Quantum Optics and Single-Photon Detection

Quantum-optical concepts and single-photon detection technologies underpinning quantum communication and advanced sensing.

• Engineers and researchers working in quantum communication, quantum sensing, and photonics
• Graduate and postgraduate students specializing in quantum technologies, optics, and communications
• Scientists and professionals involved in experimental and theoretical quantum optics
• Professionals and researchers exploring quantum key distribution (QKD) and quantum networking
• Academic staff involved in teaching and research in quantum optics, quantum communication, or related areas
• Companies developing quantum sensors, detectors, and quantum-enabled communication systems

• Introduction to quantum optics: historical milestones and modern relevance
• Quantum properties of light: coherence, entanglement, squeezing
• Single-photon sources: spontaneous parametric down-conversion (SPDC), quantum dots, and heralded sources
• Quantum states of light and their applications
• Principles of single-photon detection
• Types of single-photon detectors: Avalanche Photodiodes (APDs), Superconducting Nanowire Single-Photon Detectors (SNSPDs), Photomultiplier Tubes (PMTs)
• Detector characteristics: efficiency, dark counts, timing jitter, afterpulsing
• Applications in quantum communication, quantum cryptography, and sensing
• Emerging trends in single-photon technologies and future directions

• Copy of the presentation slides (PDF)
• Downloadable video recording of the sessions (valid for 60 days)

⚠️ Important: The video is licensed for personal use only. Redistribution, sharing, or public posting of the course video is strictly prohibited.

* Session 1 (2.5 hours): Fundamentals of Quantum Optics and Photon Behavior * Session 2 (2.5 hours): Single-Photon Detection Technologies and Practical Implementations