71 citations · 377 across the 32 of their papers we have counts for
33 papers
Optical interferometric tools for probing memory effects
Saheli Mukherjee, Bivas Mallick, Samyadeb Bhattacharya +2
Recent efforts to detect non-Markovian memory have become increasingly important, motivated by the broad relevance of memory effects in quantum information processing, metrology, a…
Promise and Challenges of Distimation
Joshua Carlo A. Casapao, Ananda G. Maity, Naphan Benchasattabuse +4
Estimating the quality of raw entangled states and distilling high-fidelity entanglement traditionally require two separate link-layer protocols in a quantum network stack, each co…
Quantum SWITCH-induced non-Markovianity is not entirely quantum
Rajeev Gangwar, Ananda G. Maity
Indefinite causal order extends quantum information processing beyond fixed causal structures, with the quantum SWITCH serving as its canonical realization. By coherently superposi…
Operational certification of nonclassicality in arbitrary quantum states from few copies
Sudip Chakrabarty, Bivas Mallick, Ananda G. Maity +1
States with negative Wigner functions constitute a fundamental nonclassical resource underlying quantum advantage. However, their experimental certification typically relies on rec…
Detection of quantum imaginarity using moments and its interferometric realization
Sudip Chakrabarty, Saheli Mukherjee, Ananda G. Maity +1
Complex numbers, intrinsic to the formulation of quantum theory, play a pivotal role in enabling advantages across a broad range of quantum information-processing tasks. Despite th…
Efficient graph-diagonal characterization of noisy states distributed over quantum networks via Bell sampling
Zherui Jerry Wang, Joshua Carlo A. Casapao, Naphan Benchasattabuse +6
Graph states are an important class of entangled states that serve as a key resource for distributed information processing and communication in quantum networks. In this work, we…
Gottesman-Knill Limit on One-way Communication Complexity: Tracing the Quantum Advantage down to Magic Resources
Snehasish Roy Chowdhury, Sahil Gopalkrishna Naik, Ananya Chakraborty +5
Quantum systems are known to offer advantages over their classical counterpart in communication complexity protocols, where the aim is to minimize the amount of information exchang…
Probing Kirkwood-Dirac nonpositivity and its operational implications via moments
Sudip Chakrabarty, Bivas Mallick, Saheli Mukherjee +1
The Kirkwood-Dirac (KD) distribution has recently emerged as a powerful quasiprobability framework with wide-ranging applications in quantum information processing tasks. In this w…
Detecting genuine multipartite entanglement using moments of positive maps
Saheli Mukherjee, Bivas Mallick, Sahil Gopalkrishna Naik +2
Genuine multipartite entanglement (GME) represents the strongest form of entanglement in multipartite systems, providing significant advantages in various quantum information proce…
A double selection entanglement distillation-based state estimator
Joshua Carlo A. Casapao, Ananda G. Maity, Naphan Benchasattabuse +4
With the advent of practical quantum communication networks drawing closer, there is a growing need for reliable estimation protocols that can efficiently characterize quantum reso…
A finite sufficient set of conditions for catalytic majorization
David Elkouss, Ananda G. Maity, Aditya Nema +1
The majorization relation has found numerous applications in mathematics, quantum information and resource theory, and quantum thermodynamics, where it describes the allowable tran…
Bayesian Optimization for Repeater Protocols
Lorenzo La Corte, Kenneth Goodenough, Ananda G. Maity +2
Efficiently distributing secret keys over long distances remains a critical challenge in the development of quantum networks. "First-generation" quantum repeater chains distribute…
Higher-dimensional entanglement detection and quantum channel characterization using moments of generalized positive maps
Bivas Mallick, Ananda G. Maity, Nirman Ganguly +1
Higher-dimensional entanglement is a valuable resource for several quantum information processing tasks, and is often characterized by the Schmidt number and specific classes of en…
Disti-Mator: an entanglement distillation-based state estimator
Joshua Carlo A. Casapao, Ananda G. Maity, Naphan Benchasattabuse +3
Minimizing both experimental effort and consumption of valuable quantum resources in state estimation is vital in practical quantum information processing. Here, we explore charact…
Efficient detection of nonclassicality using moments of the Wigner function
Bivas Mallick, Sudip Chakrabarty, Saheli Mukherjee +2
States with a negative Wigner function, a significant subclass of nonclassical states, serve as a valuable resource for various quantum information processing tasks. Here, we provi…
Noise estimation in an entanglement distillation protocol
Ananda G. Maity, Joshua C. A. Casapao, Naphan Benchasattabuse +3
Estimating noise processes is an essential step for practical quantum information processing. Standard estimation tools require consuming valuable quantum resources. Here we ask th…
Interplay between the Hilbert-space dimension of a control system and the memory induced by a quantum SWITCH
Saheli Mukherjee, Bivas Mallick, Sravani Yanamandra +2
Several recent studies have demonstrated the utility of the quantum SWITCH as an important resource for enhancing the performance of various information processing tasks. In a quan…
Emergent non-Markovianity and dynamical quantification of the quantum switch
Vishal Anand, Ananda G. Maity, Subhadip Mitra +1
We investigate the dynamical aspects of the quantum switch and find a particular form of quantum memory emerging out of the switch action. We first analyze the loss of information…
Noise is resource-contextual in quantum communication
Aditya Nema, Ananda G. Maity, Sergii Strelchuk +1
Estimating the information transmission capability of a quantum channel remains one of the fundamental problems in quantum information processing. In contrast to classical channels…
Assessing non-Markovian dynamics through moments of the Choi state
Bivas Mallick, Saheli Mukherjee, Ananda G. Maity +1
Non-Markovian effects in open quantum system dynamics usually manifest backflow of information from the environment to the system, indicating complete-positive divisibility breakin…
Quantum superposition of causal structures as a universal resource for local implementation of nonlocal quantum operations
Pratik Ghosal, Arkaprabha Ghosal, Debarshi Das +1
Spatial separation restricts the set of locally implementable quantum operations on distributed multipartite quantum systems. We propose that indefinite causal structure arising du…
Activating information backflow with the assistance of quantum SWITCH
Ananda G. Maity, Samyadeb Bhattacharya
There are certain dynamics while being non-Markovian, do never exhibit information backflow. We show that if two such dynamical maps are considered in a scenario where the order of…
Role of nonclassical temporal correlation in powering quantum random access codes
Subhankar Bera, Ananda G. Maity, Shiladitya Mal +1
We explore the fundamental origin of the quantum advantage behind random access code. We propose new temporal inequalities compatible with noninvasive-realist models and show that…
Robust certification of arbitrary outcome quantum measurements from temporal correlations
Debarshi Das, Ananda G. Maity, Debashis Saha +1
Certification of quantum devices received from unknown providers is a primary requirement before utilizing the devices for any information processing task. Here, we establish a pro…