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Laser Direct Machining of Waveguides

Organization:Gestion Univalor, Limited Partnership, Quebec, CA
I.P. Brief:The technology is a simple and economical method of fabricating optical waveguides using ablation with lasers. The key advantages of the technology are: the fabrication of complex, directly written low loss waveguide devices within seconds in a variety of materials such as silica, crystalline materials, semiconductors or others using mass produced substrates.
Summary of I.P.:Optoelectronic waveguide devices have numerous applications from connecting homes to optic fiber networks in Telecommunication, demonstrate your new possibilities for a lab-on-a-chip expected to revolutionize Heath Care and Homeland Security, or to open the paths for incorporating light communication on electronic boards. Current manufacturing processes are very expensive (semiconductor types) and require high development and capital costs, applicable only in mass markets. Companies have to take high risks to develop their products, relying on significant market growth, and many ideas are rejected at the concept stage without further investigation. Industries have different issues to deal with:: - Telecommunication. the growth of fiber-to-the-home is limited by capital expenditure (cost of components addressed by the technology) and operation expenditure; - Electronic. Pursuing Moore’s law will implying incorporating optics into the board (currently limited to external communication); - Life Sciences. Integration of electronics into Life Sciences application has solved several problems and has led to the development of promising diagnostic procedures. Optoelectronics would help transform these ideas into products by reducing costs, and by improving the reliability and ease of use.
Patent:US Provisional Patent 60/682,396: Method for direct laser micromachining of waveguides.
Keywords:Waveguide, Optoelectronic, Telecommunication, Electronic, Life Science, Lab-on-a-chip, Light-on-board, passive and active components
Primary Industry:Telecommunications
Specific Market:Optoelectronic components in Telecommunication, Electronic and Life Sciences.
Market Size:The process addresses several limitations of these different markets: passive and active components in the Telecommunication industry, adding optics into the board in the Electronic industry and designing smart, cost-effective sensors in the Life Science
State of the Art:Current manufacturing processes of waveguides require high capital cost or are material-dependant(with UV and femtosecond lasers which largely limits their use).Over the years, minor improvements have been proposed and the aforementioned industries are still seeking processes that would increase their efficiency and contribute to their growth.
Competition:- Homeland Security - Health care related to pandemic diseases - Electronic evolution
Figures of Merit:The proposed technology offers a cost-effective process which enables – Massive instantaneous prototyping of prototyping implying waveguides; and – Faster and cheaper manufacturing of devices. In addition, the process is proven and requires low capital cost.
Tech.  Obstacles:- Being able to duplicate the process in order to produce several identical devices at the same time - Being able to manage the creation of waveguide on semiconductor components (already manufactured)
Market Obstacles:- The existing photolithographic process is the main barrier to entry in the Telecommunication industry. Provide samples, and reducing the cost of manufacturing will address this milestone; - In Electronic and Life Sciences, the main challenge is to connect with at the development stage in order to contribute to the development of these industries while being well positioned for manufacturing customized products, entry level products, and for small to medium size production. Offering customized prototyping of component shall address this issue.
Patent Landscape:3 patents + other to come: PCT/CA2004/001798: Process for fabricating optical waveguides. US Provision Patent 60/682,396: Method for direct laser micromachining of waveguides. US Provision Patent 60/681,491: Bio-sensor.
Publications:- A novel millimeter-wave-band radio-over-fiber system with dense wavelength-division multiplexing bus architecture Xiupu Zhang; Baozhu Liu; Jianping Yao; Ke Wu; Kashyap, R.; Microwave Theory and Techniques Feb. 2006 Page(s):929 - 937 - Autocorrelation Function of the Single PC Polarization-Mode Dispersion Emulator Lize, Y.K.; Palmer, L.; Aube, M.; Godbout, N.; Lacroix, S.; Kashyap, R.; Photonics Technology 2006 Page(s):217 - 219 - Scalable polarization-mode dispersion emulator with proper first- and second-order statistics Lize, Y.K.; Palmer, L.; Godbout, N.; Lacroix, S.; Kashyap, R.; Photonics Technology, Nov. 2005 Page(s):2451 - 2453 - F.C. Garcia, L. Vogelaar, and R. Kashyap, “Poling of a channel waveguide,” Opt. Express, vol. 11, no. 23, pp. 3041-3047, Nov. 2003.
Research Team:The team has over 30 years experience in photonics, optical fibers and waveguides. Dr Raman Kashyap has published over 230 papers and has filed an extensive number of patents (>30). Prior to joining EPM, he occupied several responsibilities in research, product development, management at British Telecom, Corning and Corvis.


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