corner
corner

Phys. Rev. A 66, 024308 (2002) [3 pages]

Quantum phase gate for photonic qubits using only beam splitters and postselection

Download: PDF (35 kB) Buy this article Export: BibTeX or EndNote (RIS)

Holger F. Hofmann and Shigeki Takeuchi
CREST, Japan Science and Technology Corporation (JST), Research Institute for Electronic Science, Hokkaido University, Kita-12 Nishi-6, Kita-ku, Sapporo 060-0812, Japan

Received 18 November 2001; published 8 August 2002

We show that a beam splitter of reflectivity one-third can be used to realize a quantum phase gate operation if only the outputs conserving the number of photons on each side are postselected.

© 2002 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevA.66.024308
DOI:
10.1103/PhysRevA.66.024308
PACS:
03.67.Lx, 42.50.-p