LOW-LOSS CHANNEL WAVE-GUIDES IN MGOLINBO3 AND LITAO3 BY PYROPHOSPHORIC ACID PROTON-EXCHANGE

被引：22

作者：

YAMAMOTO, K

MIZUUCHI, K

TANIUCHI, T

机构：

[1] Optical Devices Research Laboratory, Components and Devices Research Center, Matsushita Electric Industrial Co. Ltd, Moriguchi, Osaka, 570

来源：

JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS | 1992年 / 31卷 / 04期

关键词：

WAVE-GUIDE; MGOLINBO3; LITAO3; PYROPHOSPHORIC ACID; PROTON EXCHANGE;

D O I：

10.1143/JJAP.31.1059

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

The characteristics of proton-exchanged MgO-doped LiNbO3 (MgO:LiNbO3) and LiTaO3 waveguides fabricated by the pyrophosphoric acid process are reported. Using this process, low-loss (0.4 dB/cm) channel waveguides in MgO:LiNbO3 have been realized at 633 nm without annealing. The optical damage in MgO:LiNbO3 waveguides at 441.6 nm wavelength is lower than that obtained in LiNbO3. For LiTaO3, by annealing, low-loss (0.3 dB/cm) channel waveguides can be fabricated by pyrophosphoric acid proton exchange. No optical damage was observed in the LiTaO3 waveguides even when the incident power was above 1 mW at 442 nm.

引用

页码：1059 / 1064

页数：6

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