Dr. Shashank Gupta

Dr. Shashank Gupta

Faculty at IIT-Indore | Ex-Research Lead at QNu Labs | Ex-postdoc at OIST, Japan

Publications and Patents

You can find our articles on my Google Scholar profile.

Patents

Granted Patents

System and Method for Detecting Photon-Number-Splitting (PNS) Attack in Secure Quantum Communication Channel During QKD

Published in , 2025

Advanced detection system for identifying photon-number-splitting attacks in real-time quantum key distribution operations.

Recommended citation: Gupta, S., Krishnan, R.K., Chennuri, S., & Singh, D. (2025). "System and Method for Detecting Photon-Number-Splitting (PNS) Attack in Secure Quantum Communication Channel During QKD." Indian Patent 202341064900, filed January 24, 2024, and issued October 6, 2025.

System and Method for Optimizing Random Number Generators (RNGs)

Published in , 2025

Optimization framework for quantum random number generators ensuring high entropy and cryptographic-grade randomness.

Recommended citation: Gupta, S., Krishnan, R.K., & Singh, D. (2025). "System and Method for Optimizing Random Number Generators (RNGs)." Indian Patent 202441003601, filed January 18, 2024, and issued April 15, 2025.

Method and System for Self-Correcting Key in Quantum Key Generation

Published in , 2025

Novel self-correcting mechanism for quantum key material addressing errors and ensuring high-quality cryptographic keys.

Recommended citation: Gupta, S., Krishnan, R.K., & Singh, D. (2025). "Method and System for Self-Correcting Key in Quantum Key Generation." Indian Patent 202441001363, filed January 18, 2024, and issued February 7, 2025.

Method and System for Generating Decoy and Signal Pulses for Quantum Key Distribution Protocol

Published in , 2024

Innovative method for robust generation and characterization of decoy and signal pulses in quantum key distribution systems.

Recommended citation: Gupta, S., Krishnan, R.K., & Singh, D. (2024). "Method and System for Generating Decoy and Signal Pulses for Quantum Key Distribution Protocol." Indian Patent 202341086479, filed January 24, 2024, and issued August 26, 2024.

Filed Patents

System and Method for Interconnecting Multi-devices by a Source-Destination Based Quantum Key Distribution Network

Published in , 2024

Scalable quantum network architecture enabling secure communication between multiple devices through source-destination QKD routing.

Recommended citation: Gupta, S., Krishnan, R.K., & Singh, D. (2024). "System and Method for Interconnecting Multi-devices by a Source-Destination Based Quantum Key Distribution Network." Indian Patent Application 202341004659, filed January 24, 2024.

System and Method for Point-to-Point Decoy Differential Phase Shift (DPS) Quantum Key Distribution (QKD)

Published in , 2024

Advanced point-to-point QKD system using differential phase shift protocol with integrated decoy state methods.

Recommended citation: Gupta, S., Krishnan, R.K., Mogligidda, V., Singh, D., & Gupta, S. (2024). "System and Method for Point-to-Point Decoy Differential Phase Shift (DPS) Quantum Key Distribution (QKD)." Indian Patent Application 202441003608, filed January 18, 2024.