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Realization of an Ultracompact Low-Loss Photonic Crystal Corner Mirror

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4 Author(s)
Hejun Yu ; Chinese Acad. of Sci., Beijng ; Jinzhong Yu ; Zhongchao Fan ; Shaowu Chen

We report on the realization and characterization of an ultracompact, low-loss, and broadband corner mirror based on photonic crystals (PCs). By modifying the boundary layers of the PC region, extra losses of dB per corner mirror are achieved for transverse-electronic polarization for silicon-on-insulator ridge waveguides fabricated by electron beam lithography and inductively coupled plasma etching. Dimensions of the PC corner mirror are less than, which are only about one tenth of conventional waveguide corner mirrors.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 14 )