Design and characterization of compact single-section passive polarization rotator

被引：56
作者：
Rahman, BMA [1 ]
Obayya, SSA
Somasiri, N
Rajarajan, M
Grattan, KTV
El-Mikathi, HA
机构：
[1] City Univ London, Dept Elect Elect & Informat Engn, London EC1V 0HB, England
[2] Univ Mansoura, Fac Engn, Dept Elect & Commun, Mansoura, Egypt
来源：
JOURNAL OF LIGHTWAVE TECHNOLOGY | 2001年 / 19卷 / 04期
关键词：
finite-element method; polarization rotator; semiconductor optical waveguides; vector beam propagation method;
D O I：
10.1109/50.920849
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this paper, an improved design for a short and low-loss polarization rotator is proposed, consisting of a single-section asymmetrical waveguide butt-coupled between two standard rib waveguides. At a wavelength of 1.55 mum, nearly 100% polarization conversion ratio is obtained, with a relatively short (320 mum) device length and an extremely low 0.5 dB total insertion loss, The simulation results are obtained using the full vectorial finite-element-based beam propagation, the junction analysis, and the modal solution approaches.
引用
收藏
页码：512 / 519
页数：8
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