UV-written long-period waveguide grating coupler for broadband add/drop multiplexing

被引:12
作者
Chow, C. K. [1 ]
Chiang, K. S. [1 ]
Liu, Q. [1 ]
Lor, K. P. [1 ]
Chan, H. P. [1 ]
机构
[1] City Univ Hong Kong, Dept Elect Engn, Hong Kong, Hong Kong, Peoples R China
关键词
Integrated optics; Long-period waveguide grating (LPWG); Optical coupler; Optical waveguide; Polymer waveguide; UV-writing; ADD-DROP MULTIPLEXER; FILTER; WAVELENGTH; DESIGN; OADM;
D O I
10.1016/j.optcom.2008.10.007
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate a UV-written polymer long-period waveguide grating (LPWG) coupler, which offers a bandwidth of similar to 20 nm, a maximum coupling efficiency of similar to 80% and similar to 60% for the TE and TM polarizations, respectively, and a wavelength-tuning range over the (S + C + L)-band (similar to 140 nm) with a temperature control of similar to 25 degrees C. The LPWG coupler has the potential to be developed into a practical broadband add/drop multiplexer for coarse wavelength-division-multiplexing applications. (C) 2008 Elsevier B.V. All rights reserved.
引用
收藏
页码:378 / 381
页数:4
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