Wide bandwidth, low loss 1 by 4 wavelength division multiplexer on silicon for optical interconnects

D. T. H. Tan, K. Ikeda, S. Zamek, A. Mizrahi, M. P. Nezhad, A. V. Krishnamoorthy, K. Raj, J. E. Cunningham, X. Zheng, I. Shubin, Y. Luo, Y. Fainman

Research output: Contribution to journalArticlepeer-review

Abstract

We demonstrate an add/drop filter based on coupled vertical gratings on silicon. Tailoring of the channel bandwidth and wavelength is experimentally demonstrated. The concept is extended to implement a 1 by 4 wavelength division multiplexer with 6nm channel separation, 3nm bandwidth, a flat top response with < 0.8dB ripple within the 3dB passband, 1dB insertion loss and 16dB crosstalk suppression. The device is ultracompact, having a footprint < 2 X 10−9m2.
Original languageEnglish
Pages (from-to)2401-2409
Number of pages9
JournalOptics Express
Volume19
Issue number3
Early online date24 Jan 2011
DOIs
Publication statusPublished - 31 Jan 2011

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