Noise-like pulses generated from a passively mode-locked fiber laser with a WS2 saturable absorber on microfiber. (8th June 2018)

• Record Type: Journal Article
• Authors: Wang, Zhenhong; Wang, Zhi; Liu, Yan-ge; He, Ruijing; Han, Simeng; Wang, Guangdou; Yang, Guang; Wang, Xiaoqing
• Is Part Of: Laser physics letters. Volume 15:Number 8(2018:Aug.)
• Publication Date: 2018-06-08
• Subjects: fiber lasers -- nonlinear optical materials -- noise-like pulses; Lasers -- Periodicals; Physics -- Periodicals; 621.366
• DOI: 10.1088/1612-202X/aac551
• Languages: English
• ISSNs: 1612-2011

Abstract

Abstract: We report on a noise-like pulse (NLP) generation in a mode-locked erbium-doped all-fiber laser using a WS2 -deposited microfiber saturable absorber (SA). The prepared WS2 SA can serve as an excellent mode-locked and highly nonlinear device in the all-fiber laser cavity. At proper pump power and polarization states, typical NLPs can be generated. Adjusting the polarization also yields special NLPs with second-order harmonic mode-locking. For typical NLPs, 37 mW maximum output power and 8.8 nJ pulse energy are achieved at 334 mW pump power. The microfiber-based WS2 component could be a potential device for exploring nonlinear dynamics, such as NLPs.