Author Affiliations

Yici Guo,¹ P. P. Ho,¹ H. Savage,² D. Harris,² P. Sacks,² S. Schantz,² Feng Liu,³ N. Zhadin,³ and R. R. Alfano³

¹Institute for Ultrafast Spectroscopy and Lasers and New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Department of Electrical Engineering, The City College of New York and Graduate School of The City University of New York, New York, New York 10031

²Memorial Sloan Kettering Cancer Center, 425 East 67 Street, New York, New York 10021

³Institute for Ultrafast Spectroscopy and Lasers and New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Department of Physics, The City College of New York and Graduate School of The City University of New York, New York, New York 10031