[1] College of Optics and Photonics, CREOL, University of Central Florida, 4000 Central Florida Blvd, Orlando, FL 32816, United States
[2] Institut national de la recherché scientifique, Université du Québec, Varennes, QC J3X 1S2, Canada
[3] Centre de Recherche en Nanofabrication et en Nanocaractérisation, CRN, Université de Sherbrooke, Sherbrooke, QC J1K2R1, Canada
[4] Physics Department, University of Arkansas, Fayetteville, AR 72701, United States
[5] Department of Physics, Utah State University, Logan, UT 84322, United States