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

LIANG ZHANG1,* , CHENGFANG LI1, JING LI2, FEI ZHANG1, LINA SHI1

Affiliation

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

Abstract

We developed a metal-wire nanograting device as a polarizing beam splitter (PBS) for the optical telecommunication applications. Effective Medium Theory (EMT) was used for initial design and Rigorous Coupled Wave Analysis (RCWA) was used for optimization. We fabricate metal-wire nanogratings 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 with their small size make these PBSs desirable for use in optical telecommunication and allow more compact component designs..

Keywords

Polarizing beam splitters, Metal wire nanograting, Nanoimprint lithography.

Submitted at: Feb. 27, 2006
Accepted at: March 23, 2006

Citation

LIANG ZHANG, CHENGFANG LI, JING LI, FEI ZHANG, LINA SHI, Design and fabrication of metal-wire nanograting used as polarizing beam splitter in optical telecommunication, Journal of Optoelectronics and Advanced Materials Vol. 8, Iss. 2, pp. 847-850 (2006)