Plasmonic uni-traveling-carrier photodiode

Bojian Zhang; Liang Wang

doi:10.1117/12.2577098

5 March 2021 Plasmonic uni-traveling-carrier photodiode

Bojian Zhang, Liang Wang

Proceedings Volume 11675, Synthesis and Photonics of Nanoscale Materials XVIII; 1167503 (2021) https://doi.org/10.1117/12.2577098
Event: SPIE LASE, 2021, Online Only

Abstract

The high-speed photodetector represented by uni-traveling-carrier photodiode is developing towards a higher bandwidth design. The high-bandwidth design will be constrained by the reduced responsivity of the device. Plasmonic photodetectors, due to their ability to confine light at the surface of the metal, can perform light-matter interaction with absorbing materials on a deep subwavelength scale, which providing a new design direction for higher speed photodetectors. We report a high-speed photodetector design that combines uni-traveling-carrier photodiode and plasmonic resonance to achieve a two-fold improvement in device responsivity. The results reveal that plasmonic uni-traveling-carrier photodiode is a potential choice for high-speed photodetector design.

Conference Presentation

Citation Download Citation

Bojian Zhang and Liang Wang "Plasmonic uni-traveling-carrier photodiode", Proc. SPIE 11675, Synthesis and Photonics of Nanoscale Materials XVIII, 1167503 (5 March 2021); https://doi.org/10.1117/12.2577098

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