Journal
OPTICS EXPRESS
Volume 25, Issue 26, Pages 32964-32971Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.25.032964
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Funding
- Chinese Scholarship Council
- National Natural Science Foundation of China [61465015]
- center of excellence: Silicon Photonics for Optical Communications - Danish National Research Foundation [DNRF123]
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We propose a silicon waveguide structure employing silica-filled vertical-dual slots for broadband wavelength conversion, which can be fabricated using simple silicon-on-insulator technology. We demonstrate group-velocity dispersion tailoring by varying the width of the core, the slots and the side strips, and put forward a method to achieve spectrally-flattened near-zero anomalous group-velocity dispersion at telecom wavelengths. A proposed structure provides a group-velocity dispersion parameter beta(2) of -60 ps(2)/km with an effective mode area Aeff of 0 : 075 mu m(2) at 1550 nm. This structure is predicted to significantly broaden the bandwidth of wavelength conversion via four-wave mixing, which is validated with experimentally measured 3 dB bandwidth of 76 nm. (C) 2017 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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