MUMBAI, India, June 30 -- Intellectual Property India has published a patent application (202641074468 A) filed by Dr. Ram Soorat; Priyanka; Aakash Chilakamarri; Barath Sai Kumar Jakkuva; Areebuddin Syed Khaja; Dr. Kamil Reza Khondakar; and Afzalur Rahman on June 16, 2026, for System And Method For Interferometric Quantum Random Number Generation Using Michelson Configuration With Fft-Based Toeplitz Extraction.
Inventors include Dr. Ram Soorat; Priyanka; Aakash Chilakamarri; Barath Sai Kumar Jakkuva; Areebuddin Syed Khaja; Dr. Kamil Reza Khondakar; and Afzalur Rahman.
The application for the patent was published on June 26, 2026, under issue no. 26/2026.
Abstract: The present invention relates to a system and method for generation of quantum random numbers utilizing interferometric phase fluctuations within a Michelson interferometer architecture. A coherent optical source is divided into multiple optical paths and recombined to produce interference signals containing quantum phase- noise components. The system operates at a controlled quadrature phase condition to facilitate entropy acquisition from stochastic optical phase variations. Acquired signals are digitized and processed through adaptive entropy estimation, phase-noise sampling, threshold conversion, debiasing operations, and secure randomness extraction. A Von Neumann processing stage removes residual bias from generated bit sequences, while an FFT-assisted Toeplitz hashing extractor converts raw entropy into cryptographically secure random numbers. Security verification is performed using information-theoretic entropy evaluation and statistical randomness validation procedures. The architecture supports scalable implementation using programmable hardware platforms and computing systems for cryptographic processing, secure communications, quantum networking, computational simulations, blockchain security, and quantum information applications.
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