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Updated: May 1, 2026

Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Experimental realization of multipartite entanglement of 60 modes of a quantum optical frequency comb
Moran Chen1, Nicolas C Menicucci2, Olivier Pfister1
1Department of Physics, University of Virginia, Charlottesville, Virginia 22903, USA.
Abstract:
We report the experimental realization and characterization of one 60-mode copy and of two 30-mode copies of a dual-rail quantum-wire cluster state in the quantum optical frequency comb of a bimodally pumped optical parametric oscillator. This is the largest entangled system ever created whose subsystems are all available simultaneously. The entanglement proceeds from the coherent concatenation of a multitude of Einstein, Podolsky, and Rosen pairs by a single beam splitter, a procedure which is also a building block for the realization of hypercubic-lattice cluster states for universal quantum computing.
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