Bert Jan Offrein  Bert Jan Offrein photo       

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Manager Photonics
Zurich Research Laboratory, Zurich, Switzerland
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More information:  Photonics & optoelectronics


2012

A low-power high-speed InP microdisk modulator heterogeneously integrated on a SOI waveguide
J Hofrichter, O Raz, A La Porta, T Morf, P Mechet, G Morthier, T De Vries, H J S Dorren, B J Offrein
Optics Express 20(9), 9363--9370, Optical Society of America, 2012


2011

Dual wavelength conversion using electrically pumped microdisc lasers
J Hofrichter, O Raz, L Liu, G Morthier, F Horst, P Regreny, T De Vries, H J S Dorren, B J Offrein
Group IV Photonics (GFP), 2011 8th IEEE International Conference on, pp. 175--177

Optical integration
B Offrein, M Ziari
Optical Communication (ECOC), 2011 37th European Conference and Exhibition on, pp. 1--1

Grating couplers as optical probe pads in a standard CMOS process
J. Hofrichter, WMJ Green, F. Horst, S. Assefa, M. Yang, B. Offrein, Y. Vlasov
Group IV Photonics (GFP), 2011 8th IEEE International Conference on, pp. 127--129

Microdisc lasers coupled to silicon waveguides as versatile on-chip optical components for light generation, conversion and detection
J Hofrichter, F Horst, B J Offrein, O Raz, T Vries de, H J S Dorren
Semiconductor Conference Dresden (SCD), 2011, pp. 1--4

Integrated optical backplane amplifier
J Yang, T Lamprecht, K Worhoff, A Driessen, F Horst, B J Offrein, F Ay, F Pollnau
Conference on Lasers and Electro-Optics/Pacific Rim, pp. 1--8, IEEE, 2011

WDM Filters For Silicon Photonics Transceivers
F. Horst, W.M.J. Green, S. Assefa, S.M. Shank, B.J. Offrein, Y.A. Vlasov
OptoeElectronics and Communications Conference (OECC), 2011 16th, pp. 842--844

All-optical wavelength conversion using mode switching in InP microdisc laser
J Hofrichter, O Raz, L Liu, G Morthier, F Horst, P Regreny, T De Vries, H J S Dorren, B J Offrein
Electronics letters 47(16), 927--929, IET, 2011


2010

Towards low-cost high-performance all-optical interconnection networks
N Chrysos, C Minkenberg, J Hofrichter, F Horst, B J Offrein
High Performance Switching and Routing (HPSR), 2010 International Conference on, pp. 139--146

A fast and comprehensive microdisc laser model applied to all-optical wavelength conversion
J Hofrichter, O Raz, F Horst, N Chrysos, C Minkenberg, T De Vries, H J S Dorren, R Kumar, L Liu, B J Offrein
Photonics in Switching, 2010

Optical waveguide amplifiers for heterogeneous integration in optical backplanes
F Ay, J Yang, T Lamprecht, K Wörhoff, B J Offrein, M Pollnau
IEEE Photonics Society, 2010 23rd Annual Meeting of the, pp. 110--111

Overview of the EU FP7-project HISTORIC
G Morthier, R Kumar, F Raineri, R Raj, J Hofrichter, N Chrysos, BJ Offrein, R Zhang, J Tol van der, O Raz, others
Proceedings of SPIE, the International Society for Optical Engineering, 2010

Ultrafast all-optical modulator with femtojoule absorbed switching energy in silicon-on-insulator
S Schönenberger, T Stöferle, N Moll, R F Mahrt, M S Dahlem, T Wahlbrink, J Bolten, T Mollenhauer, H Kurz, B J Offrein
Optics express 18(21), 22485-22496, 2010

Digital all-optical signal processing using microdisc lasers
J Hofrichter, F Horst, N Chrysos, C Minkenberg, R Kumar, L Liu, G Morthier, T Vries de, B J Offrein
Photonics in Switching, 2010

