activity
20202025
most citedBBM92 quantum key distribution over a free space dusty channel of 200 meters

33 citations · 41 across the 10 of their papers we have counts for

collaborators

10 papers

quant-ph2025

System design and realisation towards optimising secure key bits in free space QKD

Pooja Chandravanshi, Jayanth Ramakrishnan, Tanya Sharma +2

Quantum Key Distribution (QKD) is rapidly transitioning from cutting-edge laboratory research to real-world deployment in established communication networks. Although QKD promises…

quant-ph2024

Passive polarization-encoded BB84 protocol using a heralded single-photon source

Anju Rani, Vardaan Mongia, Parvatesh Parvatikar +5

The BB84 quantum key distribution protocol set the foundation for achieving secure quantum communication. Since its inception, significant advancements have aimed to overcome exper…

quant-ph2024★ 3 cited

Enhancing key rates of QKD protocol by Coincidence Detection

Tanya Sharma, Rutvij Bhavsar, Jayanth Ramakrishnan +4

In theory, quantum key distribution (QKD) provides unconditional security; however, its practical implementations are susceptible to exploitable vulnerabilities. This investigation…

quant-ph2023★ 2 cited

Mitigating the source-side channel vulnerability by characterization of photon statistics

Tanya Sharma, Ayan Biswas, Jayanth Ramakrishnan +2

Quantum key distribution (QKD) theoretically offers unconditional security. Unfortunately, the gap between theory and practice threatens side-channel attacks on practical QKD syste…

quant-ph2023★ 1 cited

LFSR based RNG on low cost FPGA for QKD applications

Pooja Chandravanshi, Jaya Krishna Meka, Vardaan Mongia +2

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 i…

quant-ph2023

Free Space Continuous Variable Quantum Key Distribution with Discrete Phases

Anju Rani, Pooja Chandravanshi, Jayanth Ramakrishnan +6

Quantum Key Distribution (QKD) offers unconditional security in principle. Many QKD protocols have been proposed and demonstrated to ensure secure communication between two authent…

cs.CR2022★ 1 cited

Real time QKD Post Processing based on Reconfigurable Hardware Acceleration

Foram P Shingala, Natarajan Venkatachalam, Selvagangai C +4

Key Distillation is an essential component of every Quantum Key Distribution system because it compensates the inherent transmission errors of quantum channel. However, throughput…

quant-ph2022★ 33 cited

BBM92 quantum key distribution over a free space dusty channel of 200 meters

Sarika Mishra, Ayan Biswas, Satyajeet Patil +7

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…

quant-ph2021★ 1 cited

Experimental Side Channel Analysis of BB84 QKD Source

Ayan Biswas, Anindya Banerji, Pooja Chandravashi +2

A typical implementation of BB84 protocol for quantum communication uses four laser diodes for transmitting weak coherent pulses, which may not have the same characteristics. We ha…

quant-ph2020

Quantum key distribution with multiphoton pulses: An advantage

Ayan Biswas, Anindya Banerji, Nijil Lal +3

In this article, we introduce a quantum key distribution protocol for the line of sight channels based on coincidence measurements. We present a proof-of-concept implementation of…