Search Results - Yonghui Tian
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Demonstration of a Silicon Photonic Circuit for Half-Add Operations Using Cascaded Microring Resonators
Published 2017-01-01Get full textWe report a silicon photonic circuit that can perform half-add operations using cascaded microring resonators (MRRs). Electrical pulse sequences regarded as the operands are applied to the corresponding MRRs to achieve their dynamic modulations. The final operation results are directed to the corres...
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All-Optical Intensity Modulator by Polarization-Dependent Graphene-Microfiber Waveguide
Published 2017-01-01Get full textWe demonstrated all-optical intensity modulator based on polarization-dependent graphene-covered microfiber (GMF) waveguide. By controlling the polarization mode of incident light, a greatly adjustable enhanced interaction between the propagating light and the graphene can be obtained via the evanes...
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Simulation and Demonstration of Directed XOR/XNOR Logic Gates Using Two Cascaded Microring Resonators
Published 2016-01-01Get full textWe propose and demonstrate a directed optical logic circuit that can perform the XOR and XNOR logic operations consisting of two cascaded microring resonators, i.e., an upper waveguide and an under waveguide. No waveguide crossings exist in the circuit, which is very useful to improve the signal qua...
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Demonstration of a Microfiber-Based Add–Drop Filter Using One Tapered Fiber
Published 2018-01-01Get full textWe propose a novel approach to demonstrate an add–drop filter based on microfiber knot resonator (MFKR). The two coupled regions and four ports (including input port, through port, drop port, and add port) of this device are formed using the same one microfiber. By reconnecting the ends o...
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Reconfigurable Electro-optic Logic Circuits Using Microring Resonator-Based Optical Switch Array
Published 2016-01-01Get full textIn this paper, we propose a reconfigurable electro-optic logic circuit, which can perform any combinatorial logic operations using a microring resonator (MRR)-based optical switching array. The operands are represented by electrical signals, which are applied to the corresponding MRRs to control the...
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Reconfigurable Optical Directed Logic Circuits Based on Mode Division Multiplexing Technology
Published 2023-01-01Get full textReconfigurable optical directed logic circuits (RODLC) aim to perform arbitrary logic operations using the optical switch network, in which the electrical signals regarded as the logic operands are applied to the optical switch to control the propagation of light over time, and the logic operation r...
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