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Conferences > CLEO_SI > 2014 > STh3M > STh3M.5

Unidirectional Chip-to-Fiber Grating Couplers in Unmodified 45nm CMOS Technology

Mark T. Wade, Rajesh Kumar, Kareem Nammari, Cale M. Gentry, Jeffrey M. Shainline, Jason S. Orcutt, Ananth Tamma, Rajeev Ram, Vladimir Stojanović, and Miloš A. Popović

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Abstract

We propose and demonstrate the first asymmetric unidirectional grating couplers fabricated in a 45nm unmodified CMOS process. Measured coupling efficiency from fiber-to-chip is ∼ 40 %. Simulations show >70% efficiency is achievable with same design.

© 2014 Optical Society of America

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