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Type: Journal article
Title: Three-dimensional ultra-broadband integrated tapered mode multiplexers
Author: Gross, S.
Riesen, N.
Love, J.
Withford, M.
Citation: Laser and Photonics Reviews, 2014; 8(5):L81-L85
Publisher: Wiley-VCH Verlag
Issue Date: 2014
ISSN: 1863-8880
Statement of
Simon Gross, Nicolas Riesen, John D. Love and Michael J. Withford
Abstract: The demonstration of a three-dimensional tapered mode-selective coupler in a photonic chip is reported. This waveguide-based, ultra-broadband mode multiplexer was fabricated using the femtosecond laser direct-write technique in a boro-aluminosilicate glass chip. A three-core coupler has been shown to enable the multiplexing of the LP01, LPinline image and LPinline image spatial modes of a multimode waveguide, across an extremely wide bandwidth exceeding 400 nm, with low loss, high mode extinction ratios and negligible mode crosstalk. Linear cascades of such devices on a single photonic chip have the potential to become a definitive technology in the realization of broadband mode-division multiplexing for increasing optical fiber capacity.
Keywords: Mode-division multiplexing; space-division multiplexing; ultrafast material processing; integrated optics devices; optical interconnects; tapered couplers; glass waveguides; mode multiplexers
Rights: © 2014 by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
DOI: 10.1002/lpor.201400078
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