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...
This work is sponsored by the National 973 program(2012CB921803 and 2011CBA00205);the National Science Fund of China under grants 61225026,61322503,61457069,61435008 and 61490714;the Fundamental Research Funds for the Central Universities.
An in-line,all-optical fiber modulator based on a stereo graphene–microfiber structure(GMF)utilizing the lab-on-rod technique was demonstrated in this study.Owing to its unique spring-like geometry,an ultra-long GMF ...
Project supported by the National Basic Research Program of China(Grant Nos.2011CB922100,2011CBA00205,and 2013CB921804);the General Research Fund(GRF)of the Research Grants Council(RGC)of Hong Kong,China(Grant Nos.HKU7058/11P and HKU7045/13P);the Collaborative Research Fund(CRF)of the Research Grants Council(RGC)of Hong Kong,China(Grant No.HKU-8/11G);the University Research Committee(URC)Fund of the Hong Kong University(HKU),China;the National Natural Science Foundation of China(Grant Nos.11074111,11023002,and 11004065);the Priority Academic Program Development of Jiangsu Higher Education Institutions,China;the Program for New Century Excellent Talents in University of Ministry of Education of China;the Program for Changjiang Scholars and Innovative Research Team in University,China;the Fundamental Research Funds for the Central Universities of Ministry of Education of China
We analyze the reading and initialization of a topological qubit encoded by Majorana fermions in one-dimensional semiconducting nanowires, weakly coupled to a single level quantum dot (QD). It is shown that when the...
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...