A new approach is developed and used to minimize radiation loss in grating couplers. A comparison between different grating designs in a 2/spl times/2 backward coupler demonstrates that two parallel gratings can significantly reduce radiation loss.
The design of grating couplers with ultra-low radiation loss
The 15th Annual Meeting of the IEEE Lasers and Electro-Optics Society ; 2 ; 817-818 vol.2
2002-01-01
95729 byte
Conference paper
Electronic Resource
English
ThU4 The Design of Grating Couplers with Ultra-Low Radiation Loss
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