Cascaded Mach-Zehnder wavelength filters in silicon photonics for low loss and flat pass-band WDM (de-)multiplexing

Folkert Horst, William M.J. Green, Solomon Assefa, Steven M. Shank, Yurii A. Vlasov, Bert Jan Offrein

Research output: Contribution to journalArticle

Abstract

We present 1-to-8 wavelength (de-)multiplexer devices based on a binary tree of cascaded Mach-Zehnder-like lattice filters, and manufactured using a 90 nm CMOS-integrated silicon photonics technology. We demonstrate that these devices combine a flat pass-band over more than 50% of the channel spacing with low insertion loss of less than 1.6 dB, and have a small device size of approximately 500 × 400 μ m. This makes this type of filters well suited for application as WDM (de-)multiplexer in silicon photonics transceivers for optical data communication in large scale computer systems.

Original languageEnglish (US)
Pages (from-to)11652-11658
Number of pages7
JournalOptics Express
Volume21
Issue number10
DOIs
StatePublished - May 20 2013
Externally publishedYes

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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