INTEGRATED OPTIC WAVELENGTH DEMULTIPLEXER USING A COPLANAR GRATING LENS

被引：8
|
作者：
URA, S [1 ]
MORISAWA, M [1 ]
SUHARA, T [1 ]
NISHIHARA, H [1 ]
机构：
[1] MITSUBISHI CABLE IND LTD,DIV TELECOMMUN,ITAMI,HYOGO 664,JAPAN
来源：
APPLIED OPTICS | 1990年 / 29卷 / 09期
关键词：
D O I：
10.1364/AO.29.001369
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An integrated optic wavelength-demultiplexer (IOWD) is proposed and demonstrated. A coplanar grating lens in a single-mode slab waveguide is utilized for wavelength separating and focusing functions. The grating lens and input/output channel waveguides are monolithically integrated in a waveguiding film on a rectangular Si substrate. The IOWD was designed for demultiplexing nine wavelengths from 0.778 to 0.802 μm (3-nm separation) with ≲-20-dB crosstalk. The device requires no additional collimating or focusing lenses and was fabricated by a planar process including an electron-beam writing technique. The demultiplexing principle is demonstrated by elementary experiments using single-mode laser diodes. © 1990 Optical Society of America.
引用
收藏
页码：1369 / 1373
页数：5
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