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physics.optics2026
Ultra-low-loss Ta2O5 waveguide for integrated nonlinear photonics
Xiaotong Zhang, Shuxuan Guo, Ruixuan Yi +8
Integrated nonlinear photonics demands waveguides that simultaneously offer ultra-low-loss, relatively strong nonlinearity, and tight mode confinement. Tantalum pentoxide (Ta2O5) i…
physics.optics2026
Topological Optical Frequency Combs
Rujiang Li, Wenfu Zhang
Optical frequency combs (OFCs) are revolutionary light sources characterized by discrete and equally spaced spectral lines, and they have found widespread applications in metrology…