Polarization-selective directional coupler using Ti-indiffused MgO:LiNbO3 waveguide

被引：2
|
作者：
Seo, Hiroshi [1 ]
Suhara, Toshiaki [1 ]
机构：
[1] Osaka Univ, Grad Sch Engn, Div Elect Elect & Informat Engn, Suita, Osaka 5650871, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS | 2015年 / 54卷 / 05期
关键词：
LITHIUM-NIOBATE; LINBO3; GENERATION; DIFFUSION; SPLITTER; PHOTONS;
D O I：
10.7567/JJAP.54.058001
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ti-indiffused MgO:LiNbO3 (MgO:LN) waveguides for telecom wavelength band confine extraordinary light much more strongly than ordinary light. We demonstrated a polarization-selective directional coupler utilizing this characteristic. The coupler was fabricated in a Z-cut MgO (5 mol %): LN crystal by thermal diffusion of Ti stripe at 1135 degrees C for 11 h in dry Ar followed by 1 h in dry O-2. We achieved the highest extinction ratio of 13 dB. (C) 2015 The Japan Society of Applied Physics
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页数：3
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