* Corresponding authors

^a Department of Chemistry, Columbia University, New York, New York 10027, USA
E-mail: lcampos@columbia.edu

^b Department of Physics, Graduate Center, City University of New York, New York, NY 10016, USA
E-mail: msfeir@gc.cuny.edu

^c Department of Chemistry, Graduate Center, City University of New York, New York, NY 10016, USA

^d Photonics Initiative, Advanced Science Research Center, City University of New York, New York, NY 10031, USA