Novel ultrasmall Si-nanowire-based arrayed-waveguide grating interleaver with spirals |
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| Authors: | Daoxin Dai Sailing He |
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| Institution: | Centre for Optical and Electromagnetic Research, State Key Laboratory for Modern Optical Instrumentation, Zhejiang University, Hangzhou, Zhejiang 310058, China |
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| Abstract: | A novel layout is presented to achieve an ultrasmall arrayed-waveguide grating (AWG) interleaver based on Si-nanowire waveguides. Spiral waveguides are inserted in the middle of arrayed-waveguide to obtain a large lightpath (required for the ultra-high diffraction order) in a small occupied area. A designed ultrasmall AWG interleaver with a free spectral range of 0.8 nm has a total size of only about 73 μm × 372 μm (0.027 mm2). |
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| Keywords: | 130 7408 230 3120 |
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