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pro vyhledávání: '"Kumar, N. Pradeep"'
Ferrite-free circulators that are passive and readily integratable on a chip are highly sought-after in quantum technologies based on superconducting circuits. In our previous work, we implemented such a circulator using a three-Josephson-junction lo
Externí odkaz:
http://arxiv.org/abs/2406.14821
Autor:
Fedorov, Arkady, Kumar, N. Pradeep, Le, Dat Thanh, Navarathna, Rohit, Pakkiam, Prasanna, Stace, Thomas M.
Building large-scale superconducting quantum circuits will require miniaturisation and integration of supporting devices including microwave circulators, which are currently bulky, stand-alone components. Here we report the realisation of a passive o
Externí odkaz:
http://arxiv.org/abs/2308.14643
We propose an in-situ tunable chiral quantum system, composed of a quantum emitter coupled to a waveguide based on the Rice-Mele model (where we alternate both the on-site potentials and tunnel couplings between sites in the waveguide array). Specifi
Externí odkaz:
http://arxiv.org/abs/2212.00108
Autor:
Kumar, N. Pradeep, Hamann, Andrès Rosario, Navarathna, Rohit, Zanner, Maximilian, Pletyukhov, Mikhail, Fedorov, Arkady
Light-matter interaction at the single-quantum level is the heart of many regimes of high fundamental importance to modern quantum technologies. Strong interaction of a qubit with a single photon of an electromagnetic field mode is described by the c
Externí odkaz:
http://arxiv.org/abs/2208.00558
Publikováno v:
Scientific Reports 8, 8801 (2018)
Non-Markovian quantum effects are typically observed in systems interacting with structured reservoirs. Discrete-time quantum walks are prime example of such systems in which, quantum memory arises due to the controlled interaction between the coin a
Externí odkaz:
http://arxiv.org/abs/1802.05478
Publikováno v:
Phys. Rev. A 97, 012116 (2018)
We study the dynamics of discrete-time quantum walk using quantum coin operations, $\hat{C}(\theta_1)$ and $\hat{C}(\theta_2)$ in time-dependent periodic sequence. For the two-period quantum walk with the parameters $\theta_1$ and $\theta_2$ in the c
Externí odkaz:
http://arxiv.org/abs/1711.05920
Autor:
Banerjee, Subhashish, Kumar, N. Pradeep, Srikanth, R., Jagadish, Vinayak, Petruccione, Francesco
In the case of the discrete time coined quantum walk the reduced dynamics of the coin shows non-Markovian recurrence features due to information back-flow from the position degree of freedom. Here we study how this non-Markovian behavior is modified
Externí odkaz:
http://arxiv.org/abs/1703.08004
Autor:
Kumar, N. Pradeep, Kumar, Ashwani, Panneer, D., Abidha, S., Muthukumaravel, S., Sankari, T., Ajithlal, P.M., Mathew, Jessu, Koothradan, Suhana, Paramasivan, R., Muniyaraj, M., Singh, Himmat, Saxena, Rekha, Vijayachari, P., Sunish, I.P., Shriram, A.N., Dutta, Prafulla, Patgiri, Saurav Jyoti, Bhattacharyya, D.R., Hoti, S.L., Chattopadhyay, D., Roy, Subarna, Mahapatra, Namita, Pati, Sanghamitra, Chand, Gyan, Mishra, A.K., Barde, Pradip, Jambulingam, P.
Publikováno v:
In International Journal of Infectious Diseases December 2021 113:119-124
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