Towards Exaflop Servers and Supercomputers: The Roadmap for Lower Power and Higher Density Optical Interconnects
P. Pepeljugoski, J. Kash, F. Doany, D. Kuchta, L. Schares, C. Schow, M. Taubenblatt, B. Offrein, A. Benner
(invited) Proc. of 36th European Conference on Optical Communications, pp. 1--14, 2010

Design and implementation of an electro-optical backplane with pluggable in-plane connectors
R C A Pitwon, K Hopkins, K Wang, D R Selviah, H Baghsiahi, B J Offrein, R Dangel, F Horst, M Halter, M Gmuer
SPIE Photonics West: Optoelectronic Interconnects and Component Integration IX, 23 - 28 January 2010, San Francisco, California, US

Low Power and High Density Optical Interconnects for Future Supercomputers
P. Pepeljugoski, J. Kash, F. Doany, D. Kuchta, L. Schares, C. Schow, M. Taubenblatt, B. Offrein, A. Benner
Optical Fiber Communications Conference (OFC), paper OThX2, San Diego, CA, March 21-25, pp. 1--3, 2010


2009

Optoelectronics & Communications Circular grating resonator-based microcavities make fast switches
S Schoenenberger, N Moll, T Stoeferle, B Offrein, R Mahrt, T Wahlbrink, J Bolten, T Ploetzing, M Waldow, M Foerst, others
Optoelectronics & Communications, 2009

Silicon photonic microcavities for optical switching
S Schönenberger, M S Dahlem, T Stöferle, N Moll, R F Mahrt, B J Offrein, E P Ippen, T Wahlbrink, J Bolten, T Plotzing, others
Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference, pp. 1--1

Flexible optical interconnects based on silicon-containing polymers
E. Anzures, R. Dangel, R. Beyeler, A. Cannon, F. Horst, C. Kiarie, P. Knudsen, N. Meier, M. Moynihan, B.J. Offrein
SPIE OPTO: Integrated Optoelectronic Devices, pp. 72210I--72210I, 2009

Communication technologies for exascale systems
JA Kash, P. Pepeljugoski, FE Doany, CL Schow, DM Kuchta, L. Schares, R. Budd, F. Libsch, R. Dangel, F. Horst, others
SPIE OPTO: Integrated Optoelectronic Devices, pp. 72210F--72210F, 2009

Circular grating resonators as small mode-volume microcavities for switching
S Schönenberger, N Moll, T Stöferle, R F Mahrt, B J Offrein, S Götzinger, V Sandoghdar, J Bolten, T Wahlbrink, T Plötzing
Optics Express 17(8), 5953-5964, 2009

Integrated micro-mirrors for compact routing of optical polymer waveguides
T. Lamprecht, R. Beyeler, R. Dangel, F. Horst, D. Jubin, N. Meier, J. Weiss, B.J. Offrein
LEOS Annual Meeting Conference Proceedings, 2009. LEOS'09. IEEE, pp. 20--21

160-Gb/s Bidirectional Polymer-Waveguide Board-Level Optical Interconnects Using CMOS-Based Transceivers
F E Doany, C L Schow, C W Baks, D M Kuchta, P Pepeljugoski, L Schares, R Budd, F Libsch, R Dangel, F Horst, B. J. Offrein, and J. A. Kash
IEEE TRANSACTIONS ON ADVANCED PACKAGING 32(2), 345-359, IEEE, 2009

Silicon-on-insulator Echelle grating WDM demultiplexers with two stigmatic points
F. Horst, W.M.J. Green, B.J. Offrein, Y.A. Vlasov
Photonics Technology Letters, IEEE 21(23), 1743--1745, IEEE, 2009

CMOS compatible cost-efficient fabrication of SOI grating couplers
J Bolten, J Hofrichter, N Moll, S Schönenberger, F Horst, B J Offrein, T Wahlbrink, T Mollenhauer, H Kurz
Microelectronic Engineering 86(4-6), 1114--1116, 2009

