EEMCS EPrints Service

Education

Research

Prospective Students

Jobs

Publications

Intranet (internal)

Nederlands

Contact

Sitemap

Organisation

Research Project: Towards Active Integrated Optical Functions: From Dielectric Thin Films to Micro/Nanocavities to Ultrashort-pulse-Lasers

Home Policy Brochure Browse Search User Area Contact Help

2012

García Blanco, S.M. and Geskus, D. and van Dalfsen, K. and Aravazhi, S. and Pollnau, M. (2012) Rare-earth activated potassium double tungstate waveguide amplifiers and lasers. (Invited) In: Photonics West 2012, 21-27 January 2012, San Francisco, USA. SPIE. ISBN not assigned

Geskus, D. and Aravazhi, S. and Bernhardi, E.H. and Agazzi, L. and García Blanco, S.M. and Pollnau, M. (2012) Ultra-high, broadband gain in a lattice-engineered, Yb-doped double tungstate channel waveguide. In: 16th European Conference on Integrated Optics, ECIO 2012, 18-20 Apr 2012, Sitges/Barcelona, Spain. Paper 109. Insitut de Ciències Fotòniques. ISBN not assigned

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2012) Giant optical gain in a rare-earth-ion-doped microstructure. Advanced materials, 24 (10). OP19-OP22. ISSN 0935-9648 *** ISI Impact 10,857 ***

Pollnau, M. and Geskus, D. and Bernhardi, E.H. and van Dalfsen, K. and Wörhoff, K. and de Ridder, R.M. (2012) Highly efficient solid-state waveguide lasers. (Invited) In: Advanced Solid-State Photonics, ASSP 2012 - Semiconductor and Waveguide Lasers, 29 Jan - 03 Feb 2012, San Diego, California, USA. AM5A.1. Optical Society of America. ISBN 978-1-55752-933-6

2011

Aravazhi, S. and Geskus, D. and van Dalfsen, K. and Günther, D. and Pollnau, M. (2011) Growth and characterization of highly Yb³⁺-doped KY(WO₄)₂ thin layers In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany. Paper CE3.2. Optical Society of America. ISBN 978-1-4577-0532-8

Ay, F. and Gadgil, V.J. and Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2011) Application of focused ion beam technology for photonic nanostructures. In: Technical Proceedings of the 2011 NSTI Nanotechnology Conference & Expo - Nanotech 2011, 13-16 June 2011, Boston, Massachusetts. pp. 200-203. CRC Press. ISBN 978-1-4398-7139-3

Ay, F. and Geskus, D. and Iñurrategui, I. and Aravazhi, S. and Pollnau, M. (2011) Focused-ion-beam nanostructured photonic cavities for integrated lasers in crystalline double tungstate channel waveguides. In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany. Paper CK8.3. Optical Society of America. ISBN 978-1-4577-0532-8

Ay, F. and Iñurrategui, I. and Geskus, D. and Aravazhi, S. and Pollnau, M. (2011) Integrated lasers in crystalline double tungstates with focused-ion-beam nanostructured photonic cavities. Laser physics letters, 8 (6). pp. 423-430. ISSN 1612-2011 *** ISI Impact 6,010 ***

García Blanco, S.M. and Geskus, D. and van Dalfsen, K. and Aravazhi, S. and Pollnau, M. (2011) Rare-earth-ion-doped double tungstates: A promising gain material for integrated optics. (Invited) In: 8th International Symposium on Modern Optics and Its Applications, ISMOA 2011, 4-7 July 2011, Bandung, Indonesia. pp. 69-70. Indonesian Optical Society. ISBN not assigned

García Blanco, S.M. and Geskus, D. and van Dalfsen, K. and Ay, F. and Aravazhi, S. and Pollnau, M. (2011) Monoclinic double tungstate waveguide amplifiers and microlasers. (Invited) In: International Conference on Transparent Optical Networks (ICTON), 26-30 June 2011, Stockholm, Sweden. pp. 1-4. IEEE Photonics Society. ISBN 978-1-4577-0882-4

