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Evaluation of graded index glass waveguides for board-level WDM optical chip-to-chip communications

: Schrage, J.; Stuebbe, O.; Brusberg, L.; Soenmez, Y.; Schroeder, H.; Schuhmann, R.


Glebov, A.L. ; Society of Photo-Optical Instrumentation Engineers -SPIE-, Bellingham/Wash.:
Optoelectronic Interconnects and Component Integration XI : 24 - 26 January 2011, San Francisco, California, United States
Bellingham, WA: SPIE, 2011 (Proceedings of SPIE 7944)
ISBN: 978-0-8194-8481-9
Paper 794406
Optoelectronic Interconnects and Component Integration Conference <11, 2011, San Francisco/Calif.>
Fraunhofer IZM ()

A Proof-of-Concept for a multi-channel WDM board-level optical communications link is under development. This paper is focusing on theoretical and experimental evaluation of thin-glass based nearly single mode graded index optical waveguides with regard to low loss in the 1310nm regime. Results from waveguide characterization will be reported. Waveguide modes are determined theoretically from the measured refractive index profiles. Towards improvement of the robustness of the coupling efficiency against misalignments, investigations on the use of tapered waveguide structures will be presented too.