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In a DBR microcavity with quantum wells embedded, strong coupling between excitons inside the quantum wells with the microcavity photons results in a new particle called exciton polariton. These bosonic particles are partly light and partly matter, thus they can be seen as an effective nonlinearity for light. Because of their bosonic lightweight nature, stimulated scattering into a certain state occurs...
Using coherent photon conversion (CPC) we generate large effective X(2) nonlinearities in a X(3)-nonlinear Si3N4 microring-resonator and measure an effective second harmonic generation efficiency of 77%/mW.
The hybridization of different quasi-particles is an extensively studied subject; both from a practical as well as fundamental point of view. The resultant hybrid excitations exhibit new properties that are not available by the isolated constituents.
A high quality factor (Q) microcavity is an efficient device for generating a Kerr comb via a four-wave mixing process inside the cavity [1]. Kerr comb platforms are candidates for such applications as optical frequency combs, optical communications, arbitrary waveform generation, and microwave oscillators. Although a silica toroid microcavity (Fig. 1(a)) also has good characteristics for Kerr comb...
Organic dye molecules have been used in great many scientific and technological applications. Among these, the polycyclic aromatic hydrocarbons (PAH) behave very favourably as quantum emitters when embedded in organic crystals at temperatures below 4K. PAHs can serve as solid-state emitters with remarkable optical properties such as near-unity quantum efficiency and high photostability. However, transitions...
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