Acta Photonica Sinica, Volume. 54, Issue 4, 0406001(2025)
High-gain L-band Extended Fiber Amplifier Using Bismuth-erbium Co-doped Fiber
Figures & Tables(5)
Fig. 1. Experimental setup for L-band extended gain test by using BEDF
Fig. 3. Experimental setup of a two-stage L-band extended bismuth-erbium co-doped fiber amplifier with a double-pass amplification structure for the main amplifier
Fig. 4. Gain and noise figure spectra of the two-stage amplifier and the main amplifier
Table 1. Research progress of L-band extended EDFAs
View tableView in ArticleTable 1. Research progress of L-band extended EDFAs
Configuration Gain fiber 20 dB gain bandwidth/nm Max. gain/dB Max. wave. of 20 dB gain/nm Min. NF/dB 3 dB flatness gain bandwidth/nm Refs Two-stage single-pass Er/Yb 40 33 @1 570 nm 1 610 4.5 3 ［ 28 ］Two-stage single-pass Er/P 48 33 @1 570 nm 1 618 3.9 3 ［ 9 ］Two-stage double-pass Er/Yb/P 65 48 @1 566 nm 1 621 4.1 5 ［ 12 ］Single-stage single-pass Er/Yb/P 58 30 @1 600 nm 1 623 4.9 25 ［ 8 ］Single-stage single-pass Er/Yb/P 58 32 @1 572 nm 1 623 4.4 13 ［ 10 ］Two-stage single-pass Er/Yb/P 50 33 @1 610 nm 1 625 4.8 20 ［ 29 ］Three-stage single-pass Er/P/Al 50.3 38 @1 608 nm 1 625.3 4.6 21 ［ 11 ］Two-stage double-pass BEDF（3.6 m） 63 53 @1 570 nm 1 618 4.3 11 This work BEDF（4.8 m） 60 51 @1 570 nm 1 619 4.4 35
Tools
Get Citation
Copy Citation Text
Zhikai WU, Xinyong DONG, Yongfang ZOU, Jianxiang WEN, Tingyun WANG, Song WANG, Yuncai WANG, Yuwen QIN. High-gain L-band Extended Fiber Amplifier Using Bismuth-erbium Co-doped Fiber[J]. Acta Photonica Sinica, 2025, 54(4): 0406001
Paper Information
Category: Fiber Optics and Optical Communications
Received: Sep. 23, 2024
Accepted: Nov. 1, 2024
Published Online: May. 15, 2025
The Author Email: Xinyong DONG (dongxy@gdut.edu.cn)
© Copyright 2018-2021 | Chinese Laser Press.
All Rights Reserved 沪ICP备15018463号-20