DocumentCode :
1222427
Title :
A reconfigurable thin-film filter-based 2 x 2 add-drop fiber-optic switch structure
Author :
Sumriddetchkajorn, Sarun ; Chaitavon, Khunat
Author_Institution :
Nat. Electron. & Comput. Technol. Center, Nat. Sci. & Technol. Dev. Agency, Pathumthani, Thailand
Volume :
15
Issue :
7
fYear :
2003
fDate :
7/1/2003 12:00:00 AM
Firstpage :
930
Lastpage :
932
Abstract :
A reconfigurable 2 /spl times/ 2 add-drop fiber-optic switch structure is proposed by incorporating the independent mechanical control and alignment of an off-the-shelf thin-film filter with a reflective optical element. Cascading several 2 /spl times/ 2 add-drop switches gives a low-cost polarization-independent wavelength routing system with the limitation in optical loss that can be compensated by using optical amplifiers. The experimental result indicates a measured average optical loss of <1.30 dB at the center wavelength. In addition, the measured optical coherent crosstalk values at the center wavelength are -15 and -22 dB when the thin-film filter and the mirror are in the optical path, respectively. A very low polarization-dependent loss of <0.07 dB is also investigated.
Keywords :
mirrors; optical crosstalk; optical fibre losses; optical fibre polarisation; optical films; optical waveguide filters; photonic switching systems; telecommunication network routing; wavelength division multiplexing; 0.07 dB; 1.30 dB; WDM; alignment; cascading; center wavelength; independent mechanical control; low-cost polarization-independent wavelength routing system; mirror; off-the-shelf thin-film filter; optical amplifiers; optical coherent crosstalk values; optical loss; optical path; reconfigurable 2 by 2 add-drop fiber-optic switch structure; reflective optical element; very low polarization-dependent loss; Optical crosstalk; Optical fiber filters; Optical fiber polarization; Optical films; Optical filters; Optical losses; Optical switches; Stimulated emission; Transistors; Wavelength measurement;
fLanguage :
English
Journal_Title :
Photonics Technology Letters, IEEE
Publisher :
ieee
ISSN :
1041-1135
Type :
jour
DOI :
10.1109/LPT.2003.813453
Filename :
1206765
Link To Document :
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