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64 × 64-channel uniform-loss and cyclic-frequency arrayed-waveguide grating router module

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6 Author(s)
Kamei, S. ; NTT Photonics Labs., NTT Corp., Kanagawa, Japan ; Ishii, M. ; Itoh, M. ; Shibata, T.
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A compact arrayed-waveguide grating based 64 × 64 router module with uniform loss and cyclic-frequency performance has been developed using a silica-based planar lightwave circuit. The circuit was miniaturised sufficiently for integration on a 4-inch substrate using high-contrast 1.5%-Δ waveguides. A low module insertion loss of 5.4 to 6.8 dB was achieved as a result of reducing the loss at intersecting waveguides by employing a horizontally enlarged core.

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Electronics Letters  (Volume:39 ,  Issue: 1 )