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Applied Optics

Applied Optics


  • Editor: James C. Wyant
  • Vol. 47, Iss. 3 — Jan. 20, 2008
  • pp: 312–316

Embedded metal-wire nanograting and its application in an optical polarization beam splitter∕combiner

Dingli Wang, Wen Liu, Qingming Xiao, and Jing Shi  »View Author Affiliations

Applied Optics, Vol. 47, Issue 3, pp. 312-316 (2008)

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What we believe to be a new type of embedded metal-wire nanograting is fabricated, in which the metal wires are embedded under the trenches of the substrate, and a cladding layer is deposited on the surface of the trenches to protect the metal-wire grating. The substrate of the nanograting is antireflectively coated to further increase the performance of the device. This novel embedded nanograting has a high extinction ratio, low insertion loss for optical communication wavelengths, and good wearability for practical applications. This kind of metal-wire nanograting is attractive as a polarizing beam splitter or combiner to construct various optical devices. By using this newly developed kind of nanograting, a polarization beam splitter∕combiner with good performance is fabricated.

© 2008 Optical Society of America

OCIS Codes
(050.1950) Diffraction and gratings : Diffraction gratings
(220.4000) Optical design and fabrication : Microstructure fabrication
(230.1360) Optical devices : Beam splitters
(230.5440) Optical devices : Polarization-selective devices

ToC Category:
Diffraction and Gratings

Original Manuscript: July 30, 2007
Revised Manuscript: November 9, 2007
Manuscript Accepted: November 16, 2007
Published: January 14, 2008

Dingli Wang, Wen Liu, Qingming Xiao, and Jing Shi, "Embedded metal-wire nanograting and its application in an optical polarization beam splitter/combiner," Appl. Opt. 47, 312-316 (2008)

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