Liu, Fenghai2; Pedersen, Rune Johan Skullerud2; Jeppesen, Palle1
1 Department of Photonics Engineering, Technical University of Denmark2 Department of Electromagnetic Systems, Technical University of Denmark
A very low crosstalk N × N wavelength router construction using 1 × N arrayed-waveguide grating multi/demultiplexers is described. A crosstalk level of <-53 dB has been measured in such an 8 × 8 wavelength router. Even a 64 × 64 wavelength router can be built with a large crosstalk margin.
Electronics Letters, 1999, Vol 35, Issue 10, p. 839-840