1 March 2010 Ultrafast silicon-plasmonic modulators
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Several silicon-based plasmonic waveguides are proposed for long propagation and ultrafast all-optical modulation and switching applications. Above-bandgap femtosecond pump pulses are used to generate free carriers in ion-implanted silicon, resulting in ultrafast nonlinear phase and amplitude modulation. It is demonstrated that by carefully designing a 5-layer device from silver, ion-implanted silicon and air, it is possible to achieve long propagation distances (~100μm), or switching times of 5ps and an on-off contrast of 35dB.
© (2010) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
S. Sederberg, S. Sederberg, Z. Han, Z. Han, V. Vien, V. Vien, A. Y. Elezzabi, A. Y. Elezzabi, "Ultrafast silicon-plasmonic modulators", Proc. SPIE 7600, Ultrafast Phenomena in Semiconductors and Nanostructure Materials XIV, 760013 (1 March 2010); doi: 10.1117/12.842023; https://doi.org/10.1117/12.842023


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