Lithographic wavelength control of an external cavity laser with a silicon photonic crystal cavity-based resonant reflector
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We report the experimental demonstration of a new design for external cavity hybrid lasers consisting of a III-V semiconductor optical amplifier (SOA) with fiber reflector and a photonic crystal (PhC)-based resonant reflector on SOI. The silicon reflector is composed of an SU8 polymer bus waveguide vertically coupled to a PhC cavity and provides a wavelength-selective optical feedback to the laser cavity. This device exhibits milliwatt-level output power and side-mode suppression ratios of more than 25 dB.
Liles , A A , Debnath , K & O'Faolain , L 2016 , ' Lithographic wavelength control of an external cavity laser with a silicon photonic crystal cavity-based resonant reflector ' Optics Letters , vol 41 , no. 5 , pp. 894-897 . DOI: 10.1364/OL.41.000894
© 2016, Publisher / the Author(s). This work is made available online in accordance with the publisher’s policies. This is the author created, accepted version manuscript following peer review and may differ slightly from the final published version. The final published version of this work is available at www.osapublishing.org / https://dx.doi.org/10.1364/OL.41.000894
Engineering and Physical Sciences Research Council (EPSRC) (doctoral grant EP/L505079/1); European Research Council (ERC) (Starting Grant 337508); Scottish Enterprise.
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