Gwyer, D., Misselbrook, P., Philpott, D., Bailey, C. ORCID: https://orcid.org/0000-0002-9438-3879, Conway, P. and Williams, K. (2003) VCSEL to waveguide coupling for optical backplanes. In: Proceedings of 5th Conference Electronics Packaging Technology (EPTC 2003). Institute of Electrical and Electronics Engineers, Inc., Piscataway, NJ, USA, pp. 641-646. ISBN 0780382056 (doi:10.1109/EPTC.2003.1271597)

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Abstract

Hybrid OECB (Opto-Electrical Circuit Boards) are expected to make a significant impact in the telecomm switches arena within the next five years, creating optical backplanes with high speed point-to-point optical interconnects. The critical aspect in the manufacture of the optical backplane is the successful coupling between VCSEL (Vertical Cavity Surface Emitting Laser) device and embedded waveguide in the OECB. Optical performance will be affected by CTE mismatch in the material properties, and manufacturing tolerances. This paper will discuss results from a multidisciplinary research project involving both experimentation and modelling. Key process parameters are being investigated using Design of Experiments and Finite Element Modelling. Simulations have been undertaken that predict the temperature in the VCSEL during normal operation, and the subsequent misalignment that this imposes. The results from the thermomechanical analysis are being used with optimisation software and the experimental DOE (Design of Experiments) to identify packaging parameters that minimise misalignment. These results are also imported into an optical model which solves optical energy and attenuation from the VCSEL aperture into, and then through, the waveguide. Results from the thermomechanical and optical models will be discussed as will the experimental results from the DOE.

Item Type:	Conference Proceedings
Title of Proceedings:	Proceedings of 5th Conference Electronics Packaging Technology (EPTC 2003)
Additional Information:	[1] This paper was first presented at the 2003 5th Conference Electronics Packaging Technology (EPTC 2003) held from 10-12 December 2003 in Singapore. It was given within Session F2: Optoelectronics Design. [2] ISBN: 0780382056 (Bound); 0780382064 (CD-ROM).
Uncontrolled Keywords:	design of experiments, finite element analysis, integrated optoelectronics, optical backplanes, optical couplers, surface emitting lasers, thermal expansion, thermal management (packaging)
Subjects:	Q Science > QA Mathematics > QA75 Electronic computers. Computer science T Technology > T Technology (General)
Pre-2014 Departments:	School of Computing & Mathematical Sciences School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis School of Computing & Mathematical Sciences > Centre for Numerical Modelling & Process Analysis > Computational Mechanics & Reliability Group School of Computing & Mathematical Sciences > Department of Computer Systems Technology School of Computing & Mathematical Sciences > Department of Mathematical Sciences
Related URLs:	Publisher Publisher
Last Modified:	13 Mar 2019 11:31
URI:	http://gala.gre.ac.uk/id/eprint/780

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