We propose a novel configuration of ultra-compact 1310/1490/1550-nm WDM filter arrays compounded of a thin-film filter and two planar lightwave circuits. By using simple assembly techniques to optimize the arrangement, the insertion loss less than 0.7 dB is successfully achieved.
© 2006 Optical Society of America
(060.0060) Fiber optics and optical communications : Fiber optics and optical communications
(060.1810) Fiber optics and optical communications : Buffers, couplers, routers, switches, and multiplexers
(230.0230) Optical devices : Optical devices
(230.7370) Optical devices : Waveguides
M. Harumoto, O. Shimakawa, K. Takahashi, and M. Tamura, " Ultra-Compact 3-Port WDM Filter Arrays Based on Novel Planar Lightwave Circuit Assembly Technique," in Optical Fiber Communication Conference and Exposition and The National Fiber Optic Engineers Conference, Technical Digest (CD) (Optical Society of America, 2006), paper OWV4.