| 2 | Tunable graphene-based mid-infrared band-pass planar filter and its application显示文摘We have designed and proposed the edge modes supported by graphene ribbons and the planar band-pass filter consisting of graphene ribbons coupled to a graphene ring resonator by using the finite-difference time-domain numerical method.Simulation results show that the edge modes improve the electromagnetic coupling between devices. This structure works as a novel, tunable mid-infrared band-pass filter. Our studies will benefit the fabrication of planar, ultra-compact nano-scale devices in the mid-infrared region. A power splitter consisting of two output ribbons that is useful in photonic integrated devices and circuits is also designed and simulated. These devices are useful for designing ultra-compact planar devices in photonic integrated circuits. | Somayyeh Asgari Hossein Rajabloo Nosrat Granpayeh Homayoon Oraizi | 2018 | Chinese Physics B2018，27，8： | 0 |
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