SUNY Poly Associate Professor of Nanoengineering Dr. Spyros Galis and sole researcher and first author, Alex Kaloyeros, recently published a paper in the Applied Physics Letters journal, titled “Polarization-dependent photoluminescence properties of fab-compatible nanowire-based nanophotonic structures.”

The research notes, “Herein, we study the polarization dependence of photoluminescence (PL) properties from fab-compatible nanophotonic structures, comprising arrays of ultrathin (20 nm) silicon carbide nanowires (NWs) doped with oxygen and erbium ions. Furthermore, the effect of this anisotropy on the NW carrier dynamics is explored through power-dependence and transient PL measurements. Finally, we demonstrate a translation of this polarization dependence to the technologically significant erbium-induced 1540 nm emission from the erbium centers in the NW arrays. The ability to engineer emission polarization and placement of these centers in the NW array offers a promising platform for emission enhancement of telecom emitters through effective coupling to optical nanocavities for applications in chip-scale photonics and quantum photonics.”

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