29 citations · 118 across the 25 of their papers we have counts for
15 papers · 1 filter
Gate-level Implementation and Resource Analysis of Lackadaisical Quantum Walk Search
Amit Saha, Debanjan Kola, Nishanka Das +1
Lackadaisical quantum walks (LQW) extend discrete-time quantum walks (DTQW) by introducing weighted self-loops, enabling improved spatial-search performance through controlled loca…
Capability-Adaptive Cryptanalysis with Reduced-Space Quantum Verification
Nivedita Dey, Mrityunjay Ghosh, Pranav Kaushal +2
Efficient integration of cryptanalytic evidence with quantum verification remains a fundamental challenge in hybrid classical-quantum cryptanalysis. This work presents a capability…
Fast classical simulation of qubit-qudit hybrid systems
Haemanth Velmurugan, Arnav Das, Turbasu Chatterjee +3
Simulating quantum circuits is a computationally intensive task that relies heavily on tensor products and matrix multiplications, which can be inefficient. Recent advancements, el…
Robust Implementation of Discrete-time Quantum Walks in Any Finite-dimensional Quantum System
Biswayan Nandi, Sandipan Singha, Ankan Datta +2
Research has shown that quantum walks can accelerate certain quantum algorithms and act as a universal paradigm for quantum processing. The discrete-time quantum walk (DTQW) model,…
FragQC: An Efficient Quantum Error Reduction Technique using Quantum Circuit Fragmentation
Saikat Basu, Arnav Das, Amit Saha +2
Quantum computers must meet extremely stringent qualitative and quantitative requirements on their qubits in order to solve real-life problems. Quantum circuit fragmentation techni…
Robust Quantum Arithmetic Operations with Intermediate Qutrits in the NISQ-era
Amit Saha, Anupam Chattopadhyay, Amlan Chakrabarti
Numerous scientific developments in this NISQ-era (Noisy Intermediate Scale Quantum) have raised the importance for quantum algorithms relative to their conventional counterparts d…
On Fault Tolerance of Circuits with Intermediate Qutrit-assisted Gate Decomposition
Ritajit Majumdar, Amit Saha, Amlan Chakrabarti +1
The use of a few intermediate qutrits for efficient decomposition of 3-qubit unitary gates has been proposed, to obtain an exponential reduction in the depth of the decomposed circ…
QuDiet: A Classical Simulation Platform for Qubit-Qudit Hybrid Quantum Systems
Turbasu Chatterjee, Arnav Das, Subhayu Kumar Bala +3
In the recent years, numerous research advancements have extended the limit of classical simulation of quantum algorithms. Although, most of the state-of-the-art classical simulato…
Discrete-time Quantum Walks in Qudit Systems
Amit Saha, Debasri Saha, Amlan Chakrabarti
Quantum walks contribute significantly to developing quantum algorithms and quantum simulations. Here, we introduce a first of its kind one-dimensional quantum walk in the -dime…
Intermediate Qutrit-based Improved Quantum Arithmetic Operations with Application on Financial Derivative Pricing
Amit Saha, Turbasu Chatterjee, Anupam Chattopadhyay +1
In some quantum algorithms, arithmetic operations are of utmost importance for resource estimation. In binary quantum systems, some efficient implementation of arithmetic operation…
-QER: An Intelligent Approach towards Quantum Error Reduction
Saikat Basu, Amit Saha, Amlan Chakrabarti +1
Quantum computing has become a promising computing approach because of its capability to solve certain problems, exponentially faster than classical computers. A -qubit quantum…
Qurzon: A Prototype for a Divide and Conquer Based Quantum Compiler
Turbasu Chatterjee, Arnav Das, Shah Ishmam Mohtashim +2
When working with algorithms on quantum devices, quantum memory becomes a crucial bottleneck due to low qubit count in NISQ-era devices. In this context, the concept of `divide and…
Moving Quantum States without SWAP via Intermediate Higher Dimensional Qudits
Amit Saha, Debasri Saha, Amlan Chakrabarti
Quantum algorithms can be realized in the form of a quantum circuit. To map quantum circuit for specific quantum algorithm to quantum hardware, qubit mapping is an imperative techn…
Asymptotically Improved Circuit for -ary Grover's Algorithm with Advanced Decomposition of -qudit Toffoli Gate
Amit Saha, Ritajit Majumdar, Debasri Saha +2
The progress in building quantum computers to execute quantum algorithms has recently been remarkable. Grover's search algorithm in a binary quantum system provides considerable sp…
Search of clustered marked states with lackadaisical quantum walks
Amit Saha, Ritajit Majumdar, Debasri Saha +2
Nature of quantum walk in presence of multiple marked state has been studied by Nahimovs and Rivosh \cite{10.1007/978-3-662-49192-8_31}. They have shown that if the marked states a…