1480-nm pumped erbium-doped fiber amplifiers with optimized noise performance for AM-VSB distribution systems

1994 ◽  
Vol 6 (11) ◽  
pp. 1318-1320 ◽  
Author(s):  
B. Clesca ◽  
P. Bousselet ◽  
J. Auge ◽  
J.P. Blondel ◽  
H. Fevrier
Keyword(s):  
Distribution Systems ◽  
Fiber Amplifiers ◽  
Noise Performance ◽  
Erbium Doped

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

ERBIUM-DOPED FIBER AMPLIFIERS FOR MULTIWAVELENGTH LIGHTWAVE NETWORKS: IMPACT OF THE NON-FLAT GAIN SPECTRUM

1996 ◽  
Vol 07 (01) ◽  
pp. 37-54
Author(s):  
EVAN L. GOLDSTEIN ◽  
LARS ESKILDSEN
Keyword(s):  
Network Management ◽  
Optical Amplifiers ◽  
Gain Spectrum ◽  
Fiber Amplifiers ◽  
Noise Performance ◽  
Lightwave Networks ◽  
Research Challenges ◽  
Erbium Doped ◽  
Flat Gain

The effort to build amplified multiwavelength lightwave networks that are large and reconfigurable has raised a host of hard technological challenges, ranging from device-level difficulties to transmission engineering to network-management concerns. Not least of these are the challenges posed by the spectral gain nonuniformities, and the associated multiwavelength noise performance, of such a network's cascaded optical amplifiers. This paper catalogs the research challenges posed by multiwavelength amplification in networks, summarizes the theory underlying them, and describes approaches that are emerging to lessen their ill effects.

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.

Investigations of Different Amplifiers in 16 × 40 Gb/S WDM System

2019 ◽  
Vol 40 (4) ◽  
pp. 341-346
Author(s):  
Kulwinder Singh ◽  
Karan Goel ◽  
Kamaljit Singh Bhatia ◽  
Hardeep Singh Ryait
Keyword(s):  
Wavelength Division Multiplexing ◽  
Fiber Amplifier ◽  
Optical Amplifier ◽  
Fiber Amplifiers ◽  
Erbium Doped Fiber Amplifier ◽  
Wavelength Division ◽  
Transmission Distance ◽  
Erbium Doped ◽  
Eye Opening ◽  
Eye Closure

Abstract Different fiber amplifiers such as semiconductor optical amplifier, erbium-doped fiber amplifier and erbium ytterbium-co-doped fiber amplifier (EYCDFA) are investigated for 16×40 GB/s wavelength division multiplexing system. Various performance parameters including Q-factor, bit error rate, jitter, eye opening and eye closure are observed and analyzed. It is reported that EYCDFA is a better choice among the tested amplifiers. The proposed system is also investigated in terms of transmission distance.

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