A Grating Coupler With High Coupling Efficiency and Large Bandwidth for Silicon-on-Insulator Technology.

Christian Schweikert, Simon Nau,Niklas Hoppe,Wolfgang Vogel,Manfred Berroth,Georg Rademacher

Optical Fiber Communications Conference and Exhibition（2024）

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摘要

Conventional grating couplers show a tradeoff between low-loss and broadband operation. By using the interference of counter-propagating waves, we demonstrate a grating coupler design with a simulated coupling efficiency-1dB-bandwidth product of 77 nm.

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Coupling Efficiency,Silicon-on-insulator,High Coupling Efficiency,Grating Coupler,Broadband Operation,Optical Fiber,Incident Angle,Waveguide,Figure Of Merit,Wave Events,Photonic Integrated Circuits,Coupling Loss,Standard Single-mode Fiber,Central Gap,Gaussian Mode

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