Optics in supercomputers
B J Offrein, P Pepeljugoski
Optical Communication, 2009, pp. 1--2

Optical interconnects for board level applications
R. Dangel, R. Beyeler, N. Meier, T. Lamprecht, F. Horst, D. Jubin, J. Weiss, BJ Offrein
Proc. SPIE, pp. 721904--1, 2009


2008

Integration of optical I/O with organic chip packages
B J Offrein, C Berger, L Dellmann, P Dill, F Horst, M Schmatz, S Oggioni, M Spreafico, G Macario
Proceedings of SPIE, the International Society for Optical Engineering, pp. 69920U--1, 2008

Circular grating resonators as candidates for ultra-small photonic devices
S Schönenberger, N Moll, T Stöferle, T Wahlbrink, J Bolten, S Götzinger, T Mollenhauer, C Moormann, R F Mahrt, B J Offrein
Proc, pp. 69960A--1, 2008

Circular grating resonators as nano-photonic modulators
N Moll, S Schönenberger, T Stöferle, T Wahlbrink, J Bolten, T Mollenhauer, C Moormann, R F Mahrt, B J Offrein
Proceedings of SPIE, pp. 68980B, 2008

Terabus: Chip-to-chip board-level optical data buses
J. A. Kash, F. E. Doany, C. L. Schow, R. Budd, C. Baks, D. M. Kuchta, P. Pepeljugoski, L. Schares, R. Dangel, F. Horst, B. J. Offrein, C. Tsang, N. Ruiz, C. Patel, R. Horton, F. Libsch, J. U. Knickerbocker
LEOS 2008 - 21st Annual Meeting of the IEEE Lasers and Electro-Optics Society, pp. 515-516



Optical interconnects \& nanophotonics
BJ Offrein
Optical MEMs and Nanophotonics, 2008 IEEE/LEOS Internationall Conference on, pp. 21--22

Waveguide-coupled parallel optical transceiver technology for Tb/s-class chip-to-chip data transmission
F.E. Doany, C.L. Schow, J.A. Kash, C. Baks, R. Budd, D.M. Kuchta, P. Pepeljugoski, F. Libsch, R. Dangel, F. Horst, others
Proceedings of the SPIE, pp. 68990V--68990V, 2008

Polymer-waveguide-based board-level optical interconnect technology for datacom applications
R. Dangel, C. Berger, R. Beyeler, L. Dellmann, M. Gmur, R. Hamelin, F. Horst, T. Lamprecht, T. Morf, S. Oggioni, others
Advanced Packaging, IEEE Transactions on 31(4), 759-767, IEEE, 2008

Chip-to-chip board-level optical data buses
F.E. Doany, C.L. Schow, R. Budd, C. Baks, D.M. Kuchta, P. Pepeljugoski, J.A. Kash, F. Libsch, R. Dangel, F. Horst, others
Optical Fiber Communication Conference, 2008


2007


Wavelength Selective Switches Based on Grating Assisted Mode Coupling
M Xu, P Ling, W Lui, G L Bona, R Beyeler, F Horst, B Offrein
Optical Fiber Communication Conference, 2007

Upgrading multimode channels for multi-Tb/s/inch bandwidth densities in board-level optical interconnects
D Erni, D Lenz, J M Lehky, B J Offrein, T Lamprecht
Proceedings of the European Microwave Association Vol222, 228, 2007

Circular Grating Resonators as Micro-Cavities for Optical Modulators
N Moll, S Schönenberger, T Stöferle, T Wahlbrink, J Bolten, T Mollenhauer, C Moormann, R F Mahrt, B J Offrein
Group IV Photonics, 2007 4th IEEE International Conference on, pp. 1--3

107-Gb/s full-ETDM transmission over field installed fiber using vestigial sideband modulation
S L Jansen, R H Derksen, C Schubert, X Zhou, M Birk, C J Weiske, M Bohn, D Borne van den, P M Krummrich, M M{"o}ller, others
Optical Fiber Communication Conference, 2007

