Author Affiliations

Pierpasquale Tortora,¹ Maxim Abashin,² Iwan Märki,³ Wataru Nakagawa,³ Luciana Vaccaro,³ Martin Salt,³ Hans Peter Herzig,³ Uriel Levy,⁴ and Yeshaiahu Fainman⁴

¹Institute of Microtechnology, University of Neuchâtel, Rue A. -L. Breguet 2, 2000 Neuchâtel, Switzerland

²Dept. of Electrical and Computer Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0407, U.S.A.

³Institute of Microtechnology, University of Neuchâtel, Rue A.-L. Breguet 2, 2000 Neuchâtel, Switzerland

⁴Dept. of Electrical and Computer Engineering, University of California, San Diego, 9500 Gilman Drive, La Jolla, California 92093-0407, U.S.A.