Geskus, D. (2011) Channel waveguide lasers and amplifiers in single-crystalline ytterbium-doped potassium double tungstates. PhD thesis, University of Twente. ISBN 978-90-365-3287-7

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) Giant optical gain in a rare-earth-ion-doped waveguide. In: Conference on Lasers and Electro-Optics, 1-6 May 2011, Baltimore, Maryland, USA. PDPA12. Optical Society of America. ISBN 978-1-55752-910-7

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) Giant gain in a rare-earth-ion-doped waveguide. In: Conference on Lasers and Electro-Optics, CLEO Europe, 22-26 May 2011, Munich, Germany. Paper CJ2.5. Online Conference Digest. Optical Society of America. ISBN 978-1-4577-0532-8

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) Giant optical gain in rare-earth-ion-doped thin films and waveguides. In: International Quantum Electronics Conference and Conference on Lasers and Electro-Optics Pacific Rim, 28 August - 1 September 2011, Sydney, Australia. Paper 4630. Conference Handbook. Australian Optical Society. ISBN 978-0-9775657-7-1

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) Giant optical gain in a rare-earth-ion-doped waveguide amplifier. (Invited) In: International Laser Physics Workshop, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina. Paper 4.2.4. L'Phys'11 Program. General Physics Institute, Moscow. ISBN not assigned

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) Ultra-high gain in an Yb³⁺-doped dielectric waveguide In: 16th International Conference on Luminescence & Optical Sperctroscopy of Condensed Matter, 26 Jun - 01 Jul 2011, Ann Arbor, MI. Paper ThDD6-p.60. Conference Program. University of Michigan. ISBN not assigned

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) 1000 dB/cm gain in Yb³⁺-doped double tungstates In: Proceedings of the 2011 Annual Symposium of the IEEE Photonics Benelux Chapter, 1-2 December 2011, Ghent, Belgium. pp. 29-32. Department of Information Technology, Ghent University. ISBN 978-90-76546-00-1

Geskus, D. and Aravazhi, S. and García Blanco, S.M. and Pollnau, M. (2011) Wavelength-dependent optical gain in a KGd_xLu_1-x(WO₄)₂:Yb³⁺ waveguide amplifier In: IEEE Photonics Conference, 9-13 Oct 2011, Arlington, United States. pp. 845-846. IEEE Photonics Society. ISBN 978-1-4244-8938-1

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2011) Broadly tunable and low-quantum-defect Yb³⁺-doped double tungstate channel waveguide lasers In: Conference on Lasers and Electro-Optics, CLEO/Europe, 22-26 May 2011, Munich, Germany. Paper CA7.4. Optical Society of America. ISBN 978-1-4577-0532-8

Geskus, D. and van Dalfsen, K. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2011) Yb³⁺ and Tm³⁺ doped KGd_xLu_yY_1-x-y(WO₄)₂ channel waveguide lasers In: Conference on Lasers and Electro-Optics, CLEO, 1-6 May 2011, Baltimore, Maryland, USA. CWP4. Optical Society of America. ISBN 978-1-55752-910-7

Pollnau, M. (2011) Integrated optics - guiding light into the future. (Invited) In: International Laser Physics Workshop, LPHYS 2011, 11-15 July 2011, Sarajevo, Bosnia and Herzegovina. Paper PS4. General Physics Institute, Moscow. ISBN not assigned

Pollnau, M. and Geskus, D. and van Dalfsen, K. and García Blanco, S.M. and Aravazhi, S. (2011) Highly efficient lasers and amplifiers in double tungstates. In: Joint Annual Meeting of the Swiss Physical Society and the Austrian Physical Society, 15-17 June 2011, Lausanne, Switzerland. Paper 627. Bulletin SPG / SSP 28. Swiss Physical Society. ISBN not assigned

Wörhoff, K. and de Ridder, R.M. and Hoekstra, H.J.W.M. and Pollnau, M. (2011) Integrated light sources and optical sensors. Fotonica Magazine, 36 (1). pp. 9-17. ISSN 0925-5338

