338 citations · 1.7k across the 29 of their papers we have counts for
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quant-ph2012★ 29 cited
Non-deterministic noiseless amplification via non-symplectic phase space transformations
Nathan Walk, Austin P. Lund, Timothy C. Ralph
We analyse the action of an ideal noiseless linear amplifier operator, $g^\hat{n}$, using the Wigner function phase space representation. In this setting we are able to clarify the…
quant-ph2012★ 50 cited
Quantum Communication with an Accelerated Partner
T. G. Downes, T. C. Ralph, N. Walk
An unsolved problem in relativistic quantum information research is how to model efficient, directional quantum communication between localised parties in a fully quantum field the…