On quantum efficiencies of optical states
Optica Publishing Group (2011) qtuh4
Linear-Optical Processing Cannot Increase Photon Efficiency
Physical Review Letters American Physical Society (APS) 105:20 (2010) 203601
A bridge between the single-photon and squeezed-vacuum states.
Optics Express Optica Publishing Group 18:17 (2010) 18254-18259