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Emerging opportunities for ultra-high Q whispering gallery mode microcavities

QingHai Song News & Views First Online: 29 January 2019 50 Downloads Download to read the full article text References 1. L. Rayleigh, Theory of Sound (MacMillan, London, 1878), vol

Coupling the normal incident light into waveguide modes of DBR mirrors via a diffraction grating

modes of DBR mirrors via a diffraction grating WenhongYang Shang Sun Chen Zhang Jiankai Li Zonghui Duan Qinghai Song Shumin Xiao OPEN Here we numerically and experimentally demonstrate the conversion

Heterotrophic respiration does not acclimate to continuous warming in a subtropical forest

As heterotrophic respiration (RH) has great potential to increase atmospheric CO2 concentrations, it is important to understand warming effects on RH for a better prediction of carbon–climate feedbacks. However, it remains unclear how RH responds to warming in subtropical forests. Here, we carried out trenching alone and trenching with warming treatments to test the climate...

Coherent destruction of tunneling in chaotic microcavities via three-state anti-crossings

Institute of Technology, Shenzhen, China, 518055Shumin Xiao AuthorsSearch for Qinghai Song in:Nature Research journals • PubMed • Google ScholarSearch for Zhiyuan Gu in:Nature Research journals • PubMed ... financial interests. Corresponding author Correspondence to Qinghai Song. Rights and permissions This work is licensed under a Creative Commons Attribution 3.0 Unported License. The images in this

Single Nanoparticle Detection Using Far-field Emission of Photonic Molecule around the Exceptional Point

Highly sensitive, label-free detection methods have important applications in fundamental research and healthcare diagnostics. To date, the detection of single nanoparticles has remained largely dependent on extremely precise spectral measurement, which relies on high-cost equipment. Here, we demonstrate a simple but very nontrivial mechanism for the label-free sizing of...

The combination of high Q factor and chirality in twin cavities and microcavity chain

Chirality in microcavities has recently shown its bright future in optical sensing and microsized coherent light sources. The key parameters for such applications are the high quality (Q) factor and large chirality. However, the previous reported chiral resonances are either low Q modes or require very special cavity designs. Here we demonstrate a novel, robust, and general...