P15 – Diagnostics of quantum devices

Borivoje Dakic


Tensor networks provide a new paradigm in many body physics by which the entanglement structure of the correlated system may be probed directly. Symmetries, topological phases and the breaking thereof are reflected in the symmetries of local tensors. Such a tensor network description of a quantum many body system or quantum field theory automatically yields a quantum circuit description, from which a quantum computer would be able to simulate such field theories. Conversely, representing entangled states of matter on a quantum computer is tightly linked to the problem of quantum error correction, as it is precisely the nonlocal degrees of freedom which can be exploited to safeguard the individual qubits.


Subproject Leader: Borivoje Dakic

Co-PI: Joshua Morris

PhDs: Miguel Gallego, Sebastian Horvat


Accessing inaccessible information via quantum indistinguishability
S. Horvat and B. Dakić
New J. Phys. 25, 113008 (2023)

Universal quantum computation via quantum controlled classical operations
S. Horvat, X. G. Gao, B. Dakić
J. Phys. A: Math. Theor. 55 075301 (2022)

Quantum verification with few copies
J. Morris, V. Saggio, A. Gočanin, B. Dakić
Adv. Quantum Technol. 2100118 (2022)

Experimental photonic quantum memristor
M. Spagnolo, J. Morris, S. Piacentini, M. Antesberger, F. Massa, A. Crespi, F. Ceccarelli, R. Osellame, P. Walther
Nature Photonics 16, 318–323 (2022)

Sample-Efficient Device-Independent Quantum State Verification and CertificationA. Gočanin, I. Šupić, and B. Dakić
PRX Quantum 3, 010317 (2022)

Interference as an information-theoretic games
S. Horvat and B. Dakić
Quantum 5, 404 (2021)

Quantum enhancement to information speed acquisition
S. Horvat, B. Dakić
New J. Phys. 23 033008, (2021)

Higher-order interference between multiple quantum particles interacting nonlinearly
L. A. Rozema, Z. Zhuo, T. Paterek, B. Dakić
Phys. Rev. A 103, 052204 (2021)

Macroscopically nonlocal quantum correlations
M. Gallego, B. Dakić
Phys. Rev. Lett. 127, 120401 (2021)

Bell's theorem for trajectories
D. Gočanin, A. Dimić, F. Del Santo, B. Dakić
Phys. Rev. A 102, 020201 (2020)

Fourier Transform of the Orbital Angular Momentum of a Single Photon
J. Kysela, X. Gao, B. Dakić
Phys. Rev. Applied 14, 034036 (2020)

Coherence Equality and Communication in a Quantum Superposition
F. Del Santo and B. Dakić
Phys. Rev. Lett. 124, 190501 (2020)

Experimental few-copy multipartite entanglement detection
V. Saggio, A. Dimić, C. Greganti, L. A. Rozema, P. Walther, B. Dakić
Nature Physics 15 (2019)

Experimental Two‐Way Communication with One Photon
F. Massa, A. Moqanaki, Ä. Baumeler, F. Del Santo, J. A. Kettlewell, B. Dakić, P. Walther,
Advanced Quantum Technologies (2019)

Verifying Multi-Partite Entanglement with a Few Detection Events
L. A. Rozema, V. Saggio, A. Dimić, C. Greganti, P. Walther, B. Dakić
In Conference on Lasers and Electro-Optics 2019, OSA Technical Digest (Optical Society of America, 2019) paper FM2M.7

Verifying Multi-Particle Entanglement with a Few Detection Events
V. Saggio, A. Dimić, C. Greganti, L. A. Rozema, P. Walther, B. Dakić,
In Quantum Information and Measurement (QIM) V: Quantum Technologies, OSA Technical Digest (Optical Society of America, 2019) paper F5A.7

Selective Quantum State Tomography
J. Morris, B. Dakić
preprint arXiv.1909.05880

Experimental Higher-Order Interference in a Nonlinear Triple Slit
P. Namdar, P. K. Jenke, I. A. Calafell, A. Trenti, M. Radonjić, B. Dakić, P. Walther, L. A. Rozema
preprint arXiv.2112.06965

Comment on "Quantum principle of relativity
F.D. Santo and S. Horvat
New Journal of Physics, Volume 24 (2022)


For further publications: see here.