2 papers
quant-ph2018
Optimal quantum preparation contextuality in -bit parity-oblivious multiplexing task
Shouvik Ghorai, A. K. Pan
In [ PRL, 102, 010401 (2009)], Spekkens et al., have shown that quantum preparation contextuality can power the parity-oblivious multiplexing (POM) task. The bound on the optimal s…
quant-ph2018
Composable security of two-way continuous-variable quantum key distribution without active symmetrization
Shouvik Ghorai, Eleni Diamanti, Anthony Leverrier
We present a general framework encompassing a number of continuous-variable quantum key distribution protocols, including standard one-way protocols, measurement-device-independent…