Atmospheric Turbulence in OWC

This self-learning training provides a comprehensive understanding of atmospheric turbulence effects in optical wireless communication (OWC) systems such as free-space optics (FSO), satellite links, HAPS, and airborne platforms.

Participants will learn the physics of turbulence, propagation effects, system performance impacts, and state-of-the-art mitigation techniques used in both academia and industry to design reliable high-capacity optical links.

• Fundamentals of atmospheric turbulence and its impact on optical wireless communication systems

• Applications of turbulence analysis in FSO, satellite, HAPS, UAV, airborne, defense, and quantum communication links

• Optical wireless link fundamentals: transmitter, receiver, and channel architecture

• Optical sources and systems: lasers, LEDs, coherent, partially coherent, and incoherent beams

• Channel impairments including absorption, scattering, and turbulence effects

• Link geometries and practical scenarios: terrestrial, slant, vertical, and space links

• Physical origin of atmospheric turbulence and refractive index fluctuations

• Kolmogorov theory, non-Kolmogorov models, and turbulence power spectra

• Structure parameter Cn2​, altitude dependence, and empirical atmospheric models

• Classification of turbulence strength and scaling with wavelength, aperture, and propagation distance

• Statistical channel modeling for weak, moderate, strong, and extreme turbulence regimes

• Propagation analysis using Extended Huygens–Fresnel principle and Rytov approximation

• Average intensity, received optical power, and correlation function analysis

• Scintillation effects, beam wander, beam spread, and angle-of-arrival fluctuations

• Pointing error mechanisms, tracking considerations, and transmittance degradation

• System performance metrics under turbulence: SNR, BER, fiber coupling efficiency, and aperture averaging

• Classical mitigation techniques: diversity methods and aperture averaging

• Advanced mitigation methods: adaptive optics, beam shaping, and partially coherent beams

• AI-based prediction and correction approaches for turbulence compensation

• Real-world case studies and industry applications (5G/6G backhaul, satellite optical links, aerospace, and quantum communication)

• Future trends: hybrid RF–optical systems, AI-driven optimization, and emerging research challenges

• Optical wireless communication and FSO engineers
• Satellite, HAPS, and aerospace communication designers
• Researchers and graduate students in photonics, optics, and telecommunications
• Defense and aerospace system engineers working with optical links
• Quantum communication and QKD researchers
• AI/ML engineers interested in physical-layer communication optimization
• Communication system consultants and R&D professionals