Journal
OPTICS EXPRESS
Volume 19, Issue 3, Pages 2401-2409Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.19.002401
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Funding
- National Science Foundation
- Defense Advanced Research Projects Agency (DARPA)
- NSF CIAN ERC
- Cymer corporation
- U.S. Army Research Office
- Oracle [HR0011-08-9-0001]
- Directorate For Engineering
- Div Of Electrical, Commun & Cyber Sys [1063976, 0959072] Funding Source: National Science Foundation
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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(-9)m(2). (C) 2011 Optical Society of America
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