DocumentCode
399983
Title
Effect of the first-order mode in access waveguides on the performance of unbalanced MMI couplers
Author
Patent, E.A. ; van der Tol, J.J.G.M. ; Binsma, J.J.M. ; Smit, M.K.
Author_Institution
Fac. of Electr. Eng., Opto-Electron. Devices, Eindhoven Univ. of Technol., Netherlands
Volume
1
fYear
2003
fDate
27-28 Oct. 2003
Firstpage
354
Abstract
This study demonstrates that the excitation of the first-order mode in access waveguides can significantly deteriorate the coupling ratio of unbalanced MMI couplers and increase the excess losses. Care, therefore, should be taken in coupling light into the access waveguides, as well as in the circuit design to avoid this effect. Another option for this, as measurement results suggest, is controlling the relative phase difference.
Keywords
integrated optics; optical couplers; optical losses; optical testing; optical waveguides; access waveguides; first-order mode; optical losses; unbalanced MMI couplers; Communications technology; Couplers; Etching; Integrated circuit technology; Integrated optics; Optical devices; Optical films; Optical waveguides; Optoelectronic devices; Photonic integrated circuits;
fLanguage
English
Publisher
ieee
Conference_Titel
Lasers and Electro-Optics Society, 2003. LEOS 2003. The 16th Annual Meeting of the IEEE
ISSN
1092-8081
Print_ISBN
0-7803-7888-1
Type
conf
DOI
10.1109/LEOS.2003.1251792
Filename
1251792
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