A novel method for passively mode-locked fiber laser to enhance sidebands suppression ratio by using lumped-gain amplification

Author

Dai, Zhiyong ; Liu, Yongzhi

Author_Institution

Sch. of Opto-Electron. Inf., Univ. of Electron. Sci. & Technol. of China, Chengdu, China

fYear

2008

fDate

19-21 Nov. 2008

Firstpage

1244

Lastpage

1248

Abstract

A novel method to design a passively mode-locked fiber laser with high sidebands suppression ratio by using lumped-gain amplifier as the intra-cavity amplifying units is first proposed and experimentally demonstrated in this paper. The theoretical and experimental results show that the proposed fiber laser can effectively reduce the periodic energy fluctuation of intra-cavity and offer a very good suppression to the spectral sidebands. With this method, a passively mode-locked Er³⁺-doped fiber laser with spectral sidebands suppression ratio of more than 20dB is obtained.

Keywords

erbium; fibre lasers; Er; intracavity amplifying units; lumped-gain amplification; mode-locked fiber laser; periodic energy fluctuation; sideband suppression ratio enhancement; Fiber lasers; Laser mode locking; Laser theory; Optical fiber amplifiers; Optical fiber communication; Optical fiber couplers; Optical fiber polarization; Optical fiber sensors; Optical fiber theory; Pulse amplifiers; fiber laser; lumped-gain amplification; mode-locked; ultra-short pulses;

fLanguage

English

Publisher

ieee

Conference_Titel

Communication Systems, 2008. ICCS 2008. 11th IEEE Singapore International Conference on

Conference_Location

Guangzhou

Print_ISBN

978-1-4244-2423-8

Electronic_ISBN

978-1-4244-2424-5

Type

conf

DOI

10.1109/ICCS.2008.4737382

Filename

4737382