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A degenerate two-level system was investigated with circularly polarized probe and coupling lasers. An intensity dependent switch of an absorption peak to a dip was measured. The corresponding dispersion did not change.
Spontaneous-parametric down-conversion bandwidth control between 7 nm to 676 nm is reported in an integrated source of frequency anti-correlated photon-pairs using type-I and type-II phase-matched AlxGa1-xAs Bragg reflection waveguide.
We report the growth and characterization of bulk ZnO-based hybrid microcavity (MC). The phenomenon of strong exciton-photon coupling at room temperature has been observed in the ZnO-based MC. The cavity quality factor is 221. The experimental results show good agreement with calculated exciton-polariton dispersion curves based on transfer matrix method. From the theoretical and experimental exciton-polariton...
We present for the first time digital and deterministic control of slow-light in photonic crystal silicon membranes through atomic layer deposition. Supported by ab initio calculations and our earlier advancements, the tuning of the slow group indices and higher-order dispersion characteristics are observed in the chip-scale Mach-Zehnder interferometers, along with control of the surface-state coupling...
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