To support the massive data rates demanded by next-generation digital technology, wireless communication systems will need to operate in the terahertz frequency bands, where bandwidth is large and atmospheric temporal dispersion can alter the received value of communication symbols. We present a method, based on prior spectroscopic characterizations of the atmosphere, of calculating the deterministic effects of atmospheric dispersion in terahertz communication, and explore the interaction of dispersion with thermal noise. We also present findings indicating that, due to atmospheric dispersion, traditional narrowband models cannot be used to accurately describe the performance of wireless communication systems at terahertz frequencies.

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Karl Strecker, John O'Hara, and Sabit Ekin, "Deterministic and stochastic effects in broadband terahertz links affected by atmospheric temporal dispersion," Proc. SPIE 11725, Next-Generation Spectroscopic Technologies XIV, 1172506 (Presented at SPIE Defense + Commercial Sensing: 12 April 2021; Published: 12 April 2021); https://doi.org/10.1117/12.2589614.6243421846001.