Cascade Grating Structure for Increasing the Channel Number on Holographic Demultiplexer
Jun Won AN
Research Center, LGS Co. Ltd., 248-1, Sancheok-ri, Dongtan-myeon, Hwasung-si, Gyeonggi-do, 445-812, Korea
Cascade Grating Structure for Increasing the Channel Number on Holographic Demultiplexer
Jun Won AN
Research Center, LGS Co. Ltd., 248-1, Sancheok-ri, Dongtan-myeon, Hwasung-si, Gyeonggi-do, 445-812, Korea
关键词 ：
42.40.Eq ,
42.40.Pa
Abstract ： The expansion capability of the channel number in the optical demultiplexer using two cascaded photopolymer volume gratings is reported. It could be accomplished by designing of two gratings with different spectral range. As a result of the experiment, a 0.4-nm-spaced 130-channel demultiplexer with the channel uniformity of 3.5dB, the 3dB-bandwidth of 0.12nm, and the channel crosstalk of -20dB is experimentally demonstrated.
Key words ：
42.40.Eq
42.40.Pa
出版日期: 2006-06-01
:
42.40.Eq
(Holographic optical elements; holographic gratings)
42.40.Pa
(Volume holograms)
引用本文:
Jun Won AN. Cascade Grating Structure for Increasing the Channel Number on Holographic Demultiplexer[J]. 中国物理快报, 2006, 23(6): 1459-1461.
链接本文:
https://cpl.iphy.ac.cn/CN/
或
https://cpl.iphy.ac.cn/CN/Y2006/V23/I6/1459
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