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A balanced tri-band bandpass filter (BPF) is proposed based on octo-section stepped-impedance ring resonator (SIRR). The relation and design graphs between the differential-mode (DM) and common-mode (CM) characteristics with different physical parameters are analyzed. It reveals that the proposed SIRR has more degrees of freedom in controlling DM and CM characteristics for tri-band design with excellent...
We experimentally demonstrate an efficient coupler between a silicon waveguide and a hybrid plasmonic waveguide for the wavelength range 1460-1540 nm. Such compact, efficient plasmonic couplers provide a promising platform for integrated photonic circuits.
In the future heterogeneous wireless networks with a mixed deployment of macro BS and micro relay stations, different nodes will compete for the same radio resources for providing mobile services. This poses great challenges to radio resource management and coordination. One critical step to achieve the optimal radio resource usage is for the mobiles to connect to the access nodes that provide the...
Slot waveguides formed either in high-index dielectrics or in metals attract great interest because they provide sub-wavelength confinement in the slot region. While this feature is very attractive for devices relying on stimulated emission or nonlinear effects, it does not necessarily improve the integration density. The spacing between dielectric slot waveguides is still limited by diffraction....
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