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Optics

Quantum Photonic Circuit Simulation with Realistic Photon Sources

Ansys

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Overview

Quantum photonic technologies are driving advances in secure communication, quantum computing, and fundamental physics research.

This webinar will demonstrate how Ansys Lumerical can simulate the complete quantum photonic workflow – from nonlinear photon-pair generation to circuit-level demonstrations and quantum key distribution (QKD). By combining device-level nonlinear optics simulations with circuit-level simulations, attendees will see how Ansys Lumerical supports the design and simulation of next-generation quantum photonic systems.

We will showcase:

  • Realistic photon source modeling through SPDC and SFWM processes
  • The nonlinear sign (NLS) gate, a key building block of photonic quantum computing
  • Unitary quantum circuit generation
  • Hong–Ou–Mandel interference
  • Continuous-variable quantum key distribution (CV-QKD)

What Attendees Will Learn

  • Understand how to model SPDC and SFWM sources for entangled photon generation
  • Learn how to build and simulate photonic quantum gates and circuits in Lumerical
  • Explore multiphoton interference phenomena such as Hong-Ou-Mandel effects
  • Gain insights into simulating continuous-variable QKD protocols

Who Should Attend and Why

  • Quantum optics and quantum information researchers
  • Photonic integrated circuit (PIC) designers and engineers
  • Professionals in quantum communication and QKD development
  • Graduate students and postdocs working in nonlinear optics and quantum photonics

Speakers

  • Nikhil Dhingra

Date / Time:October 9, 2025
11:30 AM IST
Venue:Virtual

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