Excitons and High-Order Optical Transitions in Individual Carbon Nanotubes

Stephane Berciaud, 2 Christophe Voisin, 3, ∗ Hugen Yan, Bhupesh Chandra, Robert Caldwell, Yuyao Shan, Louis E. Brus, James Hone, and Tony F. Heinz † Departments of Physics and Electrical Engineering, Columbia University, New York, NY 10027, USA Department of Chemistry, Columbia University, New York, NY 10027, USA Laboratoire Pierre Aigrain, Ecole Normale Superieure, 24 rue Lhomond, 75005 Paris, France Department of Mechanical Engineering, Columbia University, New York, NY 10027, USA