Daoxin DaiSummaryAffiliation: Zhejiang University Country: China Publications
| Collaborators
|
Detail Information
Publications
Highly sensitive digital optical sensor based on cascaded high-Q ring-resonatorsDaoxin Dai
Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, East Building No 5, Zijingang Campus, Zhejiang University, Hangzhou 310058, China
Opt Express 17:23817-22. 2009..Therefore, it is promising to realize a low-cost and portable highly-sensitive optical sensor system on a single chip...
Silicon hybrid plasmonic submicron-donut resonator with pure dielectric access waveguidesDaoxin Dai
Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, East Building No 5, Zijingang Campus, Hangzhou 310058, China
Opt Express 19:23671-82. 2011..The critical coupling of the resonance at around 1423 nm is achieved by choosing a 80 nm-wide gap between the access waveguide and the resonator. The corresponding loaded Q-value of the submicron-donut resonator is about 220...
Gain enhancement in a hybrid plasmonic nano-waveguide with a low-index or high-index gain mediumDaoxin Dai
Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang Provincial Key Laboratory for Sensing Technologies, Zhejiang University, Hangzhou, China
Opt Express 19:12925-36. 2011..For the high-index gain case with h(slot)=50nm and w(co)=500nm, a gain of about 200dB/cm also suffices for the compensation of the intrinsic loss...
Fabrication and characterization of suspended SiO2 ridge optical waveguides and the devicesPengxin Chen
Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang Provincial Key Laboratory for Sensing Technologies, Zhejiang University, Zijingang Campus, Hangzhou 310058, China
Opt Express 20:22531-6. 2012..With the present suspended SiO(2) optical waveguides, a small racetrack resonator with a radius of 100 μm is also demonstrated and the measured Q-factor is about 3160...
Sub-μm2 power splitters by using silicon hybrid plasmonic waveguidesJianwei Wang
Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Zhejiang University, Hangzhou, China
Opt Express 19:838-47. 2011..1%:2.9%-1.7%:98.3% and 84%:16%-16%:84%, respectively. Finally a 1×4 power splitter with a device footprint of 1.9 μm × 2.6 μm is also presented using cascaded Y-branches...
Highly sensitive Si nanowire-based optical sensor using a Mach-Zehnder interferometer coupled microringJianwei Wang
Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, East Building No 5, Zijingang Campus, Zhejiang University, Hangzhou, 310058, China
Opt Lett 35:4229-31. 2010..The MZI-coupled microring sensor is used for measuring the change of the ambient refractive index ranging from 1.0 to 1.538, and the sensitivity is as high as 111 nm/refractive index unit...
