Generation of pulse trains with high-repetition-rate in anomalous dispersion decreasing fibers

被引：0
|
作者：
Korobko, Dmitry A. [1 ]
Zolotovskii, Igor O. [1 ]
Okhotnikov, Oleg G. [1 ,2 ]
Sysolyatin, Alex A. [3 ]
机构：
[1] Ulyanovsk State Univ, Ulyanovsk 432000, Russia
[2] Tampere Univ Technol, Optoelect Res Ctr, FIN-33101 Tampere, Finland
[3] Russian Acad Sci, Inst Gen Phys, Moscow 119991, Russia
来源：
2014 INTERNATIONAL CONFERENCE LASER OPTICS | 2014年
关键词：
Dispersion decreasing fibers; modulation instability; pulse trains; soliton-like pulses; DYNAMICS;
D O I：
暂无
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：
Optical pulse generation and compression have been numerically studied in anomalous dispersion decreasing fibers (DDF). We show that evolution of modulation instability (MI) observed with chirped wave packets in tapered fibers produces the mechanism for generation of ultra-short pulses with high repetition rates. The role of modulation instability and Raman self-scattering has been also discussed. The simulations show that pulse chirping enhances self-Raman scattering at early stages of pulse propagation and improves compression of the generated pulses. It is also shown that the presence of amplitude and frequency modulation of the seed wave provide essential impact on the pulse train formation. The new method for increasing the pulse train repetition rate through frequency modulation of the seed wave has been proposed.
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页数：1
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