Ph.D in Electrical Engineering (2006), Polytechnic University of Valencia, Valencia, Spain
Master in Applied Physics and Electrical Engineering (2002), Technical University of Linköping, Linköping, Sweden
Extraordinary Thesis Award (2007) Polytechnic University of Valencia, Valencia, Spain
ICYS Research Fellowship (2006) International Center for Young Scientists, National Institute for Material Science, Japan
JSPS Research Fellowship (2005) Japanese Society for Promotion of Science, Japan
Best Graduate Student Presentation Award (2002) Award at the meeting of Acoustic Society of America, Mexico
Project Manager: DAS PHOTONICS, Valencia, Spain 2007-Present
Executing applied research activities in a small size spin-off company. Managing various national and European projects related to integrated photonics. Main focus has been on the ongoing development of an integrated silicon photonic DQPSK transmitter and receiver for multi-gigabit wireless communication. The prototype use monolithic integrated high-speed silicon carrier-depletion modulators with balanced Ge photo diodes, polarization diversity circuitry, micro-heaters, resonators and other passive components. The development is driven by the European project HELIOS, in close collaboration with CEA LETI, Univ. Surrey, Univ. Paris Sud and Photline. Tasks include:
- Integration – To act as an integration coordinator, to control the process flow and to assemble all the silicon photonics components monolithically on the chip in order to build packaged prototype components.
- Design – Experience in low level passive physical design (RSoft, Meep), layout design (IPKISS, MatLab), and photonic circuit design (ASPIC, S-Matrix simulations) as well as full system simulations (VPIphotonics).
- Characterization – Chip level testing including DC and high-speed probing. High speed receiver and transmitter measurements including eye-diagram and BER tester.
Research Fellow NATIONAL INSTITUTE FOR MATERIAL SCIENCE, Tsukuba, Japan 2006-2007
ICYS Research Fellow - Conducting independent research within a top rated international research center (ICYS), with a personal annual budget of 5 million Yen (32000€). Initiated international collaborations with various experimental and theoretical groups in Japan, Spain, United Kingdom and Italy, for fabrication of inverse designed and optimized photonic devices. Key Project and areas of emphasis included: Design, fabrication and characterization of photonic components: From Design to fabrication and characterization of photonic devices by using micromanipulation dielectric photonic plates. Gained practical clean-room experience for Focus Ion Beam etching and tungsten deposition on thin SiN membranes as well as SOI wafers. Utilized scanning electron microscope, atomic force microscope, Au plasma coater for sample preparation and quality characterization.
Research Fellow NATIONAL INSTITUTE FOR MATERIAL SCIENCE, Tsukuba, Japan 2006
JSPS Research Fellow (short term) - Acquired experience working within a Japanese research team. Development and design of an optimized light emitting cavity for full control of the scattering of light, including collimation and simultaneous suppression and enhancement of the spontaneous emission
PhD POLYTECHNIC UNIVERSITY OF VALENCIA, Valencia, Spain 2002-2006
PhD Student, Electrical Engineering - Gained theoretical experience across a broad range of photonic crystal engineering concepts, including, photonic crystal waveguides and cavities, photonic crystal band structure engineering and metamaterials. Key Projects and areas of emphasis included: Inverse design and optimization of photonic devices: Developed an inverse design software package in Fortran 90, based on Genetic Algorithm optimization, for photonic crystal like component design. Designed a full library of optimized photonic devices for different photonic crystal fabrication methods, including lenses, collimators, waveguide couplers, wavelength demultiplexers and optical cavities. Simulation and visualization of electromagnetic scattering problem: Implemented a semi analytical field solver for simulation and visualization of light propagation through dielectric structures.
J. Sánchez-dehesa, A. Håkansson and L. Sanchis., “Convertidor óptico” Spanish patent, Application No.:P200301614 (7), Filing Date: September 01, 2005
A. Håkansson, H. T. Miyazaki, and José Sánchez-Dehesa, “Full control of spontaneous emission using inverse designed light emitting scattering optical elements”, Phys. Rev. Lett. 96, 153902 (2006)
A. Håkansson and J. Sánchez-Dehesa, “Optimal design of microscaled optical elements”, Appl. Phys. Lett. 87, 193506 (2005)
A. Håkansson, J. Sánchez-Dehesa and L. Sanchis, “Inverse design of photonic crystal devices”, IEEE J. Sel. Area Comm 23 (7): 1365-1371 (2005).
A. Håkansson, F. Cervera and J. Sánchez-Dehesa,”Sound focusing by flat acoustic lenses without negative refraction”, Appl. Phys. Lett., 86, 054102 (2005)
Platforms: Windows 9x-XP, Linux
Software: Meep, RSoft, Photon Design, COMSOL, Ipkiss, ASPIC, VPIphotoncs, Fortran 90, C++, C# .NET, Origin, MatLab, Mathematica, Macromedia Flash, AutoCAD 2005, 3DsMAX, Adobe Illustrator, Adobe Photoshop, Adobe Premiere, LaTeX, Microsoft Office
Tools: Focus Ion Beam (sputtering and deposition), Scanning Electron Microscope, Atomic Force Microscope, Plasma Au coater, Micromanipulator