Double-Stage Taper for Coupling Between SOI Waveguides and Single-Mode Fiber

A low-loss polarization-independent and wavelength-insensitive mode converter is demonstrated for coupling between standard single-mode fiber (SMF) and 1.5-¿m-thick silicon waveguides. This mode converter consists of a double-stage taper fabricated using planar processing. Optical testing results sh...

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Bibliographic Details
Published in:Journal of lightwave technology 2008-12, Vol.26 (24), p.3860-3865
Main Authors: Barkai, A., Ansheng Liu, Daewoong Kim, Cohen, R., Elek, N., Hsu-Hao Chang, Malik, B.H., Gabay, R., Jones, R., Paniccia, M., Izhaky, N.
Format: Article
Language:English
Subjects:
Applied sciences
Circuit properties
Converters
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fibers
Integrated optics. Optical fibers and wave guides
Joining
Mode converter
Noise levels
Optical and optoelectronic circuits
Optical coupling
Optical data processing
Optical devices
Optical fiber polarization
Optical losses
Optical refraction
Optical scattering
Optical variables control
Optical waveguides
Photonics
Silicon
silicon photonics
SMF coupling
Waveguides
Wavelengths
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Description
Summary:A low-loss polarization-independent and wavelength-insensitive mode converter is demonstrated for coupling between standard single-mode fiber (SMF) and 1.5-¿m-thick silicon waveguides. This mode converter consists of a double-stage taper fabricated using planar processing. Optical testing results show facet loss of approximately -1.5 dB/facet, for TE and TM polarizations across a wide wavelength range.
ISSN:0733-8724
1558-2213
DOI:10.1109/JLT.2008.928199