Hong-Ou-Mandel cloning: Quantum copying without an ancilla

Irfan Ali Khan*, John C. Howell

*Corresponding author for this work

Research output: Contribution to journalConference articlepeer-review


We report on the first experimental 1→2, ancilla-free, phase-covariant quantum cloner by utilizing Hong-Ou-Mandel interference to clone photon polarization states. Using only linear optics, this Fock state non-perturbative cloner is an ideal BB84 evesdropping device.

Original languageAmerican English
Pages (from-to)113-115
Number of pages3
JournalOSA Trends in Optics and Photonics Series
StatePublished - 2004
Externally publishedYes
EventInternational Quantum Electronics Conference, IQEC - San Francisco, CA, United States
Duration: 21 May 200426 May 2004


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