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Ritik Dubey

I'm a final-year BS–MS Physics student at IISER Kolkata, working at the intersection of quantum foundations and quantum information. My recent work has focused on weak measurement theory and what it reveals about quantum systems that strong measurement cannot.

I'll be starting my Master's thesis at the Harish-Chandra Research Institute under Prof. Ujjwal Sen, working on quantum communication and entanglement theory.

Looking ahead, I hope to pursue doctoral research on the mathematical and conceptual aspects of quantum information theory and quantum foundations.

About

A little more about me

My early research was really a period of exploration — on the advice of a professor in my second year, I tried my hand at fluid dynamics, then optics, before being introduced to quantum weak measurement. That one stuck. It grew into a year-long project and, over time, shaped my deeper interest in foundational quantum physics.

I'm now heading into my Master's thesis at HRI, focusing on quantum communication and entanglement theory, while keeping an eye on how these threads connect through the resource-theoretic view of quantum mechanics.

Outside physics, I enjoy teaching and motivating school students toward science, dancing, sketching, and picking up new skills — I'm currently (still) learning to drive and swim. I also spend time with friends and family, and I'm always up for a good movie.

2026 – 2027

Master Thesis Student

HRI Prayagraj, India — Quantum Communication, under Prof. Ujjwal Sen

2025 – 2026

Weak-Value Amplification in Polarized Light

IISER Kolkata, India — with Prof. Nirmalya Ghosh

May – July 2025

Summer Research Internship

IISER Kolkata, India — Spin–direction coupling in plasmonic, with Prof. Nirmalya Ghosh

May – July 2024

Summer Research Internship

IIT Kharagpur, India — Numerical fluid dynamics, with Prof. Vishwanath Shukla

2022 – 2027

B.S-M.S (dual degree) Physics

IISER Kolkata, India

Research

Research interests

My research sits within quantum information theory and the foundations of quantum mechanics. I'm particularly interested in the following fields,

Quantum Communication

Quantum Foundations

Open Quantum Systems

Quantum Resource Theory

Projects

Selected work

Research Projects

Weak-Value Amplification in Polarized Light

using the formalism of quantum weak measurements, studied the weak value amplification (WVA) in polarimetry in a Mach-Zehnder-Interferometer.

View (GitHub/PDF) →

Research Projects

Quantum Weak Measurement: AAV & SSD Review

Derived the weak measurement formalism of Aharonov, Albert & Vaidman (AAV) and Duck, Stevenson & Sudarshan (SSD), and numerically reproduced key results on weak-value amplification and its sensitivity to pre- and post-selection.

View (GitHub/PDF) →

Course Project

Delayed-Choice Quantum Eraser

A theoretical study of complementarity, entanglement, and quantum measurement through the delayed-choice quantum eraser thought experiment. (Prof. Sourin Das, IISER Kolkata)

View (GitHub/PDF) →

Summer Internship

Spin–Direction Coupling in Plasmonic Waveguides

Numerically simulated spin–direction coupling in waveguided plasmonic crystals under tight focusing, demonstrating spin-dependent directional guiding and direction-dependent spin acquisition.

View (GitHub/PDF) →

Course Notes

Compuatational Physics

This note contains Python implementations of a broad range of numerical methods.

View (GitHub/codes) →

Course Project

Neurobiology Prject

I studied how Hodgkin–Huxley (HH) model can reproduces normal action potentials and also helps explain Myotonia and Hyperkalemic Periodic Paralysis (HPP) disorder.

View (GitHub/PDF) →

Summer Internship

2D Navier–Stokes Simulations

Numerically simulated the 2D Navier–Stokes and Toner–Tu equations using Dedalus, analyzing vortex dynamics and energy cascades.

View (GitHub/codes) →

Publications

Publications

Nothing published yet

Blog

Writings

Occasional posts on physics, research life, and things I've been reading.

First post is on its way

This is where short write-ups will appear. Check back soon.

Get in touch

Let's talk physics

I'm always happy to hear from prospective supervisors, collaborators, or fellow students working on related questions. Email is the fastest way to reach me.

Email me