activity
20102025
most citedScaling of losses with size and wavelength in nanoplasmonics and metamaterials

118 citations · 362 across the 15 of their papers we have counts for

collaborators

15 papers

physics.app-ph2025

Study of electronic band alignment in SiGeSn/GeSn quantum well via internal photoemission effect

Justin Rudie, Huong Tran, Yang Zhang +10

SiGeSn-based optoelectronic devices, which operate across a broad infrared wavelength range, have attracted significant attention, particularly heterostructures utilizing quantum w…

physics.app-ph2020★ 2 cited

Electrically injected GeSn lasers with peak wavelength up to 2.7 micrometer at 90 K

Yiyin Zhou, Solomon Ojo, Yuanhao Miao +15

GeSn lasers enable monolithic integration of lasers on the Si platform using all-group-IV direct-bandgap materials. Although optically pumped GeSn lasers have made significant prog…

physics.app-ph2020★ 3 cited

Electrically injected GeSn lasers on Si operating up to 100 K

Yiyin Zhou, Yuanhao Miao, Solomon Ojo +14

The significant progress of GeSn material development has enabled a feasible solution to the long-desired monolithically integrated lasers on the Si platform. While there are many…

cond-mat.mtrl-sci2020

Strain effects on Phase-Filling Singularities in Highly Doped n-Type Ge

Zhigang Song, Wei-Jun Fan, C. S. Tan +4

Recently, Chi Xu et al. predicted the phase-filling singularities (PFS) in the optical dielectric function (ODF) of the highly doped -type Ge and confirmed in experiment the PFS…

physics.app-ph2019★ 48 cited

Band structure of strained GeSn alloy: a full-zone 30-band model

Zhigang Song, Weijun Fan, Chuan Seng Tan +4

We extend the previous 30-band model effectively employed for relaxed GeSn alloy to the case of strained GeSn alloy. The strain-relevant p…

physics.app-ph2019★ 1 cited

Si-based GeSn photodetectors towards mid-infrared imaging applications

Huong Tran, Thach Pham, Joe Margetis +13

This paper reports a comprehensive study of Si-based GeSn mid-infrared photodetectors, which includes: 1) the demonstration of a set of photoconductors with Sn compositions ranging…