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Polarization dependence of the coupling ratio in LiTaO_3 directional couplers

โœ Scribed by Shin, Yong-Wook ;Eknoyan, Ohannes ;Taylor, Henry F.

Book ID
115351919
Publisher
The Optical Society
Year
2005
Tongue
English
Weight
389 KB
Volume
44
Category
Article
ISSN
1559-128X

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Adjustment of the coupling ratio by lase
Adjustment of the coupling ratio by laser ablation of Ti:LiNbO3 directional couplers
โœ Chii-Chang Chen; Henri Porte; Jean-Pierre Goedgebuer; Vincent Armbruster; Richar ๐Ÿ“‚ Article ๐Ÿ“… 2002 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 119 KB

The coupling ratio of directional couplers in Z-cut Y-propagation and X-cut Z-propagation LiNbO3 crystals was adjusted by laser ablation. The coupling ratio change is more e cient for the TM-mode of Z-cut couplers. The method can be used to correct the uncertainty of the coupling ratio for direction