Dispersion characteristics of holographic multiple-channel demultiplexers

Author

Han, Seunghoon ; Kim, Taesu ; Chung, Seungwhan ; Lee, Byoungho

Author_Institution

Sch. of Electr. Eng., Seoul Nat. Univ., South Korea

Volume

16

Issue

8

fYear

2004

Firstpage

1879

Lastpage

1881

Abstract

Chromatic dispersion characteristics over multiple channels in holographic grating (HG) demultiplexers are modeled and analyzed, theoretically and experimentally. The dispersion arises from a combination of out-coupling lens aberration and the HG phase structure. A theoretical model of the channel spectrum of a demultiplexer was assembled, based on the first-order Born approximation of the volume diffraction and verified by experimental and numerical data. These results show that the HG phase structure becomes an effective design parameter that could be used to control the dispersion in a high-performance multiple-channel dense wavelength-division-multiplexing demultiplexer.

Keywords

demultiplexing equipment; holographic gratings; lenses; optical communication equipment; optical dispersion; wavelength division multiplexing; channel spectrum; chromatic dispersion; dispersion characteristics; first-order Born approximation; high-performance multiple-channel dense wavelength-division multiplexing demultiplexer; holographic channel demultiplexers; holographic grating demultiplexers; holographic grating phase structure; out-coupling lens aberration; volume diffraction; Arrayed waveguide gratings; Chromatic dispersion; Holography; Mercury (metals); Optical collimators; Optical diffraction; Optical filters; Optical recording; Scattering; Wavelength division multiplexing;

fLanguage

English

Journal_Title

Photonics Technology Letters, IEEE

Publisher

ieee

ISSN

1041-1135

Type

jour

DOI

10.1109/LPT.2004.829773

Filename

1316954