Zobrazeno 1 - 10
of 157
pro vyhledávání: '"Prabhakar, Shashi"'
Identifying conservation laws is central to every subfield of physics, as they illuminate the underlying symmetries and fundamental principles. These laws have far-reaching implications, not only enhancing our theoretical understanding but also enabl
Externí odkaz:
http://arxiv.org/abs/2409.09139
Quantum random number generation (QRNG) is a resource that is a necessity in the field of cryptography. However, its certification has been challenging. In this article, we certify randomness with the aid of quantum entanglement in a device independe
Externí odkaz:
http://arxiv.org/abs/2406.01132
Autor:
Sharma, Tanya, Bhavsar, Rutvij, Ramakrishnan, Jayanth, Chandravanshi, Pooja, Prabhakar, Shashi, Biswas, Ayan, Singh, R. P.
In theory, quantum key distribution (QKD) provides unconditional security; however, its practical implementations are susceptible to exploitable vulnerabilities. This investigation tackles the constraints in practical QKD implementations using weak c
Externí odkaz:
http://arxiv.org/abs/2402.19049
Autor:
Chandravanshi, Pooja, Meka, Jaya Krishna, Mongia, Vardaan, Singh, Ravindra P., Prabhakar, Shashi
Linear-feedback shift register (LFSR) based pseudo-random number generator (PRNG) has applications in a plethora of fields. The issue of being linear is generally circumvented by introducing non-linearities as per the required applications, with some
Externí odkaz:
http://arxiv.org/abs/2307.16431
Autor:
Biswas, Ayan, Mishra, Sarika, Patil, Satyajeet, Banerji, Anindya, Prabhakar, Shashi, Singh, Ravindra P.
Satellite-based quantum communication for secure key distribution is becoming a more demanding field of research due to its unbreakable security. Prepare and measure protocols such as BB84 consider the satellite as a trusted device, fraught with dang
Externí odkaz:
http://arxiv.org/abs/2307.02149
Analysing the Grain size and asymmetry of the particle distribution using auto-correlation technique
Autor:
Patnala, Vanitha, Reddy, Salla Gangi, Prabhakar, Shashi, Singh, R. P., Annapureddy, Venkateswarlu
Extracting the grain size from the microscopic images is a rigorous task involving much human expertise and manual effort. While calculating the grain size, we will be utilizing a finite number of particles which may lead to an uncertainty in the mea
Externí odkaz:
http://arxiv.org/abs/2305.03734
Autor:
Rozenberg, Eyal, Karnieli, Aviv, Yesharim, Ofir, Foley-Comer, Joshua, Trajtenberg-Mills, Sivan, Mishra, Sarika, Prabhakar, Shashi, Pratap, Ravindra, Freedman, Daniel, Bronstein, Alex M., Arie, Ady
We propose a novel, physically-constrained and differentiable approach for the generation of D-dimensional qudit states via spontaneous parametric down-conversion (SPDC) in quantum optics. We circumvent any limitations imposed by the inherently stoch
Externí odkaz:
http://arxiv.org/abs/2304.06810
Publikováno v:
Physics Letters A 457, 128583 (2023)
The photon-pairs generated through spontaneous parametric down-conversion (SPDC) possess strong correlations in their transverse position and momentum degrees of freedom. For such photon pairs, the transverse position correlation length depends on th
Externí odkaz:
http://arxiv.org/abs/2207.03751
Autor:
Vanitha, Patnala, Manupati, Bhargavi, Reddy, Salla Gangi, Annapureddy, Venkateswarlu, Prabhakar, Shashi, Singh, R. P.
We propose and experimentally verify a novel scheme for diagnosing the order of a perturbed optical vortex using its 2-D spatial autocorrelation function. The order of a vortex was found to be equal to the number of dark rings or zero points present
Externí odkaz:
http://arxiv.org/abs/2206.02365
Autor:
Mishra, Sarika, Biswas, Ayan, Patil, Satyajeet, Chandravanshi, Pooja, Mongia, Vardaan, Sharma, Tanya, Rani, Anju, Prabhakar, Shashi, Ramachandran, S., Singh, Ravindra P.
Publikováno v:
Journal of Optics 24, 074002 (2022)
Free space quantum communication assumes importance as it is a precursor for satellite-based quantum communication needed for secure key distribution over longer distances. Prepare and measure protocols like BB84 consider the satellite as a trusted d
Externí odkaz:
http://arxiv.org/abs/2112.11961