Compact and low-loss integrated box-like passband multiplexer

  title={Compact and low-loss integrated box-like passband multiplexer},
  author={C. R. Doerr and L. W. Stulz and R. M. Pafchek},
  journal={IEEE Photonics Technology Letters},
A fully packaged 40-channel 100-GHz-spacing full-coupler-type synchronized-gratings multiplexer with a 1-dB bandwidth >57 GHz, total adjacent crosstalk /spl plusmn/35 GHz around the ITU grid <-18 dB, and loss <3.5 dB for all channels is presented. 
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