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physics.optics2026
Deterministic Single-Photon Emitter Arrays in Hexagonal Boron Nitride by Carbon-Assisted Focused Ion Beam Engineering
Mangababu Akkanaboina, Rohit Kumar, Brijesh Kumar +4
The realization of on-chip photonic circuits requires scalable and deterministic single-photon emitters (SPEs) at room temperature, which remain a challenge in van der Waals materi…
physics.optics2026
Active Control of Topological Exceptional Points in Non-Hermitian Metasurfaces
Parul Sharma, Sobhan Subhra Mishra, Yash Gupta +4
Active control and ultrafast switching of non-Hermitian photonic systems are essential for next-generation reconfigurable optical technologies. Here, we demonstrate dynamic tempora…