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7 June 2017 Large-scale frequency- and time-domain quantum entanglement over the optical frequency comb (Conference Presentation)
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Abstract
When it comes to practical quantum computing, the two main challenges are circumventing decoherence (devastating quantum errors due to interactions with the environmental bath) and achieving scalability (as many qubits as needed for a real-life, game-changing computation). We show that using, in lieu of qubits, the "qumodes" represented by the resonant fields of the quantum optical frequency comb of an optical parametric oscillator allows one to create bona fide, large scale quantum computing processors, pre-entangled in a cluster state. We detail our recent demonstration of 60-qumode entanglement (out of an estimated 3000) and present an extension to combining this frequency-tagged with time-tagged entanglement, in order to generate an arbitrarily large, universal quantum computing processor.
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© (2017) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Olivier Pfister "Large-scale frequency- and time-domain quantum entanglement over the optical frequency comb (Conference Presentation)", Proc. SPIE 10193, Ultrafast Bandgap Photonics II, 1019312 (7 June 2017); https://doi.org/10.1117/12.2264549
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