Daoxin Dai

Summary

Affiliation: Zhejiang University
Country: China

Publications

  1. doi request reprint Highly sensitive digital optical sensor based on cascaded high-Q ring-resonators
    Daoxin 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
  2. doi request reprint Silicon hybrid plasmonic submicron-donut resonator with pure dielectric access waveguides
    Daoxin 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
  3. doi request reprint Gain enhancement in a hybrid plasmonic nano-waveguide with a low-index or high-index gain medium
    Daoxin 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
  4. doi request reprint Fabrication and characterization of suspended SiO2 ridge optical waveguides and the devices
    Pengxin 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
  5. doi request reprint Experimental demonstration of an ultracompact Si-nanowire-based reflective arrayed-waveguide grating (de)multiplexer with photonic crystal reflectors
    Daoxin 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 Lett 35:2594-6. 2010
  6. pmc Tunable pattern-free graphene nanoplasmonic waveguides on trenched silicon substrate
    Jiajiu Zheng
    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
    Sci Rep 5:7987. 2015
  7. pmc Silicon-graphene conductive photodetector with ultra-high responsivity
    Jingjing Liu
    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, China
    Sci Rep 7:40904. 2017
  8. ncbi request reprint Comparative study of the integration density for passive linear planar light-wave circuits based on three different kinds of nanophotonic waveguide
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Hangzhou, China
    Appl Opt 46:1126-31. 2007
  9. ncbi request reprint Characteristic analysis of nanosilicon rectangular waveguides for planar light-wave circuits of high integration
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Joint Research Center of Photonics of the Royal Institute of Technology, Sweden
    Appl Opt 45:4941-6. 2006
  10. doi request reprint Sub-μm2 power splitters by using silicon hybrid plasmonic waveguides
    Jianwei 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

