Knill-Laflamme-Milburn Linear Optics Quantum Computation as a Measurement-Based Computation
نویسندگان
چکیده
منابع مشابه
Realization of a Knill-Laflamme-Milburn controlled-NOT photonic quantum circuit combining effective optical nonlinearities.
Quantum information science addresses how uniquely quantum mechanical phenomena such as superposition and entanglement can enhance communication, information processing, and precision measurement. Photons are appealing for their low-noise, light-speed transmission and ease of manipulation using conventional optical components. However, the lack of highly efficient optical Kerr nonlinearities at...
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We present a constructive method to translate small quantum circuits into their optical analogues, using linear components of present-day quantum optics technology only. These optical circuits perform precisely the computation that the quantum circuits are designed for, and can thus be used to test the performance of quantum algorithms. The method relies on the representation of several quantum...
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In the paper we claimed that teleportation with |tn〉 satisfies that if 0 < k < n + 1, then the teleported state appears in mode n + k and only needs to be corrected by applying a phase shift. The modes 2n − l are in state 1 for 0 ≤ l < (n − k) and can be reused in future preparations requiring single photons. The modes 2n − l are in state 0 for n − k < l < n. If k = 0 we learn that the input st...
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References: A. M. Childs, D. W. Leung and M. A. Nielsen, “Unified deprivations of measurement-based schemes for quantum computation,” Phys. Rev. A 71 (2005) 032318; arXiv:quant-ph/0404132. D. E. Browne and H. J. Briegel, “One-way Quantum Computation,” arXiv:quant-ph/0603226 M. A. Nielsen, “Cluster-state quantum computation,” Reports on Mathematical Physics 57 (2006) 141; arXiv:quant-ph/0504097v...
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Quantum computers promise to increase greatly the ef®ciency of solving problems such as factoring large integers, combinatorial optimization and quantum physics simulation. One of the greatest challenges now is to implement the basic quantumcomputational elements in a physical system and to demonstrate that they can be reliably and scalably controlled. One of the earliest proposals for quantum ...
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ژورنال
عنوان ژورنال: Physical Review Letters
سال: 2007
ISSN: 0031-9007,1079-7114
DOI: 10.1103/physrevlett.99.250501