| 摘要 |
The invention comprises processes and heterostructure products defining silicon on insulator waveguides (80, 88, 90, 106, 112, 120, 122) that are suitable for use with light in the 1.3, 1.6 mu m or greater wavelengths. Silicon is deposited on an insulator layer 12 on a crystalline substrate 10 and grown or regrown in crystalline form. The silicon is then etched or formed into a waveguide structures.
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