TY - DATA
T1 - Data/software underlying the publication: Enumerating all bilocal Clifford distillation protocols through symmetry reduction
PY - 2021/09/22
AU - Sébastian de Bone
AU - Kenneth Goodenough
AU - David Elkouss
AU - Dion Gijswijt
AU - Sarah Jansen
UR - https://data.4tu.nl/articles/software/Data_software_underlying_the_publication_Enumerating_all_bilocal_Clifford_distillation_protocols_through_symmetry_reduction/15082515/1
DO - 10.4121/15082515.v1
KW - entanglement distillation
KW - Werner state
KW - Quantum communication
KW - distributed quantum computation
N2 - Entanglement distillation is an essential building block in quantum communication protocols. Here, we study the class of near-term implementable distillation protocols that use bilocal Clifford operations followed by a single round of communication.  We introduce tools to enumerate and optimise over all protocols for up to n=5 (not necessarily equal) Bell-diagonal states using a commodity desktop computer. Furthermore, by exploiting the symmetries of the input states, we find all protocols for up to n=8 copies of a Werner state. For the latter case, we present circuits that achieve the highest fidelity with perfect operations and no decoherence. These circuits have modest depth and number of two-qubit gates. Our results are based on a correspondence between distillation protocols and double cosets of the symplectic group, and improve on previously known protocols.
ER -