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A differential third-order Chebyshev filtering microstrip antenna array with high common-mode (CM) rejection is presented. The feeding structure consisting of one line resonator and one H-shaped resonator as well as the microstrip antenna elements together provide the three stages in the bandpass filter design. Under differential-mode excitation, the H-shaped resonator can be effectively coupled with...
Weakly-coupled mode-division-multiplexing (MDM) is a promising approach to overcome the capacity crunch in optical transmission systems and networks. In this paper, we present the latest progresses of weakly-coupled MDM transmission over multi-mode fiber (MMF) or few-mode fiber (FMF) supporting large quantity of independent modes with intensity modulation and direct detection.
This paper reports a new kind of matching network for microstrip diplexer. By properly adjusting the input admittance of the matching network, each channel of the diplexer can be designed independently. The diplexer can be easily realized by the connection of different bandpass filters without further tuning. The matching network is comprised by some open- and short-circuited transmission lines, and...
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