reconfigurable plasmofluidic lenses - cmu

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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

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Page 1: Reconfigurable Plasmofluidic Lenses - CMU

Reconfigurable Plasmofluidic Lenses 

Yongmin Liu, 1,2 Chenglong Zhao,3 Yanhui Zhao,3  Nicholas Fang 4 and Tony Jun Huang3 

 1Department of Mechanical and Industrial Engineering, Northeastern University 2Department of Electrical and Computer Engineering, Northeastern University 3Department of Engineering Science and Mechanics, Penn State University, 

4Department of Mechanical Engineering, Massachusetts Institute of Technology

Page 2: Reconfigurable Plasmofluidic Lenses - CMU

Photonics: high speed, but limited in size due to the diffraction limit

modulator

source filter

waveguide

splitter

lens

Electronics: high packing density, but limited in speed

M. L. Brongersma and V. M. Shalaev, Science 328, 440 (2010) 

Plasmonics: Bridging Nanoelectronics and Photonics

Page 3: Reconfigurable Plasmofluidic Lenses - CMU

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) 

Page 4: Reconfigurable Plasmofluidic Lenses - CMU

Tunable Plasmonic Devices

Combining plasmonics with microfluidics enables reconfigurable plasmofluidic devices for multiple functionalities

Nature Photonics 3, 55 (2009); Nano Lett. 9, 897 (2009); Nature Photonics, 4, 107 (2010)

Page 5: Reconfigurable Plasmofluidic Lenses - CMU

Reconfigurable Plasmofuidic Lenses

10 m

C. L. Zhao*, Y. M. Liu* et al., Nature Comm. 2305 (2013) 

Page 6: Reconfigurable Plasmofluidic Lenses - CMU

Functions of the Plasmofuidic Lens

Page 7: Reconfigurable Plasmofluidic Lenses - CMU

Divergence of SPPs

Page 8: Reconfigurable Plasmofluidic Lenses - CMU

20 m

Focusing and Collimation of SPPs

C. L. Zhao*, Y. M. Liu* et al., Nature Comm. 2305 (2013) 

Page 9: Reconfigurable Plasmofluidic Lenses - CMU

Non-spherical Surface Bubbles

Polystyrene bead

Page 10: Reconfigurable Plasmofluidic Lenses - CMU

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Non-spherical Surface Bubbles (cont’d)