2010

Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2010) Gd³⁺, Lu³⁺ co-doped KY(WO₄)₂:Yb³⁺ planar waveguide lasers at 1025 and 980 nm In: Symposium K: Rare earth doped materials for optical based technologies, 7-11 June 2010, Strasbourg. pp. 52-53. E-MRS 2010 Spring Meeting. European Materials Research Society (E-MRS). ISBN not assigned

Ay, F. and de Ridder, R.M. and Pollnau, M. (2010) Focused Ion Beam Nano-structuring for Applications in Photonics. (Invited) In: International Workshop in Cleanroom Training, UNAM, 21 June - 4 July 2010, Ankara, Turkey. 384. Bilkent University Press. ISBN not assigned

van Dalfsen, K. and Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2010) Lattice matching and microstructuring of Gd³⁺, Lu³⁺ co-doped KY(WO₄)₂:Tm³⁺ channel waveguide lasers (Invited) In: European Workshop on Double Tungstate Lasers, 3 September 2010, Hamburg, Germany. 9. Integrated Optical MicroSystems, Universiteit Twente. ISBN not assigned

Geskus, D. and Aravazhi, S. and Bernhardi, E.H. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Low-Threshold and Highly Efficient Gd³⁺, Lu³⁺Co-doped KY(WO₄)₂:Yb³⁺ Planar Waveguide Lasers In: Advanced solid state photonics (ASSP) Technical digest, 31 Jan - 3 Feb 2010, San Diego, California, USA. ATuB2. Optical Society of America. ISBN 978-1-55752-883-4

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Microstructured KY(WO₄)₂:Gd³⁺, Lu³⁺, Yb³⁺ channel waveguide laser Optics express, 18 (8). pp. 8853-8858. ISSN 1094-4087 *** ISI Impact 3,749 ***

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Highly efficient KY(WO₄)₂:Gd³⁺, Lu³⁺, Yb³⁺ channel waveguide laser In: Europhoton Conference, 30 Aug - 3 Sep 2010, Hamburg, Germany. paper WeP12. Europhysics Conference Abstract 34C. European Physical Society. ISBN 2-914771-64-9

Geskus, D. and Aravazhi, S. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2010) Microstructured channel waveguide lasers in KY(WO₄)₂:Gd³⁺,Lu³⁺,Yb³⁺ In: Frontiers in Optics, FIO 2010 - Novel Hybrid Integration II, 24-28 October 2010, Rochester, NY. Paper FWD3. OSA Technical Digest. Optical Society of America. ISBN 978-1-55752-921-3

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) High-gain KY(WO₄)₂:Yb³⁺ planar waveguide laser at the zero-phonon line In: Conference on Lasers and Electro-Optics, 16-21 May 2010, San Jose, CA. CTuU3. Optical Society of America. ISBN 978-1-55752-889-6

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) High-power KY(WO₄)₂:Yb³⁺ channel waveguide lasers (Invited) In: European Workshop on Double Tungstate Lasers, 3 September 2010, Hamburg, Germany. Page 10. Integrated Optical MicroSystems, Universiteit Twente. ISBN not assigned

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2010) High-power, broadly tunable, and low-quantum-defect KGd_1-xLu_x(WO₄)₂:Yb³⁺ channel waveguide lasers Optics express, 18 (25). pp. 26107-26112. ISSN 1094-4087 *** ISI Impact 3,749 ***

Iñurrategui, I. and Ay, F. and Geskus, D. and Aravazhi, S. and Gadgil, V.J. and Wörhoff, K. and Pollnau, M. (2010) Bragg Gratings in Crystalline Waveguides Fabricated by Focused Ion Beam Milling. In: Proceedings of the 2nd International Workshop on FIB for Photonics, 6-7 Apr 2010, Cambridge, UK. pp. 8-9. Bristol University. ISBN not assigned

2009

Aravazhi, S. and Geskus, D. and Günther, D. and Wörhoff, K. and Pollnau, M. (2009) Growth, characterization, and waveguide lasing of Yb³⁺, Lu³⁺, Gd³⁺ co-doped KY(WO₄)₂ thin layers In: International Commission for Optics (ICO) Topical Meeting on Emerging Trends and Novel Materials in Photonics, 7-9 Oct 2009, Delphi, Greece. 142. Conference Program and Book of Abstracts. International Commission for Optics (ICO). ISBN not assigned

Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2009) Improved-index-contrast KY(WO₄)₂:Gd, Lu, Yb epitaxial waveguides suitable for highly efficient waveguide lasing In: Proceedings of the 2009 Annual Symposium of the IEEE Photonics Benelux Chapter, 05-06 Nov 2009, Brussels, Belgium. pp. 133-136. VUBPress Brussels University Press. ISBN 978-90-5487-650-2

Geskus, D. and Aravazhi, S. and Bernhardi, E.H. and Grivas, C. and Harkema, S. and Hametner, K. and Günther, D. and Wörhoff, K. and Pollnau, M. (2009) Low-threshold, highly efficient Gd³⁺, Lu³⁺ co-doped KY(WO₄)₂:Yb³⁺ planar waveguide lasers Laser Physics Letters, 6 (11). pp. 800-805. ISSN 1612-2011 *** ISI Impact 6,010 ***

Geskus, D. and Aravazhi, S. and Bernhardi, E.H. and Grivas, C. and Wörhoff, K. and Pollnau, M. (2009) Highly efficient Gd, Lu co-doped KY(WO₄)₂:Yb³⁺ planar waveguide laser In: Proceedings of the European Optical Society, 1st EOS Topical Meeting on Lasers 2009, 27-30 Sep 2009, Capri, Italy. EOS. ISBN 978-3-00-024191-8

Geskus, D. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2009) Low-threshold laser in a high-index-contrast double tungstate waveguide. In: Lasers and Electro-Optics 2009 and the European Quantum Electronics Conference. CLEO Europe - EQEC 2009. European Conference on, 14-19 June 2009, Munich, Germany. CE4.1 TUE. IEEE Computer Society. ISBN 978-1-4244-4079-5

2008

Aravazhi, S. and Geskus, D. and Wörhoff, K. and Pollnau, M. (2008) Growth of Yb³⁺, Lu³⁺, Gd³⁺ co-doped KY(WO₄)₂ thin layers In: Proceedings of the 13th Annual Symposium of the IEEE LEOS Benelux Chapter, 27-28 November 2008, Enschede, The Netherlands. pp. 219-220. IEEE LEOS Benelux Chapter. ISBN 978-90-365-2768-2

García-Revilla, S. and Valiente, R. and Romanyuk, Y.E. and Pollnau, M. (2008) Temporal dynamics of upconversion luminescence in Er³⁺, Yb³⁺ co-doped crystalline KY(WO₄)₂ thin films Journal of Luminescence, 128 (5-6). pp. 934-936. ISSN 0022-2313 *** ISI Impact 1,795 ***

Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2008) Poor man's channel waveguide laser: KY(WO₄)₂:Yb In: Conference on Lasers and Electro-Optics (CLEO) 2008, OSA Technical Digest (CD), 4-9 May 2008, San Jose, California, U.S.A.. Paper CTuS4. Optical Society of America. ISBN 978-1-55752-859-9

Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2008) Fibre-top-loaded channel waveguide laser in KY(WO₄)₂:Yb³⁺ In: 2008 Annual Workshop of the IEEE LEOS Benelux Chapter "Materials, Devices and Systems in Optics and Photonics, 30-05-2008, Brussels, Belgium. pp. 13-14. IEEE LEOS Benelux Chapter. ISBN 978-90-9023255-3

Pollnau, M. and Jackson, S.D. (2008) Advances in mid-infrared fiber lasers. In: Mid-Infrared Coherent Sources and Applications. The NATO Science for Peace and Security Programme, Series B: Physics and Biophysics. Springer, Dordrecht, pp. 315-346. ISBN 978-1-4020-6439-5

2007

Borca, C.N. and Apostolopoulos, V. and Gardillou, F. and Limberger, H.G. and Pollnau, M. and Salathé, R.P. (2007) Buried channel waveguides in Yb-doped KY(WO₄)₂ crystals fabricated by femtosecond laser irradiation Applied surface science, 253 (19). pp. 8300-8303. ISSN 0169-4332 *** ISI Impact 1,793 ***

