• Technical Conference:  30 March – 03 April 2025
  • Exhibition: 01 – 03 April 2025
  • Moscone Center, San Francisco, California, USA
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Poster / Demo

A Grating Coupler With High Coupling Efficiency and Large Bandwidth for Silicon-on-Insulator Technology (W2A.7)

Presenter: Christian Schweikert, University of Stuttgart

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.

Authors:Christian Schweikert, University of Stuttgart / Simon Nau, University of Stuttgart / Niklas Hoppe, Q.ANT GmbH / Wolfgang Vogel, University of Stuttgart / Manfred Berroth, University of Stuttgart / Georg Rademacher, University of Stuttgart

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