Controlling propagation and coupling of waveguide modes using phase-gradient metasurfaces
Abstract
Here, research on two-dimensional designer optical structures, or metasurfaces, has mainly focused on controlling the wavefronts of light propagating in free space. Here, we show that gradient metasurface structures consisting of phased arrays of plasmonic or dielectric nanoantennas can be used to control guided waves via strong optical scattering at subwavelength intervals. Based on this design principle, we experimentally demonstrate waveguide mode converters, polarization rotators and waveguide devices supporting asymmetric optical power transmission. We also demonstrate all-dielectric on-chip polarization rotators based on phased arrays of Mie resonators with negligible insertion losses. Our gradient metasurfaces can enable small-footprint, broadband and low-loss photonic integrated devices.
- Authors:
-
[5];
- Columbia Univ., New York, NY (United States)
- Columbia Univ., New York, NY (United States); The Univ. of Texas Rio Grande Valley, Brownsville, TX (United States)
- Harvard Univ., Cambridge, MA (United States)
- Massachusetts Inst. of Technology (MIT), Cambridge, MA (United States)
- Brookhaven National Lab. (BNL), Upton, NY (United States)
- Publication Date:
- Research Org.:
- Brookhaven National Lab. (BNL), Upton, NY (United States). Center for Functional Nanomaterials (CFN)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES)
- OSTI Identifier:
- 1412777
- Report Number(s):
- BNL-114798-2017-JA
Journal ID: ISSN 1748-3387; KC0403020; TRN: US1800358
- Grant/Contract Number:
- SC0012704
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Nature Nanotechnology
- Additional Journal Information:
- Journal Volume: 12; Journal Issue: 7; Journal ID: ISSN 1748-3387
- Publisher:
- Nature Publishing Group
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 77 NANOSCIENCE AND NANOTECHNOLOGY; metasurface; Waveguide Modes; plasmonics; Center for Functional Nanomaterials
Citation Formats
Li, Zhaoyi, Kim, Myoung -Hwan, Wang, Cheng, Han, Zhaohong, Shrestha, Sajan, Overvig, Adam Christopher, Lu, Ming, Stein, Aaron, Agarwal, Anuradha Murthy, Loncar, Marko, and Yu, Nanfang. Controlling propagation and coupling of waveguide modes using phase-gradient metasurfaces. United States: N. p., 2017.
Web. doi:10.1038/NNANO.2017.50.
Li, Zhaoyi, Kim, Myoung -Hwan, Wang, Cheng, Han, Zhaohong, Shrestha, Sajan, Overvig, Adam Christopher, Lu, Ming, Stein, Aaron, Agarwal, Anuradha Murthy, Loncar, Marko, & Yu, Nanfang. Controlling propagation and coupling of waveguide modes using phase-gradient metasurfaces. United States. https://doi.org/10.1038/NNANO.2017.50
Li, Zhaoyi, Kim, Myoung -Hwan, Wang, Cheng, Han, Zhaohong, Shrestha, Sajan, Overvig, Adam Christopher, Lu, Ming, Stein, Aaron, Agarwal, Anuradha Murthy, Loncar, Marko, and Yu, Nanfang. Mon .
"Controlling propagation and coupling of waveguide modes using phase-gradient metasurfaces". United States. https://doi.org/10.1038/NNANO.2017.50. https://www.osti.gov/servlets/purl/1412777.
@article{osti_1412777,
title = {Controlling propagation and coupling of waveguide modes using phase-gradient metasurfaces},
author = {Li, Zhaoyi and Kim, Myoung -Hwan and Wang, Cheng and Han, Zhaohong and Shrestha, Sajan and Overvig, Adam Christopher and Lu, Ming and Stein, Aaron and Agarwal, Anuradha Murthy and Loncar, Marko and Yu, Nanfang},
abstractNote = {Here, research on two-dimensional designer optical structures, or metasurfaces, has mainly focused on controlling the wavefronts of light propagating in free space. Here, we show that gradient metasurface structures consisting of phased arrays of plasmonic or dielectric nanoantennas can be used to control guided waves via strong optical scattering at subwavelength intervals. Based on this design principle, we experimentally demonstrate waveguide mode converters, polarization rotators and waveguide devices supporting asymmetric optical power transmission. We also demonstrate all-dielectric on-chip polarization rotators based on phased arrays of Mie resonators with negligible insertion losses. Our gradient metasurfaces can enable small-footprint, broadband and low-loss photonic integrated devices.},
doi = {10.1038/NNANO.2017.50},
journal = {Nature Nanotechnology},
number = 7,
volume = 12,
place = {United States},
year = {Mon Apr 17 00:00:00 EDT 2017},
month = {Mon Apr 17 00:00:00 EDT 2017}
}
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