First experimental observation of a full (infinite) momentum bandgap spanning all momenta in a photonic time crystal, achieved via resonant enhancement in two modulated microwave metamaterial platforms.
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physics.optics 2years
2026 2verdicts
UNVERDICTED 2representative citing papers
Non-Hermitian Berry phases in time-varying media have a quantized real part due to symmetry, giving a topological index for systems including a non-Hermitian Su-Schrieffer-Heeger model.
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Observation of full momentum bandgap in photonic time crystals
First experimental observation of a full (infinite) momentum bandgap spanning all momenta in a photonic time crystal, achieved via resonant enhancement in two modulated microwave metamaterial platforms.
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Partial Quantisation of Non-Hermitian Berry Phases in Time-Varying Media
Non-Hermitian Berry phases in time-varying media have a quantized real part due to symmetry, giving a topological index for systems including a non-Hermitian Su-Schrieffer-Heeger model.