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  • 2017 Conference on Lasers and Electro-Optics Pacific Rim
  • (Optica Publishing Group, 2017),
  • paper s1875

Integrated Near-Infrared Photodetector Based on Colloidal HgTe Quantum Dot Loaded Plasmonic Waveguide

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Abstract

We propose and demonstrate an ultracompact near-infrared (NIR) photodetector based on the hybrid integration of a surface plasmon polariton (SPP) optical guiding structure and the colloidal mercury telluride (HgTe) quantum dots (QDs). The photodetector achieves a responsivity of 10 mA/W at low input power. We also show that short ligand exchange process can dramatically increase the conductivity and responsivity of the photodetector.

© 2017 Optical Society of America

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