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21 August 2020 2D material-based optoelectronic devices
Volker J. Sorger
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Proceedings Volume 11465, Low-Dimensional Materials and Devices 2020; 114650D (2020) https://doi.org/10.1117/12.2568241
Event: SPIE Nanoscience + Engineering, 2020, Online Only
Abstract
2D materials have a number of intriguing value proposition that could be harnessed for compact, tunable, high-performance optoelectronic devices when heterogeneously integrated in photonic circuits. Here I review our latest work including; (1) tunable TMD-based microring resonator with engineered critical-coupling condition, (2) a broadband graphene plasmon-slot detector (R=0.7A/W), (3) a bandgap-shifted strain-engineered absorption-enhanced MoTe2 photodetector at 1.55um (R=0.5A/W, low-dark-current <10nA@-1V), (4) a record-high responsivity (R=1.4A/W) slot-plasmon exciton-modulated MoTe2 detector, (5) a MoS2 electro-absorption modulator all enabled by our recently developed method of cross-contamination-free yet deterministic dry transfer 2D material ‘printer’ mimicking a 3D printer for enabling rapid prototyping. These devices are based on heterogeneous integration of 2D materials into Silicon and SiN photonics, with the latter used for on-exciton modulation or exciton absorption.
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Volker J. Sorger "2D material-based optoelectronic devices", Proc. SPIE 11465, Low-Dimensional Materials and Devices 2020, 114650D (21 August 2020); https://doi.org/10.1117/12.2568241
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KEYWORDS
Optoelectronic devices
Sensors
Silicon photonics
Graphene
Microrings
Modulators
Photodetectors
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