Channel Characteristics for Terahertz Wireless Communications

Explore the cutting-edge field of terahertz wireless communications in this 57-minute NYU Wireless & ECE Special Seminar presented by Prof. Daniel Mittleman. Delve into the photonics approach to THz systems, examining the merger of electronics and photonics and the numerous physical layer challenges. Learn about THz modulator characterization, uniform spatial modulation, and dynamic modulation of THz wave fronts. Investigate diffraction, the third dimension in THz communications, and various configurations including band-pass and band-stop. Discover artificial dielectrics, leaky wave devices for multiplexing, and experimental setups. Analyze the effects of detector aperture on multiplexing and explore directional THz links, including eavesdropping concerns. Gain valuable insights into this emerging technology and its potential applications in future wireless communication systems.

Intro
Terahertz wireless communications: A photonics approach
THz systems: the merger of electronics and photonics
Terahertz systems: many physical layer challenges
THz modulator: characterization
Uniform spatial modulation
Dynamic modulation of THz wave front
Diffraction: off axis (0 0)
The third dimension
Band-pass and band-stop configurations
Artificial dielectric: quarter-wave plate & isolator
Leaky wave devices: a candidate for multiplexing
Experimental setup
Multiplexing: effect of detector aperture
Directional THz links: eavesdropping
Conclusions