Collaborators

Detail Information

Publications21

  1. doi request reprint Highly sensitive digital optical sensor based on cascaded high-Q ring-resonators
    Daoxin 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...
  2. doi request reprint Silicon hybrid plasmonic submicron-donut resonator with pure dielectric access waveguides
    Daoxin 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...
  3. doi request reprint Gain enhancement in a hybrid plasmonic nano-waveguide with a low-index or high-index gain medium
    Daoxin 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...
  4. doi request reprint Fabrication and characterization of suspended SiO2 ridge optical waveguides and the devices
    Pengxin 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...
  5. doi request reprint Experimental demonstration of an ultracompact Si-nanowire-based reflective arrayed-waveguide grating (de)multiplexer with photonic crystal reflectors
    Daoxin 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 Lett 35:2594-6. 2010
    ..The total size of the fabricated AWG is as small as 134mumx115mum. The excess loss of the fabricated reflective AWG (de)multiplexer is about 3-4 dB, and the crosstalk is about -12dB...
  6. pmc Tunable pattern-free graphene nanoplasmonic waveguides on trenched silicon substrate
    Jiajiu Zheng
    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
    Sci Rep 5:7987. 2015
    ..The strong light-matter interaction as well as tunable slow light is also of great interest for many applications such as optical nonlinearities. ..
  7. pmc Silicon-graphene conductive photodetector with ultra-high responsivity
    Jingjing Liu
    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, China
    Sci Rep 7:40904. 2017
    ..For example, the device can detect an input optical power as low as 6.2 pW with the responsivity as high as 2.4 × 107 A/W when operating at -25 °C in our experiment...
  8. ncbi request reprint Comparative study of the integration density for passive linear planar light-wave circuits based on three different kinds of nanophotonic waveguide
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Hangzhou, China
    Appl Opt 46:1126-31. 2007
    ..It is shown that the integration densities of passive linear planar lightwave circuits based on these three kinds of nanophotonic waveguide are comparable...
  9. ncbi request reprint Characteristic analysis of nanosilicon rectangular waveguides for planar light-wave circuits of high integration
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Joint Research Center of Photonics of the Royal Institute of Technology, Sweden
    Appl Opt 45:4941-6. 2006
    ..1 dB. Finally the coupling between two parallel straight waveguides is analyzed, and it is shown that there is an optimal width for the maximal coupling length...
  10. doi request reprint Sub-μm2 power splitters by using silicon hybrid plasmonic waveguides
    Jianwei 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...
  11. ncbi request reprint Design of a polarization-insensitive arrayed waveguide grating demultiplexer based on silicon photonic wires
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Joint Research Center of Photonics of the Toyal Institute of Technology Sweden
    Opt Lett 31:1988-90. 2006
    ..A detailed design procedure is presented and numerical simulation results are given...
  12. pmc Sensitivity Enhancement in Si Nanophotonic Waveguides Used for Refractive Index Sensing
    Yaocheng Shi
    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
    Sensors (Basel) 16:. 2016
    ..g., ~1.43) while the fabrication tolerance is very small (i.e., ∆w < ±5 nm). The comparative study shows that suspended Si nanowire is a good choice to achieve ultra-high waveguide sensitivity. ..
  13. ncbi request reprint Analysis of multimode effects in the free-propagation region of a silicon-on-insulator-based arrayed-waveguide grating demultiplexer
    Daoxin Dai
    Center for Optical and Electromagnetic Research, State Key Laboratory of Modern Optical Instrumentation, Zhejiang University, Yu Quan, Hangzhou 310027, China
    Appl Opt 42:4860-6. 2003
    ..The coupling coefficient between the FPR and an arrayed waveguide is sensitive to the thickness of the FPR...
  14. doi request reprint A silicon-based hybrid plasmonic waveguide with a metal cap for a nano-scale light confinement
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Zijingang Campus, Hangzhou, 310058, China
    Opt Express 17:16646-53. 2009
    ..The theoretical investigation also shows that the present hybrid plasmonic waveguide has a low loss and consequently a relatively long propagation distance (on the order of several tens of lambda)...
  15. ncbi request reprint Design of an ultrashort Si-nanowaveguide-based multimode interference coupler of arbitrary shape
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Hangzhou 310058, China
    Appl Opt 47:38-44. 2008
    ..With the present design procedure, an ultrashort 2 x 2 parabolic MMI coupler is designed as an example. The size of the designed ultrashort MMI section is only approximately 1.4 microm x 4.7 microm...
  16. ncbi request reprint Accurate two-dimensional model of an arrayed-waveguide grating demultiplexer and optimal design based on the reciprocity theory
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Joint Research Center of Photonics of the Royal Institute of Technology, Stockholm, Sweden
    J Opt Soc Am A Opt Image Sci Vis 21:2392-8. 2004
    ..To further improve the computational efficiency, the reciprocity theory is applied to the optimal design of a flat-top AWG demultiplexer with a special input structure...
  17. ncbi request reprint Analysis of characteristics of bent rib waveguides
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, Joint Laboratory of Optical Communications of Zhejiang University, Yu Quan, Hangzhou 310027, China
    J Opt Soc Am A Opt Image Sci Vis 21:113-21. 2004
    ....
  18. doi request reprint Local and nonlocal optically induced transparency effects in graphene-silicon hybrid nanophotonic integrated circuits
    Longhai Yu
    Centre for Optical and Electromagnetic Research, JORCEP, State Key Laboratory for Modern Optical Instrumentation, Zhejiang Provincial Key Laboratory for Sensing Technologies, Zhejiang University, Hangzhou 310058, China
    ACS Nano 8:11386-93. 2014
    ..The present OIT effect enables low power, all-optical, broadband control and sensing, modulation and switching locally and nonlocally. ..
  19. doi request reprint Optical bistability in a high-Q racetrack resonator based on small SU-8 ridge waveguides
    Li Jin
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Zijingang Campus, Hangzhou, China
    Opt Lett 38:2134-6. 2013
    ..Theoretical modeling for the optical bistability is also given, and it agrees well with the experimental result...
  20. doi request reprint Silicon mode (de)multiplexer enabling high capacity photonic networks-on-chip with a single-wavelength-carrier light
    Daoxin Dai
    Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Zijingang Campus, Hangzhou, China
    Opt Lett 38:1422-4. 2013
    ..More channels can be achieved with two sets of orthogonal-polarization modes (e.g., 2N=8) multiplexed when desired...
  21. ncbi request reprint Highly sensitive Si nanowire-based optical sensor using a Mach-Zehnder interferometer coupled microring
    Jianwei 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...