Near-infrared tunable lasers with polymer waveguide Bragg gratings

被引：27
|
作者：
Son, Nam-Seon [1 ]
Kim, Kyung-Jo [1 ]
Kim, Jun-Whee [2 ]
Oh, Min-Cheol [1 ,2 ]
机构：
[1] Pusan Natl Univ, Sch Elect Engn, Pusan 609735, South Korea
[2] Pusan Natl Univ, Grad Sch Cogno Mechatron Engn, Pusan 609735, South Korea
来源：
OPTICS EXPRESS | 2012年 / 20卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
OPTICAL-COHERENCE TOMOGRAPHY; NM; SYSTEM; MU;
D O I：
10.1364/OE.20.000827
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
Wavelength tunable lasers operating at near infrared (NIR) wavelength are demonstrated through the thermo-optic (TO) refractive index tuning of polymer waveguide Bragg reflectors. The polymer-waveguide device has superior TO efficiency for substantially changing the refractive index, and it enables direct tuning of the Bragg reflection wavelength over a wide range. The waveguide is optimized for NIR wavelengths, and a third-order Bragg reflector is incorporated for facilitating fabrication of the grating. The laser exhibits an output power of 0 dBm, a side-mode suppression ratio of 40 dB, and a tuning range of 21 nm. (C)2012 Optical Society of America
引用
收藏
页码：827 / 834
页数：8
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