Recording method and fabrication of layered multiple volume holographic gratings for WDM

De Xing Yang, Xia Rui Guo, Hai Bin Wang, Jian Lin Zhao, Peng Zhang, Hong Li Xiang

Research output: Contribution to journalArticlepeer-review

1 Scopus citations

Abstract

For application to optical telecommunication band of layered multiple volume holographic gratings (VHG), the issue of Bragg match and the uniformity of diffraction efficiency are analyzed. Several approaches to fabricate multiple layered VHGs in LiNbO3:Fe crystal are illustrated. Three layer gratings with 1 mm thickness, 2 mm space and four gratings superimposed in each layer were written in a LiNbO3:Fe crystal by employing angle and space multiplexing techniques via two sheet beams interference. Measurement and analysis shows that twelve gratings in three layers with homogeneous diffraction efficiency and about 3 nm channel space were obtained.

Original languageEnglish
Pages (from-to)1975-1978
Number of pages4
JournalGuangzi Xuebao/Acta Photonica Sinica
Volume36
Issue number11
StatePublished - Nov 2007

Keywords

  • Holographic recording
  • Volume holographic grating
  • Wavelength demultiplexing

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