Abstract

A wavelength-tunable noise-like pulse (NLP) erbium-doped fiber laser incorporating PbS quantum dot (QD) polystyrene (PS) composite film as a saturable absorber (SA) is experimentally demonstrated. The wavelength tuning is implemented via a Lyot filter consisting of a segment of polarization-maintaining fiber (PMF) and a 45° tilted fiber grating. By adjusting the polarization state of the ring cavity, the laser can deliver NLP with a continuous wavelength-tunable range from 1550.21 to 1560.64 nm. During continuous wavelength tuning, the output power varies between a range of 30.88–48.8 mW. Worthwhile noting is that the output power of 48.8 mW is the reported highest output power for wavelength-tunable NLP operation in an erbium-doped fiber laser using composite film as a saturable absorber.

© 2022 Optica Publishing Group

Stable passively Q-switched erbium-doped fiber laser incorporating a PbS quantum dots polystyrene composite film based saturable absorber

Xiaolan Sun, Bin Zhou, Chuanhang Zou, Wei Zhao, Qianqian Huang, Nana Li, Tianxing Wang, Chengbo Mou, Tingyun Wang, and Alan R. Kost
Appl. Opt. 57(12) 3231-3236 (2018)

Tunable noise-like pulse and Q-switched erbium-doped fiber laser

Jing Li, Chuncan Wang, and Peng Wang
Opt. Express 30(4) 4768-4781 (2022)

Mode-locked Er-doped fiber laser based on PbS/CdS core/shell quantum dots as saturable absorber

Na Ming, Shina Tao, Wenqing Yang, Qingyun Chen, Ruyi Sun, Chang Wang, Shuyun Wang, Baoyuan Man, and Huanian Zhang
Opt. Express 26(7) 9017-9026 (2018)

PbS quantum dots as a saturable absorber for ultrafast laser

Ling Yun, Yang Qiu, Conghao Yang, Jie Xing, Kehan Yu, Xiangxing Xu, and Wei Wei
Photon. Res. 6(11) 1028-1032 (2018)

Passively Q-switched Nd-doped fiber laser based on PbS/CdS core/shell quantum dots as a saturable absorber

Shenggui Fu, Shuoshuo Zhang, Jinjian Li, Zhidong Bai, Tiange Wu, and Zhongsheng Man
Appl. Opt. 58(11) 3036-3041 (2019)