Prospects of a polymer-waveguide-based board-level optical interconnect technology
R. Dangel, C. Berger, R. Beyeler, L. Dellmann, F. Horst, T. Lamprecht, N. Meier, BJ Offrein
Signal Propagation on Interconnects, 2007. SPI 2007. IEEE Workshop on, pp. 131--134

Terabus: A 160-Gb/s bidirectional board-level optical data bus
FE Doany, CL Schow, JA Kash, C. Baks, R. Budd, P. Pepeljugoski, D. Kuchta, R. Dangel, F. Horst, B. Offrein
Lasers and Electro-Optics Society, 2007. LEOS 2007. The 20th Annual Meeting of the IEEE, pp. 545--546

Waveguide technology development based on temperature-and humidity-resistant low-loss silsesquioxane polymer for optical interconnects
R. Dangel, R. Beyeler, F. Horst, N. Meier, B.J. Offrein, B. Sicard, M. Moynihan, P. Knudsen, E. Anzures
Optical Fiber Communication Conference, 2007

120 Gb/s optical card-to-card interconnect link demonstrator with embedded waveguides
L Dellmann, C Berger, R Beyeler, R Dangel, M Gmur, R Hamelin, F Horst, T Lamprecht, N Meier, T Morf, others
Electronic Components and Technology Conference, 2007, pp. 1288--1293

160-Gb/s bidirectional parallel optical transceiver module for board-level interconnects using a single-chip CMOS IC
FE Doany, CL Schow, C Baks, R Budd, Y J Chang, P Pepeljugoski, L Schares, D Kuchta, R John, JA Kash, F Libsch, R Dangel, F Horst, BJ Offrein
57th Electronic Technology and Components Conference, Reno, NV, USA, pp. 1256-1261, May 29 - June 1, pp. 1256--1261, 2007


2006

Terabus: Terabit/second-class card-level optical interconnect technologies
L Schares, JA Kash, FE Doany, CL Schow, C Schuster, DM Kuchta, PK Pepeljugoski, JM Trewhella, CW Baks, RA John, L Shan, YH Kwark, RA Budd, P Chiniwalla, FR Libsch, J Rosner, CK Tsang, CS Patel, JD Schaub, R Dangel, F Horst, BJ Offrein, D Kucharski, et al.
IEEE Journal of Selected Topics in Quantum Electronics, special issue on Optoelectronic Packaging, Vol. 12, No. 5, pp. 1032-1045, Sept/Oct. 12(5), 1032-1044, IEEE, 2006

Enhanced feedback and experimental band mapping of organic photonic-crystal lasers
R Harbers, P Strasser, D Caimi, R F Mahrt, N Moll, D Erni, W Bächtold, B J Offrein, U Scherf
Journal of Optics A: Pure and Applied Optics8, S273, 2006


Passive alignment of optical elements in a printed circuit board
T. Lamprecht, F. Horst, R. Dangel, R. Beyeler, N. Meier, L. Dellmann, M. Gmur, C. Berger, BJ Offrein
Electronic Components and Technology Conference, 2006. Proceedings. 56th, pp. 7--pp

High bandwidth board-level parallel optical interconnects for server applications
BJ Offrein, C. Berger, R. Beyeler, R. Dangel, L. Dellmann, F. Horst, T. Lamprecht, N. Meier, J. Kash
Optical Communications, 2006. ECOC 2006. European Conference on, pp. 1--3


2005

Enhanced feedback in organic photonic-crystal lasers
R Harbers, P Strasser, D Caimi, R F Mahrt, N Moll, B J Offrein, D Erni, W Bächtold, U Scherf
Applied Physics Letters87, 151121, 2005

Integrated optical FIR-filters for adaptive equalization of fiber channel impairments at 40 GBit/s
M Bohn, W Rosenkranz, F Horst, B Offrein, G L Bona, P Krummrich
Optical communication theory and techniques, 181--188, Springer, 2005

