Design for a high dense wavelength division multiplexer based on volume holographic gratings

Shon Fu Chen; Chi Shou Wu; Ching Cherng Sun

doi:10.1117/1.1776187

Design for a high dense wavelength division multiplexer based on volume holographic gratings

Shon Fu Chen, Chi Shou Wu, Ching Cherng Sun

Department of Optics and Photonics

Research output: Contribution to journal › Article › peer-review

9 Scopus citations

Abstract

The design of a 2048-channel dense-wavelength division multiplexer (DWDM) with channel spacing of 0.05 nm (a 3-dB bandwidth) using reflection holograms in LiNbO₃ is reported. We use an innovative approach to combine angular multiplexing with wavelength multiplexing to keep the bandwidth constant within the S, C, and L band of the fiber transmission window. The key to the design is to calculate the half width at first zero (HWFZ) for the Bragg selectivity of reflection holograms derived from the VOHIL model. Thus, one can enable the channel spacing for each center wavelength of the diffraction peak to be constant and maximize the number of channels in DWDM accordingly.

Original language	English
Pages (from-to)	2028-2033
Number of pages	6
Journal	Optical Engineering
Volume	43
Issue number	9
DOIs	https://doi.org/10.1117/1.1776187
State	Published - Sep 2004

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abstract = "The design of a 2048-channel dense-wavelength division multiplexer (DWDM) with channel spacing of 0.05 nm (a 3-dB bandwidth) using reflection holograms in LiNbO3 is reported. We use an innovative approach to combine angular multiplexing with wavelength multiplexing to keep the bandwidth constant within the S, C, and L band of the fiber transmission window. The key to the design is to calculate the half width at first zero (HWFZ) for the Bragg selectivity of reflection holograms derived from the VOHIL model. Thus, one can enable the channel spacing for each center wavelength of the diffraction peak to be constant and maximize the number of channels in DWDM accordingly.",

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Design for a high dense wavelength division multiplexer based on volume holographic gratings

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