Institution: | a Institute 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 the City University of New York, Convent Avenue at 138th Street, New York, NY 10031, United States b Institute for Ultrafast Spectropscopy and Lasers, and New York State Center for Advanced Technology for Ultrafast Photonic Materials and Applications, Department of Physics, The City College of the City University of New York, Convent Avenue at 138th Street, New York, NY 10031, United States c Washington University School of Medicine, 4525 Scott Avenue, St. Louis, MO 63110, United States |