Polarization Independent Semiconductor Arrayed Waveguide Gratings Using a Deep-Ridge Waveguide Structure(Special Issue on High-Capacity WDM/TDM Networks)

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This paper describes the design of polarization insensitive InP-based arrayed waveguide gratings(AWGs), and the characteristics of fabricated devices. The use of a deep-ridge waveguide structure made the fabrication of compact polarization-insensitive AWGs possible. As a result, a low crosstalk(-30 dB)8-channel AWG and a large-scale(64 channel)AWG with 50 GHz channel spacing could be fabricated. An integrated circuit containing an 8-channel AWG with photodetectors is also described.
社団法人電子情報通信学会の論文
1998-08-25