We compare the performance of silicon-based arrayed waveguide gratings (AWGs) with star couplers of Rowland and Confocal configurations, respectively, for both TE and TM polarizations.
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A three layer planar waveguide structure, consisting of a light guiding ferroelectric lead zirconate titanate thin film, embedded between two transparent zinc oxide electrodes, was elaborated and studied by m-lines spectroscopy. A comparison has been made between the physical-optic approach and the ray-optic approach in descr bing light propagation in a waveguide. However, unlike electrical current that flows through a metal strip according to Ohm's law, optical waves.
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Polyimide coated weak fiber Bragg grating array (PI-wFBGA) fabricated online by drawing tower overcomes the temperature limitation of conventional acrylate coating, and has broad application prospects in h.
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We design and fabricate an eight-channel thin-film lithium niobate (TFLN) arrayed-waveguide grating (AWG) and demonstrate the electro-optical tunability of the device. The transmission of the fabri-cated TFLN AWG near the central wavelength of 1550 nm is. Arrayed waveguide grating is a versatile and scalable integrated light dispersion device, which has been widely adopted in various applications, including, optical communications and optical sensing.
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In this paper, low-loss Y-branch splitters up to 128 splitting ratio are designed, simulated, and optimized by using 2D beam propagation method in OptiBPM tool by Optiwave.
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