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13 March 2024 Reconfigurable memristive active light modulation and detection based on MoTe2
Sangwoo Kim, Junghoon Park, Kyoungsik Yu
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Proceedings Volume PC12888, 2D Photonic Materials and Devices VII; PC128880J (2024) https://doi.org/10.1117/12.2692883
Event: SPIE OPTO, 2024, San Francisco, California, United States
Abstract
In this work, a vertically stacked metal/2H-MoTe2/metal structure was fabricated to take advantage of the optical and electrical properties of two phases of MoTe2. By applying an electric-field, we triggered a reversible, non-volatile phase transition from the 2H phase to the lower-resistance 1T' phase, resulting in a resistance difference of 104 times and an 80% shift in optical reflectance, suitable for active reflective light modulation. When operated as a photodetector, its responsivities at near-infrared wavelengths around 975 nm significantly depend on its phase state, indicating its potential as an active reconfigurable photodetector.
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Sangwoo Kim, Junghoon Park, and Kyoungsik Yu "Reconfigurable memristive active light modulation and detection based on MoTe2", Proc. SPIE PC12888, 2D Photonic Materials and Devices VII, PC128880J (13 March 2024); https://doi.org/10.1117/12.2692883
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KEYWORDS
Photodetectors
Modulation
Lawrencium
Light absorption
Optoelectronic devices
Optoelectronics
Phase shift keying
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