Abstract

A Schottky contact detector comprising a symmetric metal stripe buried in Si, capable of detecting surface plasmons at wavelengths below the bandgap of Si, is described. A model for the detector is proposed, and its performance is assessed at λ0=1550  nm assuming a CoSi2 stripe in p-type Si. End-fire coupled responsivities of about 0.1 A/W and minimum detectable powers of about −20 dBm are predicted at room temperature.

© 2010 Optical Society of America

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