Talk:Linear optical quantum computing

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	This article was accepted on 18 December 2013 by reviewer Azaghal of Belegost (talk · contribs).

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Qubit encoding

There seems to be some inconsistency in the encodings used for qubits in optical modes in this article. Qubits and modes seems to describe encoding a single qubit per mode by the presence of absence of a photon, whereas the Hadamard in Implementations of elementary quantum gates is clearly encoded in two modes, presumably by which mode the photon is in. I attempted to clarify the diagrams for Hadamrd and CNOT in light of this, but if possible sticking primarily to one encoding (while mentioning the other as an alternative) might make the article more accessible. — Preceding unsigned comment added by Azaghal of Belegost (talk • contribs) 07:49, 25 January 2014 (UTC)[reply]

Inconsistent figure

The picture showing the implementation of the CNOT gate does not seem right. While the top part indeed shows a CNOT implementation, the implementation shown in the bottom part uses only one input qubit (and hence cannot be a controlled gate). --2001:67C:10EC:52CB:8000:0:0:13FA (talk) 16:11, 15 July 2016 (UTC)[reply]