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We introduce a simple procedure for high-Q cavity design in photonic crystal heterostructures. The key parameter in the optimization process is the relative position of the resonant frequency within the mode-gap.
Splitting of mode wavelength and loss are observed in coupled photonic-crystal cavities. The characteristics of loss splitting are shown to have important impact on the optical energy transfer between such coupled resonators.
A pulse delay corresponding to a slow group velocity of ~0.008 c was observed in a low-loss coupled cavity waveguide formed by 60 photonic crystal nanocavities whose intrinsic Q was as high as 106.
We demonstrate ultra fast tuning of the optical quality factor of a resonator on a silicon chip using electro-optic tuning. We tune the cavity quality factor from 20,000 to 6,000 in 100 ps.
We theoretically and experimentally demonstrate a compact silicon photonic crystal microcavity sensor capable of detecting in vivo a single particle of size comparable to a virus.
Device induced data timing skew in optical interconnects is investigated. Up to 28 ps timing skew is induced by ring-resonator cavity Q variation in 10 Gb/s NRZ on-chip scenario, which may lead to 6 dB signal eye opening penalty.
We report on the fabrication and investigation of pyramidal GaAs micro-cavities on top of a Bragg mirror. A finite-difference time-domain simulation supports the experimentally found optical mode structure for such a cavity shape.
We have developed a photonic crystal nanocavity with a quality factor of 2.5times106 and a photon lifetime over 2 ns. This lifetime is the longest recorded thus far in photonic crystal cavities.
By balancing the sharp linear and nonlinear dispersions of an intracavity electromagnetically induced transparency medium, the cavity transmission linewidth can be significantly modified and controlled. Cavity linewidth narrowing, broadening, and white-light cavity are experimentally demonstrated.
Experimental study of new type of plasmonic cavities is reported. We demonstrate the excitation of localised modes, with very high light confinement. The cavities are suitable for devices operating in the strong light-matter coupling regime.
We report on high quality electrically driven quantum dot micropillar cavities with Q-factors up to 16.000. The high Q-factors allow the observation of pronounced single dot resonance effects with a Purcell enhancement of about 10.
By dispersively coupling a dielectric membrane to an optical cavity, we laser-cooled it from 294 K to 6.82 mK. Further, the cavity couples to the square of the membranepsilas displacement - a key for QND energy measurements.
We propose a new class of all-optical self-adaptive optomechanical circuits, enabling the manipulation of cavity resonances through resonantly tailored optomechanical potentials, leading to control of cantilevers with picometer precision and self-aligning microcavities.
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