Split Bull's Eye Antenna for High-Speed Photodetector in the Range of Visible to Mid-Infrared

Meng Yang; Fang Fang Ren; Lin Pu; Long Xiao; Yun Sheng; Junzhuan Wang; Youdou Zheng; Yi Shi

doi:10.1109/LPT.2016.2535219

Split Bull's Eye Antenna for High-Speed Photodetector in the Range of Visible to Mid-Infrared

Meng Yang, Fang Fang Ren, Lin Pu, Long Xiao, Yun Sheng, Junzhuan Wang, Youdou Zheng, Yi Shi

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

Split bull's eye (SBE) antenna was developed to efficiently concentrate electromagnetic energy into an ultra-small area, and thereby enhanced the responsivity of high-speed near-infrared photodetectors. Here, we extend the investigation over a wider spectral range, and analyze the enhancement mechanisms based on finite-difference time-domain simulations. The SBE antenna exhibits far greater transmission enhancement than bull's eye antenna, especially at mid-infrared wavelengths, substantially due to the change in transmission mode from evanescent to propagating and also the induced Fabry-Perot resonances in the central slit. Our results illustrate the SBE antenna is a promising candidate for high-speed photodetection ranging from visible to mid-infrared.

Original language	English
Article number	7429721
Pages (from-to)	1177-1180
Number of pages	4
Journal	IEEE Photonics Technology Letters
Volume	28
Issue number	11
DOIs	https://doi.org/10.1109/LPT.2016.2535219
Publication status	Published - 1 Jun 2016
Externally published	Yes

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title = "Split Bull's Eye Antenna for High-Speed Photodetector in the Range of Visible to Mid-Infrared",

abstract = "Split bull's eye (SBE) antenna was developed to efficiently concentrate electromagnetic energy into an ultra-small area, and thereby enhanced the responsivity of high-speed near-infrared photodetectors. Here, we extend the investigation over a wider spectral range, and analyze the enhancement mechanisms based on finite-difference time-domain simulations. The SBE antenna exhibits far greater transmission enhancement than bull's eye antenna, especially at mid-infrared wavelengths, substantially due to the change in transmission mode from evanescent to propagating and also the induced Fabry-Perot resonances in the central slit. Our results illustrate the SBE antenna is a promising candidate for high-speed photodetection ranging from visible to mid-infrared.",

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author = "Meng Yang and Ren, {Fang Fang} and Lin Pu and Long Xiao and Yun Sheng and Junzhuan Wang and Youdou Zheng and Yi Shi",

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T1 - Split Bull's Eye Antenna for High-Speed Photodetector in the Range of Visible to Mid-Infrared

AU - Yang, Meng

AU - Ren, Fang Fang

AU - Pu, Lin

AU - Xiao, Long

AU - Sheng, Yun

AU - Wang, Junzhuan

AU - Zheng, Youdou

AU - Shi, Yi

PY - 2016/6/1

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AB - Split bull's eye (SBE) antenna was developed to efficiently concentrate electromagnetic energy into an ultra-small area, and thereby enhanced the responsivity of high-speed near-infrared photodetectors. Here, we extend the investigation over a wider spectral range, and analyze the enhancement mechanisms based on finite-difference time-domain simulations. The SBE antenna exhibits far greater transmission enhancement than bull's eye antenna, especially at mid-infrared wavelengths, substantially due to the change in transmission mode from evanescent to propagating and also the induced Fabry-Perot resonances in the central slit. Our results illustrate the SBE antenna is a promising candidate for high-speed photodetection ranging from visible to mid-infrared.

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Split Bull's Eye Antenna for High-Speed Photodetector in the Range of Visible to Mid-Infrared

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