Acta Optica Sinica, Volume. 43, Issue 22, 2206006(2023)
Extended L-Band Erbium-Doped Fiber Amplifier with High Gain Using Two-Stage Double-Pass Configuration
Figures & Tables(5)
Fig. 1. Configuration of two-stage double-pass L-band extended erbium-doped fiber amplifier (EDFA)
Fig. 2. Gain and noise figure (NF) of main amplifier in single-pass and double-pass configurations
Fig. 3. Gain and NF of two-stage single-pass configuration and two-stage double-pass configuration in L-band extended EDFA
Fig. 4. Gain of two-stage double-pass configuration L-band extended EDFA versus input signal power
Table 1. Key parameters of L-band extended EDFA at home and abroad
View tableTable 1. Key parameters of L-band extended EDFA at home and abroad
Configuration Gain bandwidth
Δλ/nm
Maximum
gain G/dB
Maximum wavelength for 20 dB gain /nm Minimum noise figure /dB Total pump power
P/mW
Reference Two-stage single-pass with C-band auxiliary pumping 48（≥20 dB） ~26 @1605 nm 1618 4.0 650 ［ 12 ］Two-stage single-pass 52（≥20 dB） ~29 @1570 nm
~26 @1605 nm
1622 4.4 1550 ［ 13 ］Single-stage single-pass 58（≥20 dB） ~31 @1605 nm 1623 4.9 720 ［ 14 ］Three-stage single-pass 50（≥23 dB） ~37 @1610 nm 1625 4.7 2180 ［ 15 ］Single-stage single-pass 48（≥20 dB） ~24 @1595 nm 1613 3.1 765 ［ 16 ］Two-stage double-pass 65（≥20 dB）
58（≥30 dB）
~48 @1566 nm
~39 @1605 nm
1621 4.1 400 This work
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Jiyu Ruan, Haoxian Lao, Manbing Lin, Li Zhong, Song Wang, Xinyong Dong. Extended L-Band Erbium-Doped Fiber Amplifier with High Gain Using Two-Stage Double-Pass Configuration[J]. Acta Optica Sinica, 2023, 43(22): 2206006
Paper Information
Category: Fiber Optics and Optical Communications
Received: Jul. 10, 2023
Accepted: Sep. 4, 2023
Published Online: Nov. 20, 2023
The Author Email: Dong Xinyong (dongxy@gdut.edu.cn)
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