Weighted distributed feedback structure for all-optical bistable devices

被引：11
|
作者：
Nakatsuhara, K
Mizumoto, T
Munakata, R
Naito, Y
机构：
[1] Department of Physical Electronics, Tokyo Institute of Technology, Meguro–ku, Tokyo, 152, 2-12-1, Ookayama
来源：
APPLIED OPTICS | 1996年 / 35卷 / 09期
关键词：
waveguide device; nonlinear optics; optical bistable device;
D O I：
10.1364/AO.35.001507
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We proposed to use a distributed feedback structure with a weighted coupling coefficient (W-DFB) in an all-optical bistable device in order to improve on-state transmittance and to reduce threshold intensity. Through numerical calculations, characteristics of the W-DFB structure were discussed compared with those of a conventional DFB structure. The W-DFB optical bistable device exhibits high on-state transmittance and low-threshold input intensity. Fabrication of the W-DFB structure with a periodicity of 169.8 Ma is demonstrated on a CdSxSe1-x-doped glass substrate by means of holographic exposure with a double-coated photoresist and reactive ion etching in CHF3.
引用
收藏
页码：1507 / 1511
页数：5
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