We show that nanophotonic device performance scales non-monotonically with critical length. Such scaling can be synergistic with the atomistic-scale of 2D materials. The naturally-low modal overlap factor can be engineered to approach 1% for electric in-plane field polarization waveguides, i.e. slot-waveguides. Moreover, we show that a polaritonic mode character (i.e. plasmonic) improves the modulator performance by about 10x due to (i), a lower contact resistance from synergistic use of one contact, and (ii) the higher modal group index. As an example we discuss our demonstration of the 1st sub-1Volt electro-optic modulator based on 2D material plasmonic hybrid integration on Silicon.
Volker J. Sorger, "Extra-ordinary modulators with 2D photonic materials (Conference Presentation)," Proc. SPIE 10345, Active Photonic Platforms IX, 103450U (Presented at SPIE Nanoscience + Engineering: August 07, 2017; Published: 25 September 2017); https://doi.org/10.1117/12.2271716.5588434933001.
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