Design of One-Bit Magnitude Comparator Using Nonlinear Plasmonic Waveguide

Abstract

The effective optical switching property of MachZehnder interferometer (MZI) utilizing optical Kerr effect has been precisely reported suitably assisted with an analytical approach in this paper. MZI plays the role of the fundamental building block in the designing of intricate combinational circuit by employing Kerr effect. This paper constitutes ultracompact design of one-bit magnitude comparator along with its mathematical analysis. The analysis of device is justified through MATLAB and finite-difference time-domain (FDTD) method.

Modeling of all-optical even and odd parity generator circuits using metal-insulator-metal plasmonic waveguides

“…The analyzed value of ER for single MZI is quite useful and enough for designing the all-optical logic gates [24]. Thus, this toggling of optical signals across output ports of MZI with respect to input power of source is mathematically written as [25][26][27][28] …”

Design of All-Optical Directional Coupler Using Plasmonic MIM Waveguide for Switching Applications

“…To overcome the limitations of semiconductor technology, optical communication came into consideration. Optical communication is quite instrumental in the eld of telecommunication due to its large bandwidth, high speed, and low interference [3,[6][7][8][9]. Due to these reasons, researchers have shifted focus on the optical signal to transmit the information [1,[5][6][7][10][11][12][13].…”

“…Optical communication is quite instrumental in the eld of telecommunication due to its large bandwidth, high speed, and low interference [3,[6][7][8][9]. Due to these reasons, researchers have shifted focus on the optical signal to transmit the information [1,[5][6][7][10][11][12][13]. Different types of optical techniques are employed such as metal-insulator-metal (MIM) [3][4]28,31,33,37,43], insulator-metal-insulator (IMI) [28,33], dielectric-loaded surface plasmon polaritons (DLSPP) [10][11][21][22]29,31,33,35], metal slot waveguide [3][4].…”

“…Due to these reasons, researchers have shifted focus on the optical signal to transmit the information [1,[5][6][7][10][11][12][13]. Different types of optical techniques are employed such as metal-insulator-metal (MIM) [3][4]28,31,33,37,43], insulator-metal-insulator (IMI) [28,33], dielectric-loaded surface plasmon polaritons (DLSPP) [10][11][21][22]29,31,33,35], metal slot waveguide [3][4]. The directional coupler already has been implemented by using a semiconductor optical ampli er (SOA) [15][16]23,27,[36][37] photonic crystal [13,19,31,[36][37][38][39][40][41][42][44][45] and lithium niobate (LiNbO 3 ) [5,8,15,].…”

“…The motivation behind plasmonic is the ability the realization of very compact photonic devices [13,31]. To obtain a satisfactory performance between loss and con nement, MIM [3][4]6,28,31,33,37,43] has been preferred due to the ability to con ne surface plasmon diffraction limit [20]. The important structure in optical communication is directional coupler [3-4,9,14,19,28-30,32-34] and it can be implemented in various applications like power splitter [17], optical switches, and wavelength selective coupler, etc.…”