supported by the National Key Basic Research Program of China(Grant Nos.2012CB921804 and 2011CBA00205);the National Natural Science Foundation of China(Grant Nos.61435007 and 11321063)
We demonstrate ultralow-threshold thulium-doped, as well as thulium-holmium-codoped, microtoroid lasers on silicon chips, operating at the wavelength of around 2 ?m. High quality factor whispering gallery mode(WGM) mi...
supported by the National Basic Research Program of China(Grant Nos.2012CB921804 and 2011CBA00205);the National Natural Science Foundation of China(Grant Nos.61435007,11104137 and 11321063)
We demonstrate radiation-pressure-driven mechanical oscillations from high optical quality factor silica microdisk resonators on chip. Mechanical quality factors of 3520 in air and 12540 in vacuum for the fundamental ...
supported by the National Basic Research Program of China (Nos. 2012CB921804 and 2011CBA00205);the National Natural Science Foundation of China (Nos. 61435007 and 11321063)
We experimentally demonstrate high optical quality factor silica microdisk resonators on a silicon chip with large wedge angles by reactive ion etching. For 2-μm-thick microresonators, we have achieved wedge angles o...
Project supported by the National Basic Research Program of China(Grant Nos.2012CB921804 and 2011CBA00205)
Quantum metrology holds the promise of improving the measurement precision beyond the limit of classical ap- proaches. To achieve such enhancement in performance requires the development of quantum estimation theories...