Twisted chains of resonant particles: optical polarization control, waveguidance, and radiation
Optics Letters, Vol. 35, Issue 15, pp. 2579-2581 (2010)
http://dx.doi.org/10.1364/OL.35.002579
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Abstract
Linear chains of metallic nanoparticles that are sequentially rotated about the chain axis display interesting polarization-sensitive optical properties. Such twisted chains posses and extend properties of chiral gratings and general periodic gratings. They are characterized by high anisotropy and polarization sensitivity, and have subwavelength transverse dimensions. These structures are shown to support transverse modes with distinct propagation wavenumbers and radiation properties, including slow (bound) and fast (radiative) modes. They also have stop bands of different types, resulting from coupling between distinct transverse modes, as well as coupling with different higher-order diffraction modes.
© 2010 Optical Society of America
OCIS Codes
(130.2790) Integrated optics : Guided waves
(250.5403) Optoelectronics : Plasmonics
(050.6624) Diffraction and gratings : Subwavelength structures
(130.5440) Integrated optics : Polarization-selective devices
ToC Category:
Optical Devices
History
Original Manuscript: April 5, 2010
Revised Manuscript: June 15, 2010
Manuscript Accepted: June 25, 2010
Published: July 26, 2010
Citation
D. Van Orden, Y. Fainman, and V. Lomakin, "Twisted chains of resonant particles: optical polarization control, waveguidance, and radiation," Opt. Lett. 35, 2579-2581 (2010)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-35-15-2579
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