Quantum process tomography of entangled photons as a probe of intermediates of singlet fission in a tetracene derivative

27 Sep 2019 Kandada Ajay Ram Srimath Bargigia Ilaria Bittner Eric R. Silva Carlos

Spin-entaglement has been proposed and extensively used in the case of correlated triplet pairs which are intermediate states in singlet fission process in select organic semiconductors. Here, we employ quantum process tomography of polarization entangled photon-pairs resonant with the excited state absorption of these states to investigate the nature of the inherent quantum correlations and to explore for an unambiguous proof for the existence of exciton entanglement...

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  • CHEMICAL PHYSICS
  • MATERIALS SCIENCE
  • QUANTUM PHYSICS