Polarization entanglement purification for concatenated Greenberger–Horne–Zeilinger state

Purification of the concatenated Greenberger–Horne–Zeilinger state with linear optics

Entanglement concentration for concatenated Greenberger–Horne–Zeilinger state

Electronic Entanglement Concentration for the Concatenated Greenberger-Horne-Zeilinger State

Efficient entanglement concentration for concatenated Greenberger–Horne–Zeilinger state with the cross-Kerr nonlinearity

Efficient entanglement purification for Greenberger–Horne–Zeilinger states via the distributed parity-check detector

Generation of concatenated Greenberger–Horne–Zeilinger-type entangled coherent state based on linear optics