31 citations · 93 across the 23 of their papers we have counts for
22 papers · 1 filter
High fidelity preservation of photonic hyperentanglement in a free-space optical delay line
Yu Guo, Arya Chowdhury, Pranay Tiwari +3
Photonic hyperentanglement enables increased information capacity and enhanced functionality for quantum communication and networking. However, synchronization of hyperentangled ph…
Highly Efficient and Broadband Optical Delay Line towards a Quantum Memory
Yu Guo, Anindya Banerji, Jia Boon Chin +2
We demonstrate a high-efficiency, free space optical delay line utilizing a nested multipass cell architecture. This design supports extended optical paths with low loss, aided by…
Generalized Teleportation Fidelity and Singlet Fraction and their Relation for (In)-distinguishable Particles and Its Applications
Soumya Das, Goutam Paul, Anindya Banerji
Quantum teleportation efficiently transfers quantum information between distant locations by utilizing a pre-established composite system. Assessing the effectiveness of teleportat…
Investigating a Device Independence Quantum Random Number Generation
Vardaan Mongia, Abhishek Kumar, Shashi Prabhakar +2
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…
Use of Non-Maximal entangled state for free space BBM92 quantum key distribution protocol
Ayan Biswas, Sarika Mishra, Satyajeet Patil +3
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…
A privacy-preserving publicly verifiable quantum random number generator
Tanvirul Islam, Anindya Banerji, Chin Jia Boon +5
Verifying the quality of a random number generator involves performing computationally intensive statistical tests on large data sets commonly in the range of gigabytes. Limitation…
High quality entanglement distribution through telecommunication fiber using near-infrared non-degenerate photon pairs
Rui Wang, Anindya Banerji, Alexander Ling
For practical quantum communications, the efficiency of the entire system (source, quantum channel and detectors) must be taken into account. In many urban environments, the quantu…
Deterministic Preparation of Non-Gaussian Quantum States: Applications in Quantum Information Protocols
Anindya Banerji, Graciana Puentes
We report a scheme for deterministic preparation of non-Gaussian quantum states on-demand. In contrast to probabilistic approaches for preparation of non-Gaussian quantum states, c…
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…
Polarization-orbital angular momentum duality assisted entanglement observation for indistinguishable photons
Nijil Lal, Sarika Mishra, Anju Rani +3
Duality in the entanglement of identical particles manifests that entanglement in only one variable can be revealed at a time. We demonstrate this using polarization and orbital an…
Generation of High-Order Vortex States from Two-Mode Squeezed States
Graciana Puentes, Anindya Banerji
We report a scheme for generation of high-order vortex states using two-mode photon-number squeezed states, generated via the non-linear process of Spontaneous Parametric Down Conv…
Maximum Violation of Monogamy of Entanglement for Indistinguishable Particles by Measures that are Monogamous for Distinguishable Particles
Goutam Paul, Soumya Das, Anindya Banerji
Two important results of quantum physics are the \textit{no-cloning} theorem and the \textit{monogamy of entanglement}. The former forbids the creation of an independent and identi…
Hyper-hybrid entanglement, indistinguishability, and two-particle entanglement swapping
Soumya Das, Goutam Paul, Anindya Banerji
Hyper-hybrid entanglement for two indistinguishable bosons has been recently proposed by Li \textit{et al.} [Y. Li, M. Gessner, W. Li, and A. Smerzi, \href{https://doi.org/10.1103/…
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…
Single photon sources with different spatial modes
Nijil Lal, Anindya Banerji, Ayan Biswas +2
We study the correlation properties of single photons carrying orbital angular momentum (OAM) in a Hanbury Brown and Twiss (HBT) type experiment. We have characterized single photo…
Engineering of orbital angular momentum spectrum of down-converted photons with mode-invariant pump
Anindya Banerji, Ali Anwar, Hrushikesh Sable +2
In this article we investigate the orbital angular momentum spectrum of photons produced in parametric down conversion process. We study how the transverse profile of the pump mode…
Higher order quantum vortex
Anindya Banerji, Ravindra P. Singh, Abir Bandyopadhyay
In this article we present a quantum theoretical framework of photons entangled in higher order modes like Ince-Gauss modes. Ince-Gauss modes are the natural solution of the quantu…
Generating a perfect quantum optical vortex
Anindya Banerji, Ravindra Pratap Singh, Dhruba Banerjee +1
In this article we introduce a novel quantum state, the perfect quantum optical vortex state which exhibits a highly localised distribution along a ring in the quadrature space. We…
Entanglement propagation of a quantum optical vortex state
Anindya Banerji, Ravindra Pratap Singh, Dhruba Banerjee +1
We study the entanglement evolution of a quantum optical vortex state propagating through coupled lossless waveguides. We consider states generated by coupling two squeezed modes u…
Entanglement measure using Wigner function: case of generalized vortex state formed by multiphoton subtraction
Anindya Banerji, Ravindra P. Singh, Abir Bandyopadhyay
The negativity of the Wigner function is discussed as a measure of the non classicality and the quantum interference pattern obtained therein as a possible measure of the entanglem…
Optical vortex produced by Single Photon Subtraction from two mode squeezed state Produces Maximum Entanglement
Abir Bandyopadhyay, Anindya Banerji, R. P. Singh
In this article we report that the entanglement produced by single photon subtraction is maximum, by studying the entanglement of multi photon subtraction from two mode squeezed st…
Quadrature Uncertainty and Information Entropy of Quantum Elliptical Vortex States
Anindya Banerji, Prasanta K. Panigrahi, Ravindra Pratap Singh +2
We study the quadrature uncertainty of the quantum elliptical vortex state using the associated Wigner function. Deviations from the minimum uncertainty states were observed due to…