The gain and noise figure of Yb–Er-codoped fiber amplifiers based on the temperature-dependent model
Source abstract
Abstract
Abstract A novel temperature-dependent model for Yb 3+ –Er 3+ -codoped fiber amplifier (EYDFA) based on the energy transfer from Yb 3+ to Er 3+ is established. Using appropriate fiber and energy transfer parameters, the coupled rate equations is numerically solved at 25 and 40 °C. The pumping powers are 100 and 200 mW at a pump wavelength of 1060 nm. The signal gain and noise characteristics of a 0.3 m erbium/ytterbium co-doped fiber (EYDF) in a single-pass configuration are investigated by using 1, 10 and 100 μW signals at 1535 nm. A maximum signal gain of 40.5 dB and a corresponding noise figure of 3.65 dB at the temperature of 25 °C are achieved.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Photonic Crystal and Fiber Optics · Optical Network Technologies · Advanced Fiber Laser Technologies
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References (24)
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