| Original Articles |
|
|
|
|
Ultra-Broadened Supercontinuum Generation in a Novel Dispersion-Flattened and Decreasing Fibre |
| CHEN Yong-Zhu1;LI Yu-Zhong1;QU Gui1;XU Wen-Cheng2 |
| 1Department of Mechatronic Engineering, Guangdong Polytechnic Normal University, Guangzhou 510635
2Institute of Quantum Electronics, South China Normal University, Guangzhou 510631 |
|
| Cite this article: |
|
CHEN Yong-Zhu, LI Yu-Zhong, QU Gui et al 2006 Chin. Phys. Lett. 23 2993-2995 |
|
|
|
Abstract A new approach is introduced to enhance supercontinuum (SC) spectrum in a dispersion-flattened/decreasing fibre with a convex dispersion profile. A flat SC spectrum nearly extending from 1200nm to 2100nm can be generated based on this scheme. It is found that group-velocity dispersions (GVD) and self-phase modulation (SPM) effects are the primary factors for pump pulse compression and SC spectrum generation, stimulated Raman scattering (SRS) effect plays an essential role on the final SC-spectrum bandwidth and flatness, but self-steepening effect can be ignored.
|
| Keywords:
42.65.Tg
42.65.Re
42.65.Dr
|
|
|
Published: 01 November 2006
|
|
| PACS: |
42.65.Tg
|
(Optical solitons; nonlinear guided waves)
|
| |
42.65.Re
|
(Ultrafast processes; optical pulse generation and pulse compression)
|
| |
42.65.Dr
|
(Stimulated Raman scattering; CARS)
|
|
|
|
|
|
|
Viewed |
|
|
|
Full text
|
|
|
|
|
Abstract
|
|
|
|
|
