We present a direct UV written integrated photonic circuit with on-chip phase control through a thermo-optic phase shifter. An arbitrary beam splitter and a two-photon N00N state are demonstrated with high visibility interference.
© 2010 The Optical Society
N. L. Thomas-Peter, B. J. Smith, D. Kundys, P. G. Smith, and I. A. Walmsley, "Phase-controlled Photonic Quantum Circuits in Laser Written Integrated Optics," in Conference on Lasers and Electro-Optics 2010, OSA Technical Digest (CD) (Optical Society of America, 2010), paper QThG2.