Dr. G. L. Bona

10. R. Germann, H. W. M. Salemink, R. Beyeler, G. L. Bona, F. Horst, I. Massarek, and B. J. Offrein, "Silicon Oxynitride Layers for Optical Waveguide Applications," J. Electrochem.
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11. K. Worhoff, B. J. Offrein, P. V. Lambeck, G. L. Bona, and A. Driessen, "Birefringence Compensation Applying Double-Core Waveguiding Structures," IEEE Photon.
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13. G.-L.Bona, "Integrated Optical Planar Waveguide Components," Microsystem Technologies: Micro- and Nanosystems-Information Storage and Processing Systems, Springer-Verlag, 2003, Vol.9, pp.323-328.

14. C. M. M. Denisse, K. Z. Troost, F. H. P. M. Habraken, W. F. van der Weg, and M. Hendriks, "Annealing of Plasma Silicon Oxynitride Films," J. Appl.Phys.60, No. 7, 2543-2547 (1986).

15. S. Herminghaus and P. Leiderer, "Improved Attenuated Total Reflectance Technique for the Investigation of Dielectric Surfaces," Appl.Phys.Lett.54, No. 2, 99-101 (1989).

16. F. Horst, H. W. M. Salemink, R. Germann, B. J. Offrein, and G. L. Bona, "High Quality Ring Resonators in High Refractive Index Contrast SiON Waveguides," Proceedings of the 1998 IEEE/LEOS Symposium, Benelux Chapter, P. Demeester, R. Baets, A. Ackaert, and V. Masquelin, Eds., IEEE, Piscataway, NJ, 1998, pp.
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17. M. M. Spuhler, B. J. Offrein, G. L. Bona, R. Germann, I. Massarek, and D. Erni, "A Very Short Planar Silica Spot-Size Converter Using a Nonperiodic Segmented Waveguide," IEEE J. Lightwave Technol.
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18. E. Fluck, F. Horst, B. J. Offrein, R. Germann, H. W. M. Salemink, and G. L. Bona, "Compact Versatile Thermo-Optical Space Switch Based on Beam Steering by a Waveguide Array," IEEE Photon.
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19. B. J. Offrein, G. L. Bona, F. Horst, H. W. M. Salemink, R. Beyeler, and R. Germann, "Wavelength Tunable Optical Add-After-Drop Filter with Flat Passband for WDM Networks," IEEE Photon.
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20. B. J. Offrein, R. Germann, F. Horst, H. W. M. Salemink, R. Beyeler, and G. L. Bona, "Resonant Coupler Based Add-After-Drop Filter in SiON Technology for WDM Networks," IEEE J. Sel.
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21. B. J. Offrein, F. Horst, G. L. Bona, R. Germann, H. W. M. Salemink, and R. Beyeler, "Adaptive Gain Equalizer in High-Index- Contrast SiON Technology," IEEE Photon.
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4. G. L. Bona, W. E. Denzel, B. J. Offrein, R. Germann, H. W. M. Salemink, and F. Horst, "Wavelength Division Multiplexed Add/Drop Ring Technology in Corporate Backbone Networks," Opt.
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25. F. Horst, C. Berendsen, R. Beyeler, G.-L.Bona, R. Germann, H. W. M. Salemink, and D. Wiesmann, "Tunable Ring Resonator Dispersion Compensators Realized in High-Refractive-Index Contrast SiON Technology," Proceedings of the 26th European Conference on Optical Communication (ECOC 2000), Munich, Germany; post-deadline papers, paper 2.2, vde-Verlag, Berlin, Offenbach, 2000.

Received May 1, 2002; accepted for publication September 5, 2002

Gian-Luca Bona IBM Research Division, Zurich Research Laboratory, CH-8803 Ruschlikon, Switzerland (glb@zurich.ibm.com).Dr. Bona studied physics at the Swiss Federal Institute of Technology (ETH), where he received a Ph.D. degree in 1987 for his work on short- pulsed laser excited photoemission.In 1988, after postdoctoral work at the IBM Zurich Research Laboratory in the area of picosecond optical sampling of ultrafast devices, he became a Research Staff Member, working on quantum-well semiconductor lasers, with emphasis on the design and characterization of high-power and short- wavelength GaAs-based lasers.Since 1994, he has worked on the development of SiON/SiO^sub 2^ waveguides and planar lightwave circuits.Dr. Bona currently manages the photonic networking effort at the IBM Zurich Research Laboratory, covering areas ranging from single-mode adaptive integrated optical filter functions to parallel optical backplane applications as well as exploratory high-density optical interconnections using novel photonic bandgap concepts.