Reconfigurable Plasmofluidic Lenses Yongmin Liu, 1,2 Chenglong Zhao, - PowerPoint PPT Presentation

Reconfigurable Plasmofluidic Lenses Yongmin Liu, 1,2 Chenglong Zhao, 3 Yanhui Zhao, 3 Nicholas Fang 4 and Tony Jun Huang 3 1 Department of Mechanical and Industrial Engineering, Northeastern University 2 Department of Electrical and Computer Engineering, Northeastern University 3 Department of Engineering Science and Mechanics, Penn State University, 4 Department of Mechanical Engineering, Massachusetts Institute of Technology

Plasmonics: Bridging Nanoelectronics and Photonics waveguide lens source filter splitter modulator Photonics: high speed, but limited in Electronics: high packing density, size due to the diffraction limit but limited in speed M. L. Brongersma and V. M. Shalaev, Science 328, 440 (2010) 2

Various Plasmonic Devices plasmonic source plasmonic lens plasmonic bend Y. M. Liu et al., Nano Lett. 12 , 4853 (2012) T. Zentgraf*, Y. M. Liu* et al., Nature Nanotech. 6 , 151 (2011) 3

Tunable Plasmonic Devices Nature Photonics 3, 55 (2009); Nano Lett. 9, 897 (2009); Nature Photonics, 4, 107 (2010) Combining plasmonics with microfluidics enables reconfigurable plasmofluidic devices for multiple functionalities 4

Reconfigurable Plasmofuidic Lenses 10  m C. L. Zhao*, Y. M. Liu* et al., Nature Comm. 2305 (2013) 5

Functions of the Plasmofuidic Lens 6

Divergence of SPPs 7

Focusing and Collimation of SPPs 20  m C. L. Zhao*, Y. M. Liu* et al., Nature Comm. 2305 (2013) 8

Non-spherical Surface Bubbles Polystyrene bead 9

Non-spherical Surface Bubbles (cont’d) 10