Femtosecond-laser-written directional coupler used as a beam splitter that allows manipulation of photon-state polarization-encoded qubits. Selected for an Editors' Suggestion and a Synopsis in Physics.

From the article:

Polarization Entangled State Measurement on a Chip
Linda Sansoni, Fabio Sciarrino, Giuseppe Vallone, Paolo Mataloni, Andrea Crespi, Roberta Ramponi, and Roberto Osellame
Phys. Rev. Lett. 105, 200503 (2010)

View Issue Table of Contents