Multimode Si-Wire Waveguides for Integrated Optical Delay Lines

Masatoshi Tokushima, Juan José Vegas Olmos, Ken-ichi Kitayama

Research output: Contribution to journalJournal articleResearchpeer-review


A delay line of multimode Si-wire waveguide folded with 45deg mirror bends is described. A 17 cm waveguide with a core size of 1times3 mum2 was integrated in an area of 0.85 mm2. The waveguide generated a constant group delay of 2 ns in the entire C-band with a typical optical loss of 14 dB. It also exhibited an error-free operation for 10 Gbit/s optical data signals.
Original languageEnglish
JournalElectronics Letters
Issue number10
Pages (from-to)500-501
Publication statusPublished - 2009
Externally publishedYes


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