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A novel high SMSR dual-wavelength erbium-doped fiber laser operating in C-band is proposed and successfully demonstrated. Based on Arrayed-Waveguide Gratings (A WGs) as a comber filter and demultiplexer, the fiber laser retrieve the optical side-mode suppression ratio (SMSR) of 53dB and the output powers of-10.45dBm and-10.20dBm at the wavelengths 1554.87nm and 1555.65nm, respectively. The mode spacing...
A novel wavelength interrogator that employs an arrayed waveguide grating (AWG) is proposed and its operating features are investigated in detail theoretically. Wavelength detection can be easily achieved by using traditional means of detecting light intensity of AWG's output signal in this method. An explicit formula based on the Gaussian approximation is given and used to model the characteristics...
An efficient and accurate modeling based on Fourier optics is presented to simulate the field propagation in an arrayed waveguide grating (AWG) demultiplexer. A modification is used to improve the accuracy, considering the fourth order quantitative error of the conventional formula. Using the modified formula, the spectral response characteristic of AWG is presented and simulation results show that...
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