Wavelength Selective Beam Switching Using Electrically Driven Nano-Strip MIM Tunnel Junctions

Kishen, Saurabh and Tapar, Jinal and Emani, Naresh Kumar (2022) Wavelength Selective Beam Switching Using Electrically Driven Nano-Strip MIM Tunnel Junctions. In: 2022 Workshop on Recent Advances in Photonics, WRAP 2022, 4 March 2022 through 6 March 2022, Mumbai.

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Tunable directional emission from electrically driven sources is essential for applications involving on-chip nano-circuits, sensing and quantum information processing. Here, we numerically demonstrate wavelength selective, switchable directional emission from periodic, nano-strip metal-insulator-metal tunnel junctions. Using two excitation sources, we show that our structure can efficiently redirect two different wavelengths in opposite directions when the excitation is switched. We achieved a peak directivity of 21.5 and 25.8 for wavelengths of 692 nm and 738 nm, respectively. The emission angle can be tuned by varying the periodicity, thereby paving the way for on-chip multiplexing. © 2022 IEEE.

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IITH Creators:
IITH CreatorsORCiD
Emani, Naresh Kumarhttps://orcid.org/0000-0002-0488-921X
Item Type: Conference or Workshop Item (Paper)
Additional Information: ACKNOWLEDGMENT This work is supported by Science and Engineering Research Board (ECR/2018/002452, SB/S2/RJN-007/2017); Ministry of Education (STARS/APR2019/NS/774). S.K. and J.T. acknowledge the Ministry of Education (MOE), Government of India, for the research fellowship to undertake their Ph.D. studies.
Uncontrolled Keywords: beam switching; electrically driven; inelastic electron tunneling; metal-insulator-metal; tunable; wavelength selective
Subjects: Electrical Engineering
Divisions: Department of Electrical Engineering
Depositing User: . LibTrainee 2021
Date Deposited: 20 Jul 2022 07:57
Last Modified: 20 Jul 2022 07:57
URI: http://raiith.iith.ac.in/id/eprint/9804
Publisher URL: http://doi.org/10.1109/WRAP54064.2022.9758324
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