Multi-Modified Bent Waveguide

0.64 dB/cm loss at 20 mm radius

Inscribing modification lines inside the waveguide to optimize refractive index distribution without occupying extra space, achieving low-loss high-curvature bending.

Yi-Chun, Li · Xiao, Kaiheng · Zhongtian, Li · Liu, Chang · Yu, Yanhao · Tian, Zhennan

Zhongguo Jiguang/Chinese Journal of Lasers 2024

Specifications

形弯曲波导半径

{'zh': '20', 'en': ''} mm

Writing parameters

{'zh': '380', 'en': '380'} mW

心间距

{'zh': '0.3', 'en': ''} μm