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Quantum State Interferography by Urbasi Sinha

International Centre for Theoretical Sciences via YouTube

Overview

Explore quantum state interferography in this colloquium talk by Urbasi Sinha from the Raman Research Institute. Learn about a novel interferometric method for characterizing qubit states using single-shot measurements, offering advantages over traditional quantum state tomography. Discover how this "black box" approach allows for true single-shot estimation of quantum states without changing setup conditions. Examine the extension of this technique to higher-dimensional qudit systems, providing significant scaling advantages. Delve into topics such as weak values, interferometers, and applications in quantum computing and communications. Gain insights into the potential for miniaturization and free-space quantum key distribution using this innovative approach to quantum state estimation.

Syllabus

Introduction
Welcome
Lab Overview
Quantum State Estimation
Quantum State Tomography
Quantum State Interferography
Weak Value
Interferometer
Scaling Advantage
Finding the Quantum State
NonCollinear Displaced Sonia Interferometer
Miniaturization
HighDimensional State Interferography
Bipartite State
Higher Dimensional Quantum Computing
Quantum Communications
Free Space QKD

Taught by

International Centre for Theoretical Sciences

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