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Journal of Lightwave Technology

Journal of Lightwave Technology

| A JOINT IEEE/OSA PUBLICATION

  • Vol. 23, Iss. 1 — Jan. 1, 2005
  • pp: 413–

Integrated Optical Components Utilizing Long-Range Surface Plasmon Polaritons

Alexandra Boltasseva, Thomas Nikolajsen, Kristjan Leosson, Kasper Kjaer, Morten S. Larsen, and Sergey I. Bozhevolnyi

Journal of Lightwave Technology, Vol. 23, Issue 1, pp. 413- (2005)


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Abstract

New optical waveguide technology for integrated optics, based on propagation of long-range surface plasmon polaritons (LR-SPPs) along metal stripes embedded in dielectric, is presented. Guiding and routing of electromagnetic radiation along nanometer-thin and micrometer-wide gold stripes embedded in polymer via excitation of LR-SPPs is investigated in the wavelength range of 1250-1650 nm. LR-SPP guiding properties, such as the propagation loss and mode-field diameter, are investigated for different stripe widths and thicknesses. A propagation loss of ~6 dB/cm, a coupling loss of ~0.5 dB (per facet), and a bend loss of ~5 dB for a bend radius of 15 mm are evaluated for 15-nm-thick and 8-µm-wide stripes at the wavelength of 1550 nm. LR-SPP-based 3-dB power Y-splitters, multimode interference waveguides, and directional couplers are demonstrated and investigated. At 1570 nm, coupling lengths of 1.9 and 0.8 mm are found for directional couplers with, respectively, 4-and 0-µm-separated waveguides formed by 15-nm-thick and 8-µm-wide gold stripes. LR-SPP-based waveguides and waveguide components are modeled using the effective-refractive-index method, and good agreement with experimental results is obtained.

© 2005 IEEE

Citation
Alexandra Boltasseva, Thomas Nikolajsen, Kristjan Leosson, Kasper Kjaer, Morten S. Larsen, and Sergey I. Bozhevolnyi, "Integrated Optical Components Utilizing Long-Range Surface Plasmon Polaritons," J. Lightwave Technol. 23, 413- (2005)
http://www.opticsinfobase.org/jlt/abstract.cfm?URI=jlt-23-1-413

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