A. [2 ]
Takara, H. [3 ]
Aozasa, S. [4 ]
Mori, A. [5 ]
Nakano, H. [1 ]
Takada, A. [6 ]
Koga, M. [2 ]
机构
[1] NTT Corp, NTT Basic Res Labs, Kanagawa 2430198, Japan
[2] Oita Univ, Oita 8701192, Japan
[3] NTT Corp, NTT Network Innovat Labs, Kanagawa 2390847, Japan
[4] NTT Corp, NTT Access Network Serv Syst Labs, Tsukuba, Ibaraki 3050805, Japan
[5] NTT Corp, NTT Photon Labs, Kanagawa 2430198, Japan
[6] Univ Tokushima, Tokushima 7708506, Japan
关键词
D O I
10.1049/el.2010.2228
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
Proposed is an approach to achieving a carrier-envelope-offset (CEO)-locked frequency comb with 25 GHz mode spacing in the telecommunications wavelength region. To achieve the approach, a 250 fs laser pulse train at a 25 GHz repetition rate was developed by intensity-and phase-modulating a seed light emitted from a continuous-wave laser diode and propagating it through a dispersive fibre. Using the authors' developed tellurite photonics crystal fibre with a high-nonlinear coefficient, octave-spanning supercontinuum generation in the 1.5 mu m band from a 250 MHz gated pulse train for CEO frequency detection was demonstrated.
引用
收藏
页码:1343 / 1344
页数:2
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