Extremely low-loss 1.5%-/spl Delta/ 32-channel athermal arrayed-waveguide grating multi/demultiplexer |
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| Authors: | Kamei S Inoue Y Mizuno T Shibata T Kaneko A Takahashi H Iemura K |
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| Affiliation: | NTT Photonics Labs., NTT Corp., Atsugi, Japan; |
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| Abstract: | A silica-based 1.5%-/spl Delta/ 100 GHz-spacing 32-channel athermal arrayed-waveguide grating (AWG) with compact size and extremely low insertion loss is described. By reducing the fibre coupling loss and the excess loss in a silicone-filled groove, an insertion loss of 1.3 dB was achieved with this athermal AWG. |
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