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Journal of the Optical Society of America B

Journal of the Optical Society of America B

| OPTICAL PHYSICS

  • Editor: Henry M. Van Driel
  • Vol. 25, Iss. 8 — Aug. 1, 2008
  • pp: 1387–1392

Numerical optimization of wide-angle, broadband operational polarization beam splitter based on aniostropically coupled surface-plasmon-polariton waves

Chao-Yi Tai, Sheng Hsiung Chang, and TsenChieh Chiu  »View Author Affiliations


JOSA B, Vol. 25, Issue 8, pp. 1387-1392 (2008)
http://dx.doi.org/10.1364/JOSAB.25.001387


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Abstract

We present the design and optimization of a wide-angle and broadband operational polarization beam splitter by simultaneously satisfying a high reflection of the transverse magnetic (TM) wave and high transmission of the transverse electric (TE) wave using coupled plasmonic waveguides. The finite-difference time-domain (FDTD) method is used in the optimization process where various structural parameters are scanned, and design maps applicable to most III-V material systems are established. Wide-angle operation of over 0° to 70° and ultrabroadband operation over 500 nm with insertion loss less than 1.0 dB are predicted. The extinction ratio is better than 17 dB , and it is realizable on a chip as small as 0.1 × 2 μ m 2 .

© 2008 Optical Society of America

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5440) Optical devices : Polarization-selective devices
(240.6680) Optics at surfaces : Surface plasmons

ToC Category:
Optical Devices

History
Original Manuscript: April 21, 2008
Revised Manuscript: June 26, 2008
Manuscript Accepted: June 26, 2008
Published: July 30, 2008

Citation
Chao-Yi Tai, Sheng Hsiung Chang, and TsenChieh Chiu, "Numerical optimization of wide-angle, broadband operational polarization beam splitter based on aniostropically coupled surface-plasmon-polariton waves," J. Opt. Soc. Am. B 25, 1387-1392 (2008)
http://www.opticsinfobase.org/josab/abstract.cfm?URI=josab-25-8-1387

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