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Optics Express

Optics Express

  • Editor: Andrew M. Weiner
  • Vol. 21, Iss. 10 — May. 20, 2013
  • pp: 12790–12796

CMOS compatible horizontal nanoplasmonic slot waveguides TE-pass polarizer on silicon-on-insulator platform

Ying Huang, Shiyang Zhu, Huijuan Zhang, Tsung-Yang Liow, and Guo-Qiang Lo  »View Author Affiliations

Optics Express, Vol. 21, Issue 10, pp. 12790-12796 (2013)

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An ultra-compact broadband TE-pass polarizer was proposed and demonstrated on the silicon-on-insulator (SOI) platform, using the horizontal nanoplasmonic slot waveguide (HNSW). Detailed design principle was presented, taking advantage of the distinct confinement region of the TE and TM modes in the HNSW. TM mode cut-off could be achieved when waveguide width was below 210nm. Proof-of-concept devices were subsequently fabricated in a CMOS-compatible process. The optimized device had an active region length of 1μm, three orders of magnitude smaller than similar device previously demonstrated on the SOI platform. More than 16dB polarization extinction ratio was achieved across 80nm wavelength range, with a relatively low insertion loss of 2.2dB. The compact device size and excellent broadband performance could provide a simple yet satisfactory solution to the polarization dependent performance drawback of the silicon photonics devices on the SOI platform.

© 2013 OSA

OCIS Codes
(230.3120) Optical devices : Integrated optics devices
(230.5440) Optical devices : Polarization-selective devices
(230.7370) Optical devices : Waveguides
(250.5403) Optoelectronics : Plasmonics

ToC Category:
Optical Devices

Original Manuscript: January 18, 2013
Revised Manuscript: March 2, 2013
Manuscript Accepted: March 3, 2013
Published: May 16, 2013

Ying Huang, Shiyang Zhu, Huijuan Zhang, Tsung-Yang Liow, and Guo-Qiang Lo, "CMOS compatible horizontal nanoplasmonic slot waveguides TE-pass polarizer on silicon-on-insulator platform," Opt. Express 21, 12790-12796 (2013)

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