All-fiber nonvolatile broadband optical switch using an all-optical method

被引：8

作者：

Zhang, Yu ^{[1
]}

Chen, Jiming ^{[1
]}

Liu, Shuai ^{[1
]}

Jin, Wei ^{[1
]}

Cheng, Siying ^{[1
]}

Zhang, Yaxun ^{[1
]}

Liu, Zhihai ^{[1
,2
]}

Zhang, Jianzhong ^{[1
]}

Yuan, Libo ^{[1
,3
]}

机构：

[1] Harbin Engn Univ, Key Lab In Fiber Integrated Opt, Minist Educ China, Harbin 150001, Peoples R China

[2] Harbin Engn Univ, Natl Demonstrat Ctr Expt Phys Educ, Harbin 150001, Peoples R China

[3] Guilin Univ Elect Technol, Photon Res Ctr, Guilin 541004, Peoples R China

来源：

OPTICS LETTERS | 2022年 / 47卷 / 14期

基金：

中国国家自然科学基金;

关键词：

PHASE-CHANGE MATERIALS; REFRACTIVE-INDEX;

D O I：

10.1364/OL.462200

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

Optical switches based on phase change materials have enormous application potential in optical logic circuits and optical communication systems. Integration of all-optical switching devices with optical fibers is a promising approach for realizing practical applications in enabling the optical fiber to transmit and process signals simultaneously. We describe an all-fiber nonvolatile broadband optical switch using an all-optical method. We use a single optical pulse to modulate the phase change material deposited on the tapered fiber to achieve logical control of the transmitted light. The response time of our optical switch is 80 ns for SET and 200 ns for RESET. Our optical switches can operate in the C-band (1530-1565 nm). The optical switching contrast is 40%. Our approach paves the way for all-optical nonvolatile fiber optic communication. (C) 2022 Optics Publishing Group

引用

页码：3604 / 3607

页数：4

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