Wide Waveguide Concatenated Euler Bends for Compact and Fabrication Error-Tolerant Pseudo-Single Mode Silicon Photonics
Shota Kita, Bedilu Daniel, Yuriko Maegami, Morifumi Ohno, Guangwei Cong, Noritsugu Yamamoto, Koji Yamada, Akihiko Shinya, Masaya Notomi · 2024
We propose novel wide waveguide bends for compact, fabrication error-tolerant silicon photonics. They experimentally show ultrasmall bend loss < 0.005 dB/bend with an 8-um radius. Their 10×10 interferometers show a fidelity of 0.979 without calibration.