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Design and fabrication of metal-wire nanograting used as polarizing beam splitter in optical telecommunication

L. ZHANG1,* , C. LI1, JING LI2, F. ZHANG1, L. SHI1

Affiliation

  1. Department of Physics, Wuhan university, Wuhan, China
  2. Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China

Abstract

There was developed a metal-wire nanograting device as a polarizing beam splitter (PBS) for optical telecommunication applications. Effective Medium Theory (EMT) was used for initial design and Rigorous Coupled Wave Analysis (RCWA) was used for optimization. Metal-wire nanogratings were fabricated on glass substrate using nanoimprint lithography (NIL) and reactive ion etching (RIE) process. Experimental investigation shows that the PBS device has uniform performance with broadband wavelength and wide variations in the angle of incidence. These features together with the small size make these PBSs desirable for use in optical telecommunication and allow more compact component design.

Keywords

Polarizing beam splitters, Metal wire nanograting, Nanoimprint lithography.

Citation

L. ZHANG, C. LI, JING LI, F. ZHANG, L. SHI, Design and fabrication of metal-wire nanograting used as polarizing beam splitter in optical telecommunication, Optoelectronics and Advanced Materials - Rapid Communications, 1, 6, June 2007, pp.263-266 (2007).

Submitted at: Feb. 3, 2007

Accepted at: April 25, 2007