Abstract
We propose and experimentally demonstrated a thermally tunable ring reflector, which is made up of a Y-branch splitter and ring resonator on SOI platform using a CMOS-photonics technology. The results show good reflectivity which can up to be 90 % near the 1550 nm. The reflective response is successfully tuned by one free spectral range through thermo-optic effect with a tuning efficiency of 5.3 mW/nm. We also discuss its applications in silicon hybrid lasers.
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Acknowledgments
This work is supported by the Nature Basic Research Program of China (2013CB632105), the National Natural Science Foundation of China (61177055) and the National Basic Research Program of China (2012AA012203).
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Li, X., Wan, Y., Hu, T. et al. A tunable silicon ring reflector. J Opt 44, 26–29 (2015). https://doi.org/10.1007/s12596-014-0225-6
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DOI: https://doi.org/10.1007/s12596-014-0225-6