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Continuous variable quantum teleportation, invariant squeezing and non-Gaussian resource states
Mohak Sharma, Chandan Kumar, Shikhar Arora +1
We investigate the role of quadrature squeezing in the quantum teleportation protocol for coherent states, using non-Gaussian resource states. For the two-mode systems, the non-Gau…
Continuous variable quantum teleportation using photon subtracted and photon added two mode squeezed coherent state
Shikhar Arora, Chandan Kumar, Arvind
We consider non-Gaussian states generated by photon subtraction (PS) and photon addition (PA) on two-mode squeezed coherent (TMSC) states, as resource states for continuous variabl…
Optimization of state parameters in displacement assisted photon subtracted measurement-device-independent quantum key distribution
Chandan Kumar, Sarbani Chatterjee, Arvind
Non-Gaussian operations, in particular, photon subtraction (PS), have been shown to enhance the performance of various quantum information processing tasks including continuous var…
No real advantage of photon subtraction and displacement in continuous variable measurement device independent quantum key distribution
Chandan Kumar, Sarbani Chatterjee, Arvind
We critically analyse the role of single photon subtraction (SPS) and displacement in improving the performance of continuous variable measurement device independent quantum key di…