Low-loss copper film ion-exchanged optical waveguides with step-like index profiles in glass
J.M. Lehky, D. Erni, F. Robin, L. Dellmann, R. Dangel, BJ Offrein, W. Bachtold
Lasers and Electro-Optics Society, 2005. LEOS 2005. The 18th Annual Meeting of the IEEE, pp. 800--801

Butt-coupled optoelectronic modules for high-speed optical interconnects
L. Dellmann, T. Lamprecht, S. Oggioni, M. Witzig, R. Dangel, R. Beyeler, C. Berger, F. Horst, BJ Offrein
Lasers and Electro-Optics Europe, 2005. CLEO/Europe. 2005 Conference on, pp. 476

Automatic control of optical equalizers
M Bohn, P M Krummrich, W Rosenkranz, F Horst, B J Offrein, G L Bona
Optical Fiber Communication Conference, 2005

Parallel optical interconnects in printed circuit boards
B.J. Offrein, C. Berger, R. Beyeler, R. Dangel, L. Dellmann, F. Horst, T. Lamprecht, N. Meier, R. Budd, F. Libsch, others
European Symposium on Optics and Photonics for Defence and Security, pp. 59900E--59900E, SPIE-International Society for Optical Engineering, 2005

Terabus: a chip-to-chip parallel optical interconnect
JA Kash, F Doany, D Kuchta, P Pepeljugoski, L Schares, J Schaub, C Schow, J Trewhella, C Baks, Y Kwark, others
Proc. of "18th IEEE-LEOS Annual Meeting", pp. 263-364, Sydney, Australia, 23-27 Oct., pp. 363--364, 2005

Optical interconnect demonstrator with embedded waveguides and butt-coupled optoelectronic modules
C. Berger, R. Beyeler, R. Dangel, L. Dellmann, F. Horst, T. Lamprecht, T. Morf, B.J. Offrein, F. Yamada, M. Hasegawa, others
Information Photonics, 2005


2004

Polymer waveguides for highspeed optical interconnects
L. Dellmann, R. Dangel, R. Beyeler, C. Berger, F. Horst, BJ Offrein, GL Bona
EOS Topical Meeting Optics in Computing (European Optical Society, 2004), pp. 131--132

Polarization-independent thermooptic phase shifters in silicon-oxynitride waveguides
B.J. Offrein, D. Jubin, T. Koster, T. Brunschwiler, F. Horst, D. Wiesmann, G. I. Meijer, M. Sousa Petit, D. Webb, R. Germann
Photonics Technology Letters 16, 1483, 2004


Design and implementation of an optical interconnect demonstrator with board-integrated waveguides and microlens coupling
C. Berger, U. Bapst, G.L. Bona, R. Dangel, L. Dellmann, P. Dill, MA Kossel, T. Morf, B. Offrein, ML Schmatz
Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings, pp. 19--20

Characterization of parallel optical-interconnect waveguides integrated on a printed circuit board
G.L. Bona, B.J. Offrein, U. Bapst, C. Berger, R. Beyeler, R. Budd, R. Dangel, L. Dellmann, F. Horst
Photonics Europe, pp. 134--141, 2004

Development of a low-cost low-loss polymer waveguide technology for parallel optical interconnect applications
R. Dangel, U. Bapst, C. Berger, R. Beyeler, L. Dellmann, F. Horst, B. Offrein, G.L. Bona
Biophotonics/Optical Interconnects and VLSI Photonics/WBM Microcavities, 2004 Digest of the LEOS Summer Topical Meetings, pp. 2--pp


2003

Compact tunable FIR dispersion compensator in SiON technology
F. Horst, R. Germann, U. Bapst, D. Wiesmann, BJ Offrein, GL Bona
Photonics Technology Letters, IEEE 15(11), 1570--1572, IEEE, 2003


