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This paper presents wavelength-generating scheme using reflective semiconductor optical amplifier (RSOA) and a delay interferometer (DI). The proposed method presents simplified multi-wavelength generation scheme by establishing promising laser structure assimilated with a fiber coupler, an optical circulator with the bandwidth variable tunable filter and DI. The gain medium leapfrogs intrinsic properties...
Maximum transmission distance of fiber Bragg grating (FBG) sensors is limited by the signal loss in the fiber link. This paper aims to address the issue of fiber sensor for long-distance transmission using Raman amplifier. Intensity and wavelength-division multiplexing (IWDM) technique has been employed to increase the number FBG sensors in the system. The proposed scheme enables a long-distance sensing...
In this paper, we have proposed and demonstrated a multi-wavelength laser source based on a semiconductor optical amplifier (SOA) and optical filter module. The optical filter module is composed from a polarizer (P), polarization controller (PC), polarization maintaining fiber (PMF) and mirror. The multi-wavelength laser is generated by constructing SOA and optical filter module in a loop. The output...
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