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CWDM multi/demultiplexer consisting of stacked dielectric interference filters and off-axis diffractive lenses

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2 Author(s)
Sasaki, H. ; Assoc. of Super-Adv. Electron. Technol., Tokyo, Japan ; Okabe, Y.

A compact coarse wavelength-division multi/demultiplexer based on a stack of dielectric interference filters and an array of off-axis diffractive lenses is reported. The prototype optical system was packaged in the volume of 6.4 (width) /spl times/ 2.5 (height) /spl times/ 8.2 mm (depth). The optical system is interfaced via a multichannel connector with single-mode fiber ribbons. Optical insertion losses are better than 5 dB. The worst channel crosstalk was -19 dB.

Published in:

Photonics Technology Letters, IEEE  (Volume:15 ,  Issue: 4 )