Optical links for printed circuit boards
C. Berger, R. Beyeler, G.L. Bona, R. Dangel, L. Dellmann, P. Dill, F. Horst, M.A. Kossel, C. Menolfi, T. Morf, others
16th IEEE Lasers and Electro-Optics Society LEOS, pp. 61-62, 2003

SiON high-refractive-index waveguide and planar lightwave circuits
G L Bona, R Germann, B J Offrein
IBM Journal of Research and Development 47(2.3), 239--249, IBM, 2003


2002

Novel 40GHz pulse source with< 350 femtosecond timing jitter
KJ Weingarten, GJ Spuhler, M. Dymott, I. Klimov, G. Luntz, L. Baraldi, I. Kilburn, P. Crosby, S. Thomas, O. Zehnder, others
Optical Communication, 2002. ECOC 2002. 28th European Conference on, pp. 1--2

40 GHz pulse generating source with less than 350 fs timing jitter
GJ Spuhler, M. Dymott, I. Klimov, G. Luntz, L. Baraldi, I. Kilburn, P. Crosby, S. Thomas, O. Zehnder, CY Teisset, others
Electronics Letters 38(18), 1031--1033, IET, 2002

Tunable Dispersion Compensators realized in high-refractive-index-contrast SiOn technology
GL Bona, F. Horst, R. Germann, BJ Offrein, D. Wiesmann
Optical Communication, 2002. ECOC 2002. 28th European Conference on, pp. 1--2

"Millipede": A MEMS-based scanning-probe data-storage system
E. Eleftheriou, T. Antonakopoulos, GK Binnig, G. Cherubini, M. Despont, A. Dholakia, U. Durig, MA Lantz, H. Pozidis, H. Rothuizen, others
Magnetic Recording Conference, 2002. Digest of the Asia-Pacific

Tunable dispersion compensation in a 40 Gb/s system using a compact FIR lattice filter in SiON technology
M Bohn, F Horst, B J Offrein, G L Bona, E Meissner, W Rosenkranz
Optical Communication, 2002, pp. 1--2


2001

Apodised Bragg gratings in planar waveguides for add-drop filters
C. David, D. Wiesmann, R. Germann, F. Horst, BJ Offrein, R. Beyeler, HWM Salemink, GL Bona
Microelectronic engineering57, 713-719, Elsevier, 2001


2000

Integrated optic tunable add-drop filters for WDM ring networks
S Rotolo, A Tanzi, S Brunazzi, D DiMola, L Cibinetto, M Lenzi, G L Bona, B J Offrein, F Horst, R Germann, others
Journal of lightwave technology 18(4), 569, IEEE, 2000

Tunable passband flattened 1-from-16 binary-tree structured add-after-drop multiplexer using SiON waveguide technology
CGH Roeloffzen, F Horst, BJ Offrein, R Germann, GL Bona, HWM Salemink, RM De Ridder
Photonics Technology Letters, IEEE 12(9), 1201--1203, IEEE, 2000

Adaptive gain equalizer in high-index-contrast SiON technology
BJ Offrein, F Horst, GL Bona, R Germann, HWM Salemink, R Beyeler
Photonics Technology Letters, IEEE 12(5), 504--506, IEEE, 2000

Corrections to a resonant coupler-based tunable add-after-drop filter in silicon-oxynitride technology for WDM networks
BJ Offrein, R Germann, F Horst, HWM Salemink, R Beyeler, GL Bona
Selected Topics in Quantum Electronics, IEEE Journal of 6(1), 207--207, IEEE, 2000

SiON-based integrated optics devices for WDM networks
F. Horst, R. Beyeler, GL Bona, R. Germann, BJ Offrein, CGH Roeloffzen, HWM Salemink, D. Wiesmann
Proc. 13th Annu. Meeting IEEE Laser Electro-Optics Soc, pp. 13--16, 2000

Compact, tunable optical devices in silicon-oxynitride waveguide technology
F Horst, R Beyeler, G L Bona, E Flueck, R Germann, B Offrein, H Salemink, D Wiesmann
Integrated Photonics Research, Citeseer, 2000


