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Optical design of bent rib waveguide with MOS cross-section |
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| Authors: | Chih T’sung Shih Zhi Wei Zeng Yin Cheng Chang Yao-Jen Lee Shiuh Chao |
| Institution: | (1) Industrial Technology Research Institute, Chutung, Hsinchu, Taiwan, 31040, R.O.C.;(2) Institute of Photonics Technologies, National Tsing Hua University, Hsinchu, Taiwan, 30013, R.O.C.;(3) National Nano Device Laboratories, Hsinchu, Taiwan, 30013, R.O.C. |
| Abstract: | We provided a single-mode bent MOS-cross-section rib waveguide design with 0.9 dB/cm bending loss at 25 μm bending radius. The peak position for the TE-like mode was tuned to the gate oxide around which the maximum amount of free carriers are accumulated to optimize the free carrier dispersion effect. |
| Keywords: | integrated optics modulator optical waveguides rib waveguide waveguide bends waveguide |
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