An optical router is an essential component of a photonic network-on-chip (PNoC). Normally, an optical router consists of traditional optical elements such as the micro-ring resonator (MRR) and the Mach-Zehnder interferometer (MZI). This type of router has many disadvantages, such as
a large size, lack of thermal stability and low speed, although their manufacturing technologies are mature. In this paper, we propose a full duplex 5×5 optical router based on a hybrid photonic-plasmonic switch (HPPS). The HPPS has the advantages of compactness, thermal stability and
high speed, which can effectively solve the problems of traditional optical routers. In this work, each optical communication link in the optical router is independent, and each optical communication link no longer shares the same switch, which avoids blocking between channels and achieves
full-duplex communication. The modelling of the optical router using the HPPS is performed through MATLAB as well as by a finite-difference-time-domain (FDTD) simulation. The maximum and average insertion losses (ILs) of the router are 5.4 dB and 3.5 dB, respectively, and the router has a
fast switching time (100 ps). The results show that this optical router has the advantages of low loss and low energy consumption and provides a 5×5 full-duplex optical router for the PNoC.
Electro-optic hybrid computing is a key research topic in high-performance computing. AND, OR and NON are the most basic computing units. Logic units, which are composed of a Mach Zehnder interferometer (MZI) and a micro ring resonator (MRR), have the issues of large size and poor thermal
stability. To solve these problems, this paper discusses the design of AND, OR and NON basic logic units in compact electro-optic logics based on the principle of silicon-based hybrid surface plasmon polariton waveguides. By optimizing the parameters with the Finite Difference-Time Domain
(FDTD), the simulation results show that the maximum insertion loss (IL) of the AND, OR and NON logic units is 5.1 dB, and the extinction ratio (ER) is at least 14.3 dB. The experimental simulation results provide a theoretical basis for the design of an electro-optic logic gate derived from
a silicon-based hybrid surface plasmon polariton waveguide.
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