• Corpus ID: 235436018

Boson Sampling in a reconfigurable continuously-coupled 3D photonic circuit

@inproceedings{Hoch2021BosonSI,
  title={Boson Sampling in a reconfigurable continuously-coupled 3D photonic circuit},
  author={Francesco Hoch and Simone Piacentini and Taira Giordani and Zhen-Nan Tian and Mariagrazia Iuliano and Chiara Esposito and Anita Camillini and Gonzalo Carvacho and Francesco Ceccarelli and Nicol{\'o} Spagnolo and Andrea Crespi and Fabio Sciarrino and Roberto Osellame},
  year={2021}
}
Francesco Hoch,1, ∗ Simone Piacentini,2, 3, ∗ Taira Giordani,1 Zhen-Nan Tian,3 Mariagrazia Iuliano,1 Chiara Esposito,1 Anita Camillini,1 Gonzalo Carvacho,1 Francesco Ceccarelli,3 Nicolò Spagnolo,1 Andrea Crespi,2, 3 Fabio Sciarrino,1, † and Roberto Osellame3, 2, ‡ Dipartimento di Fisica, Sapienza Università di Roma, Piazzale Aldo Moro 5, I-00185 Roma, Italy Dipartimento di Fisica, Politecnico di Milano, Piazza Leonardo da Vinci, 32, I-20133 Milano, Italy Istituto di Fotonica e Nanotecnologie… 

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This work experimentally demonstrate the largest scale boson sampling in the collision-free dominant regime using multi-port interferometer in a 3D photonic chip and represents a solid step toward large scale bosons sampling.

Super-stable tomography of any linear optical device

Linear optical circuits of growing complexity are playing an increasing role in emerging photonic quantum technologies. Individual photonic devices are typically described by a unitary matrix

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This work presents a genuine 2D quantum walk with correlated photons on a triangular photonic lattice, which can be mapped to a state space up to 37X37 dimensions and breaks through the physically restriction of single-particle evolution.

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This work studies the classical complexity of the exact Boson Sampling problem where the objective is to produce provably correct random samples from a particular quantum mechanical distribution and gives an algorithm that is much faster, running in O(n 2^n + \operatorname{poly}(m,n)) time and additional space.

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