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High gain double-pass L-band EDFA with dispersion compensation as feedback loop

We demonstrate an efficient double-pass L-band erbium-doped fiber amplifier (EDFA) incorporating chirped fiber Bragg grating (CFBG). The amplifier structure exploits the characteristics of CFBG to reflect the amplified signal back into the gain medium, filter out the recycled forward amplified spont...

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Bibliographic Details
Main Authors: Haleem M.R., Al-Mansoori M.H., Jamaludin M.Z., Abdullah F., Din N.M.
Other Authors: 37018144900
Format: Conference paper
Published: 2023
Subjects:
Erbium
Fiber amplifiers
Fiber Bragg gratings
Noise figure
Pumps
Amplified signals
Amplified spontaneous emissions
Broadband mirrors
Chirped fiber Bragg grating
Double pass
Feed-back loop
Gain medium
High gain
Input signal power
L-band EDFA
Low noise figure
Pump power
Broadband amplifiers
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Summary:We demonstrate an efficient double-pass L-band erbium-doped fiber amplifier (EDFA) incorporating chirped fiber Bragg grating (CFBG). The amplifier structure exploits the characteristics of CFBG to reflect the amplified signal back into the gain medium, filter out the recycled forward amplified spontaneous emission and block the residual 1480 nm pump power. The amplifier configuration has high gain and low noise figures as compared to double-pass EDFA using broadband mirror. The demonstrated amplifier has gain of more than 48 dB and low noise figure of less than 4 dB at low input signal power of -40 dBm. � Pleiades Publishing, Ltd., 2011.

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