Passive Aligned Hybrid Integrated WDM Transceiver Module Using Planar Lightwave Circuit Platform

Hiroaki OKANO  Hideo OTSUKI  Hisato UETSUKA  Tatsuo TERAOKA  Tsuneo SHIOTA  Satoshi AOKI  Shinji TSUJI  

IEICE TRANSACTIONS on Electronics   Vol.E80-C   No.1   pp.112-116
Publication Date: 1997/01/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Devices, Packaging Technology, and Subsystems for the Optical Access Network)
WDM transceiver module,  PLC-platform,  passive alignment,  index mark,  dielectric filter,  

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To realize a low-cost WDM transceiver module based on a PLC-platform, simple, assembly techniques have been successfully developed. The formation of index marks with an accuracy of below 0.1 µm has made it possible to mount Opto-electronic devices on the silicon terrace of the PLC-platform by a passive alignment. A newly developed trench formation technique for inserting a 1.3/1.5 µm WDM dielectric filter enabled us not only to ensure a stable WDM function but also to prevent excess loss associated with the dielectric filter scheme. It is found that these two technologies are practically useful to achieve high-performance WDM transceiver module.