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In this paper, we have analyzed a nonlinear photonic crystal directional coupler by the finite difference time domain method.
In this paper, we present an iterative numerical method to optimize the design of a grating coupler by analyzing the out coupled beam from the waveguide towards the fiber.
The external Q was measured for the axial coupler by changing the penetration depth from −74.53 to −29.53 mm the external Q was varied from ∼1.03×106 to 1.38×103.
This paper shows the development of important microwave passive component, rat-race hybrid coupler 180° for LTE higher (1.7 - 2.7 GHz) frequency band, which is obtained by replacing (3λ/4 -wave transmission line of a conventional coupler by their equivalent T-shape line section, resulting in significant size reduction.
The fiber probe was spliced to the single arm of the fiber coupler by a fusion splicer.
(j) Disengage the wide mouth hub of the needle from the coupler by holding the grip area on the hub with the needle in the cap cum stand.
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Figure 4 Dual DLSPPW coupler studied by NFES with different wavelengths.
In Section 4, we present a spectroscopic characterization of the rf SQUID coupler followed by a summary and conclusions in Section 5.
Using finite difference time domain method, off-plane directional coupler formed by two straight waveguides in woodpile structure are designed, analyzed, and simulated.
The design and the analysis of the grating-assisted vertical couplers, performed by two different numerical methods, the Bidirectional Beam Propagation Method based on the Method of Lines (MoL-BBPM) and the Finite Difference Time Domain (FDTD) method, are reported.
The aim of the present paper is to model the dynamic behavior of eddy current dampers and couplers and, by extension, of resistively shunted synchronous motors with permanent magnets.
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