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A simple design method, based on infinite impulse response theory, is proposed for Michelson Gires-Tournois interferometer (MGTI) type interleaver with arbitrary duty cycles. The influence of different duty cycle on passband width and steepness is investigated as well.
A novel and simple design method based on pole-zero diagram is proposed for optical interleaver based on Michelson Gires-Tournois interferometer (MGTI) with arbitrary cascaded reflectors. Digital filter model which is equivalent to the MGTI optical interleaver is derived firstly. Then on the basis of it, the transfer functions of two output ports of the interleaver are simplified and all the design...
FIR is adopted to design the asymmetrical birefringent interleaver. By choosing appropriate value of structure parameters such as crystal deflection angle, thickness and angle of analyser, we have managed to design an asymmetrical interleaver, the ratio of output port (wide bandwidth) to another output port (narrow bandwidth) at 3 dB passband (bandwidth ratio) is 2.06. The simulation results are given...
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