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An ultracompact multimode interference wavelength splitter employing asymmetrical multi-section structures

 
: Yao, C.; Bach, H.G.; Zhang, R.Y.; Zhou, G.; Choi, J.H.; Jiang, C.H.; Kunkel, R.

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Postprint (PDF; )

Optics Express 20 (2012), No.16, pp.18248-18253
ISSN: 1094-4087
English
Journal Article, Electronic Publication
Fraunhofer HHI ()

Abstract
By using the film mode matching method, a novel design for asymmetrical multi-section 1.55/1.31 mu m wavelength splitter based on multimode interference has been proposed and simulated, which can be effectively applied to wavelength multiplexer, self-biased photodiode, and other optical devices. Compared with the conventional wavelength splitter design, the length of the novel structure has been reduced to at least 1/5, showing better performance. The presented structure is also adequate for splitting other wavelengths and more tolerable fabrications.

: http://publica.fraunhofer.de/documents/N-225439.html