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On-Chip Optical Switching with Epsilon-Near-Zero Metamaterials [PDF]

arXiv
We present a multifunctional on-chip optical device utilizing epsilon-near-zero (ENZ) metamaterials, allowing precise beam control through phase modulation. This design acts as both an all-optical switch and a tunable beam splitter, providing compact and scalable solutions for integrated photonic applications.
arxiv  

Exact Solution of the Two-Reflector Optical System Meeting Herschel's Condition [PDF]

arXiv
Exact solution of stigmatic two-reflector optical system in presence of Herschel's condition is demonstrated. Details of how the solution is calculated are reported. Ray tracing verification on different optical systems validates the obtained results.
arxiv