1999

Birefringence compensation applying double-core waveguiding structures
K Worhoff, BJ Offrein, PV Lambeck, GL Bona, A Driessen
Photonics Technology Letters, IEEE 11(2), 206--208, IEEE, 1999

Resonant coupler-based tunable add after-drop filter in silicon-oxynitride technology for WDM networks
BJ Offrein, R Germann, F Horst, HWM Salemink, R Beyeler, GL Bona
Selected Topics in Quantum Electronics, IEEE Journal of 5(5), 1400--1406, IEEE, 1999

APODISED BRAGG GRATINGS IN SiON PLANAR WAVEGUIDES
D Wiesmann, D Erni, BJ Offrein, F Horst, R Germann, GL Bona
Laboratory for Micro- and Nanotechnology, Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland PSI annual report, 1999

Negative index growth in germanium-free nitrogen-doped planar SiO2 waveguides
D Wiesmann, J Huebner, R Germann, BJ Offrein, G L Bona, M Kristensen, H Jaeckel
Bragg Gratings, Photosensitivity, and Poling in Glass Waveguides, 1999

Adaptive gain and channel equalization filters for applications in optical networks
BJ Offrein, GL Bona, R Germann, F Horst, HWM Salemink
Lasers and Electro-Optics Society 1999 12th Annual Meeting, pp. 547--548

Tunable WDM add/drop components in silicon-oxynitride waveguide technology
BJ Offrein, F Horst, G L Bona, R Germann, HWM Salemink
Electronic Components and Technology Conference, 1999, pp. 19--25

Compact 1-to-8, double 1-to-4 or fourfold 1-to-2 space switch based on beam steering by a waveguide array
F Horst, E Fluck, BJ Offrein, R Germann, HWM Salemink, G L Bona
Electronic Components and Technology Conference, 1999, pp. 922--926

Silicon-oxynitride (SiON) for photonic integrated circuits
HWM Salemink, F Horst, R Germann, BJ Offrein, GL Bona
MRS Proceedings, 1999

Wavelength-tunable add/drop filter for optical networks
R Germann, R Beyeler, GL Bona, F Horst, BJ Offrein, HWM Salemink
Optical Fiber Communication Conference, 1999, and the International Conference on Integrated Optics and Optical Fiber Communication, pp. 268--270

Compact versatile thermooptical space switch based on beam steering by a waveguide array
E Fluck, F Horst, BJ Offrein, R Germann, WM Salemink, G L Bona
Photonics Technology Letters, IEEE 11(11), 1399--1401, IEEE, 1999

Versatile silicon-oxynitride planar lightwave circuits for interconnect applications
GL Bona, R Germann, F Horst, BJ Offrein, HWM Salemink
Parallel Interconnects, 1999, pp. 145--148

Wavelength tunable 1-from-16 and flat passband 1-from-8 add-drop filters
BJ Offrein, F Horst, GL Bona, HWM Salemink, R Germann, R Beyeler
Photonics Technology Letters, IEEE 11(11), 1440--1442, IEEE, 1999


1998

A very short planar silica spot-size converter using a nonperiodic segmented waveguide
B J Offrein, G L Bona, R Germann, I Massarek, D Erni, others
Journal of lightwave technology 16(9), 1680, IEEE, 1998

Compact spot-size converter using nonperiodic segments for high refractive index contrast planar waveguides
M M Spuehler, B J Offrein, G L Bona, R Germann, D Erni
European Conference on Lasers and Electro-Optics CLEO 98, pp. 234, 1998

Birefringence compensation in double-core optical waveguides
K Worhoff, BJ Offrein, A Driessen, PV Lambeck, GL Bona, T J A Popma
Optical Communication, 1998, pp. 605--606

Tunable optical add/drop components in silicon-oxynitride waveguide structures
BJ Offrein, R Germann, GL Bona, F Morst, HWM Salemink
Optical Communication, 1998, pp. 325--326