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Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Xi-Cheng Zhang
  • Vol. 39, Iss. 13 — Jul. 1, 2014
  • pp: 3900–3902

Mode division multiplexing in a polymer-loaded plasmonic planar waveguide

Q. Q. Cheng, T. Li, L. Li, S. M. Wang, and S. N. Zhu  »View Author Affiliations


Optics Letters, Vol. 39, Issue 13, pp. 3900-3902 (2014)
http://dx.doi.org/10.1364/OL.39.003900


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Abstract

A mode division multiplexer (MDM) based on in-plane diffractions is experimentally demonstrated in a polymer-loaded plasmonic planar waveguide. Three guided modes (TM1, TE1, and TM2) were well demultiplexed by a focusing design with a focal length of about 40 μm, which are clearly distinguished by the polarization control. The experimental results well reproduced the theoretical design and calculation. Moreover, the demultiplexed focal spots directly reflect the different modes, by which a mode diagram of the dielectric-loaded planar waveguide was vividly mapped out by varying the polymer layer thickness. In this regard, the proposed device may not only serve as a MDM for the integrated optics but can also provide a new strategy in analyzing the guided modes.

© 2014 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(130.2790) Integrated optics : Guided waves
(240.3990) Optics at surfaces : Micro-optical devices

ToC Category:
Integrated Optics

History
Original Manuscript: March 31, 2014
Revised Manuscript: May 25, 2014
Manuscript Accepted: May 27, 2014
Published: June 25, 2014

Citation
Q. Q. Cheng, T. Li, L. Li, S. M. Wang, and S. N. Zhu, "Mode division multiplexing in a polymer-loaded plasmonic planar waveguide," Opt. Lett. 39, 3900-3902 (2014)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-39-13-3900


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