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Quadrature & frequency diverse terahertz imaging with metamaterials

Compressive sensing is an exciting approach to imaging and promises to make significant advance in the terahertz regime. However, compressive imaging is commonly implemented is such that acquisition proceeds in a serial manner, thus leading to unrealistic frame rates. We propose and demonstrate a new approach to terahertz single pixel imaging using all-electronic metamaterial spatial light modulators. Our technique is deterministic and permits parallel acquisition, resulting in a significant advance in image fidelity and frame rates compared to alternative approaches.