Gardillou, F. and Romanyuk, Y.E. and Borca, C.N. and Salathé, R.P. and Pollnau, M. (2007) Lu, Gd codoped KY(WO₄)₂:Yb epitaxial layers: Towards integrated optics based on KY(WO₄)₂ Optics letters, 32 (5). pp. 488-490. ISSN 0146-9592 *** ISI Impact 3,316 ***

Geskus, D. and Bradley, J.D.B. and Aravazhi, S. and Wörhoff, K. and Pollnau, M. (2007) Progress on micro-structured KY(WO₄)₂ waveguides for optically active devices In: 12th Annual Symposium IEEE/LEOS Benelux, 17-18 December 2007, Brussels, Belgium. pp. 103-106. IEEE LEOS Benelux Chapter. ISBN 978-2-9600753-0-4

Hopman, W.C.L. and Ay, F. and Hu, Wenbin and Gadgil, V.J. and Kuipers, L. and Pollnau, M. and de Ridder, R.M. (2007) Focused ion beam scan routine, dwell time and dose optimization for submicrometre period planar photonic crystal components and stamps in silicon. Nanotechnology, 18. 195305/1-195305/11. ISSN 0957-4484 *** ISI Impact 3,644 ***

Pollnau, M. (2007) Rare-earth-ion-doped double-tungstate waveguides. (Invited) In: Proceedings of the European Materials Research Society Meeting 2007, Symposium C: Rare Earth ion doping for photonics: materials, mechanisms and devices, 28 May - 1 June 2007, Strasbourg, France. C11 6. European Materials Research Society. ISBN not assigned

Pollnau, M. (2007) Dielectric waveguide lasers: optical gain in KY(WO₄)₂:Yb³⁺ and α-Al₂O₃:Ti³⁺ In: Frontier Developments in Optics and Spectroscopy. Bucher, Consulting, Logiciels, Progettare, Philadelphia, PA, USA, 20/1-20/10. ISBN 978-1-936036-00-4

Pollnau, M. (2007) Mid-Infrared lasers. In: Springer Handbook of Lasers and Optics. Springer Science and Business media LLC, New York, U.S.A., pp. 660-674. ISBN 978-0-387-95579-7

Pollnau, M. and Romanyuk, Y.E. and Gardillou, F. and Borca, C.N. and Griebner, U. and Rivier, S. and Petrov, V. (2007) Double tungstate lasers: From bulk toward on-chip integrated waveguide devices. IEEE journal of selected topics in quantum electronics, 13 (3). pp. 661-671. ISSN 1077-260X *** ISI Impact 3,458 ***

Rivier, S. and Mateos, X. and Petrov, V. and Griebner, U. and Romanyuk, Y.E. and Borca, C.N. and Gardillou, F. and Pollnau, M. (2007) Tm:KY(WO₄)₂ waveguide laser Optics express, 15 (9). pp. 5885-5892. ISSN 1094-4087 *** ISI Impact 3,749 ***

2005

Pollnau, M. (2005) Dynamics of solid state coherent light sources. In: Frontiers of Optical Spectroscopy. NATO Science Series, Series II: Mathematics, Physics and Chemistry 168. Kluwer Academic Publishers, Dordrecht, pp. 571-589. ISBN 978-1-4020-2750-5

2004

Ehrentraut, D. and Romanyuk, Y.E. and Pollnau, M. (2004) Flux growth and liquid-phase epitaxy of $Mn{6+}$ -doped barium sulfate. Journal of Ceramic Processing Research, 5 (3). pp. 256-260. ISSN 1229-9162 *** ISI Impact 0,481 ***

Romanyuk, Y.E. and Ehrentraut, D. and Pollnau, M. and García-Revilla, S. and Valiente, R. (2004) Low-temperature flux growth of sulfates, molybdates, and tungstates of Ca, Sr, and Ba and investigation of doping with Mn⁶⁺ Applied physics A (Materials science and processing), 79 (3). pp. 613-618. ISSN 0947-8396 *** ISI Impact 1,760 ***