Low-noise operation of fluoride-based erbium-doped fiber amplifiers with ^4I_11/2-level pumping

1997 ◽  
Vol 22 (16) ◽  
pp. 1235 ◽  
Author(s):  
Yasutake Ohishi ◽  
Makoto Yamada ◽  
Terutoshi Kanamori ◽  
Shoichi Sudo ◽  
Makoto Shimizu
Keyword(s):  
Low Noise ◽  
Fiber Amplifiers ◽  
Erbium Doped

Design of EDFA based 16 channel WDM system using counter directional high pump power

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Md. Asraful Sekh ◽  
Mijanur Rahim ◽  
Anjumanara Begam
Keyword(s):  
Pump Power ◽  
Wavelength Division Multiplexing ◽  
Input Power ◽  
Low Noise ◽  
Fiber Amplifiers ◽  
Wavelength Division ◽  
High Pump Power ◽  
Erbium Doped ◽  
High Pump ◽  
Channel Wavelength

Abstract In this paper, design of erbium-doped fiber amplifiers (EDFA) based 16 channel wavelength-division multiplexing (WDM) system for different pump powers and input signal levels using counter propagating pumping scheme is reported. Wavelength range between 1548 and 1560 nm in C-band with channel spacing of 0.75 nm at a bit rate of 10 Gbps are used. Input power given to all the channels is taken between −20 and −35 dBm with 3 dBm variation. Pump power levels between 100 and 500 mW at 980 nm wavelength are used. Low gain flatness with high gains and low noise figures are achieved with the proposed scheme.

Low-noise performance of gain-clamped erbium-doped fiber amplifiers by loop lasing oscillation

1996 ◽  
Author(s):  
Ming Cai ◽  
Xiaoming Liu ◽  
Jingcui Cui ◽  
Pingsheng Tang ◽  
Dan Liu ◽  
...  
Keyword(s):  
Low Noise ◽  
Fiber Amplifiers ◽  
Noise Performance ◽  
Erbium Doped

Temperature Independent Mini-Size Erbium-Doped Fiber Amplifiers with Low Noise-Figure

2006 ◽  
Author(s):  
Shien-Kuei Liaw ◽  
Cheng-Kai Huang ◽  
Li-chuan Mau ◽  
Hong-Xi Cao ◽  
Ji-Bin Horng
Keyword(s):  
Noise Figure ◽  
Low Noise ◽  
Fiber Amplifiers ◽  
Erbium Doped

scholarly journals Experimental Measurement of Absorption Coefficients for Effective Erbium-Doping Concentration to Optimize Few-Mode Erbium-Doped Fiber Amplifiers with Low Differential Mode Gain

Photonics ◽  
2021 ◽  
Vol 8 (6) ◽  
pp. 185
Author(s):  
Yan Xu ◽  
Baojian Wu ◽  
Xinrui Jiang ◽  
Haomiao Guo ◽  
Feng Wen
Keyword(s):  
Doping Concentration ◽  
Point Of View ◽  
Fiber Amplifiers ◽  
Efficient Design ◽  
Absorption Loss ◽  
Differential Mode ◽  
Transmission Method ◽  
Modal Gain ◽  
Analysis Process ◽  
Erbium Doped

According to the analytical expression for modal gain of few-mode erbium-doped fiber amplifiers (FM-EDFAs), we propose a method of measuring the absorption loss coefficients of few-mode signals in few-mode erbium-doped fibers (FM-EDFs) by extrapolating the mode–gain curve dependent on the average population inversion. The absorption loss coefficient of an FM-EDF was measured in our experimental platform and used to estimate the effective erbium-ion doping concentration. The feasibility of the extrapolation method was verified by simulation and comparison with the transmission method. Furthermore, the FM-EDFAs with high modal gain and low differential mode gain (DMG) could be optimized by adjusting the FM-EDF’s length and pump power. The analysis process presented here is very useful for the efficient design of FM-EDFAs from a practical point of view.

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