A folded AWG design tolerant to angular misalignments of external folding mirror is proposed. We demonstrate a hybrid implementation of athermal AWG with 10-fold reduction (~0.09 GHz/°C) of temperature shift of central wavelength.
© 2005 Optical Society of America
(130.0130) Integrated optics : Integrated optics
(130.3120) Integrated optics : Integrated optics devices
(220.0220) Optical design and fabrication : Optical design and fabrication
(220.4830) Optical design and fabrication : Systems design
N. M. Stelmakh and M. Vasilyev, " Design of Athermal Folded Arrayed Waveguide Grating with External Mirror," in Integrated Photonics Research and Applications/Nanophotonics for Information Systems, Technical Digest (Optical Society of America, 2005), paper ITuF3.
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