High-precision local transfer of van der Waals materials
on nanophotonic structures
Posted on 2020-01-30 - 16:13
Prototyping of van der Waals materials on dense nanophotonic devices requires high-precision monolayer discrimination to avoid bulk material contamination. We use the glass transition temperature of polycarbonate, used in the standard dry transfer process, to draw an in situ point for the precise pickup of two dimensional materials. We transfer transition metal dichalcogenide monolayers onto a large-area silicon nitride spiral waveguide and silicon nitride ring resonators to demonstrate the high-precision contamination-free nature of the modified dry transfer method. Our improved local transfer technique is a necessary step for the deterministic integration of high-quality van der Waals materials onto nanocavities for the exploration of few-photon nonlinear optics on a high-throughput, nanofabricationcompatible platform.
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Rosser, David; Fryett, Taylor; Saxena, Abhi; Ryou, Albert; Majumdar, Arka (2020). High-precision local transfer of van der Waals materials
on nanophotonic structures. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.4809720.v1
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AUTHORS (5)
DR
David Rosser
TF
Taylor Fryett
AS
Abhi Saxena
AR
Albert Ryou
AM
Arka Majumdar