7.2k citations · 14.2k across the 39 of their papers we have counts for
Showing 2012 · quant-phShow all
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quant-ph2012★ 109 cited
Quantum limits on phase-preserving linear amplifiers
Carlton M. Caves, Joshua Combes, Zhang Jiang +1
The purpose of a phase-preserving linear amplifier is to make a small signal larger, regardless of its phase, so that it can be perceived by instruments incapable of resolving the…
quant-ph2012★ 6 cited
Ancilla models for quantum operations: For what unitaries does the ancilla state have to be physical?
Zhang Jiang, Marco Piani, Carlton M. Caves
Any evolution described by a completely positive trace-preserving linear map can be imagined as arising from the interaction of the evolving system with an initially uncorrelated a…