Variational Effective Index Analysis of Polymer Rib Optical Waveguide

Jinkun, 廖进昆 Liao; Xionggui, 唐雄贵 Tang; Rongguo, 陆荣国 Lu; Heping, 李和平 Li; Yongzhi, 刘永智 Liu

doi:10.3788/aos20082812.2267

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Design for Y-branch waveguides with wide angle and low loss

Tang

Liao

et al. 2009

Optoelectron. Lett.

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A novel method to design Y-branch waveguides is proposed by using total internal reflection, and the optical properties are analyzed. The simulated results show that the optical loss values of two Y-branch waveguides with the branching angles of 12 o and 30 o are only 0.310 dB and 0.645 dB, respectively. Compared with conventional Y-branch waveguides, the optical performance of the proposed ones is well improved, which has many advantages such as wide angle, low loss, simple structure and easy for fabrication.

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