Cornell professor wins NSF award for photonics research

May 2, 2005
May 2, 2005, Ithaca, NY--Michal Lipson, Cornell University assistant professor of electrical and computer engineering, is among this year's recipients of National Science Foundation (NSF) Career Awards. Lipson will receive a five-year grant of $450,000 to support her research in photonics. The result, she says, will be low-power, high-bandwidth, high-speed and ultra-small optoelectronic components.

May 2, 2005, Ithaca, NY--Michal Lipson, Cornell University assistant professor of electrical and computer engineering, is among this year's recipients of the National Science Foundation (NSF) Career Award. Lipson will receive a five-year grant of $450,000 to support her research in photonics. The result, she says, will be low-power, high-bandwidth, high-speed, and ultra-small optoelectronic components.

Lipson already has demonstrated methods to guide, filter, bend and split light on silicon chips at much smaller dimensions than attained by previous researchers, offering the promise of photonic circuits as small as current electronic chips. Confining light in very small spaces, where the dimensions of the waveguide are comparable to the wavelength of the light, has, in fact, been the secret for making some of these devices work, Lipson reports.

Research under the new grant will continue the development of all-optical and electro-optical circuits. Lipson plans to combine the various circuit components she has created into working systems and find out how to build the systems most efficiently. The goal will be to minimize the losses, size, and power of the system while maximizing the bandwidth.

She also will study ways to connect photonic circuits to the rest of the world. Two remaining bottlenecks are the interface between photonic chips and larger optical components, such as optical fibers, and using an electrical signal from conventional electronics to switch or modulate a beam of light in a photonic circuit. Lipson already has built devices that accomplish these goals but hopes to refine them and see how variations in the size and geometry affect performance.

Lipson also plans to refine the techniques used to manufacture photonic chips, which she says is "crucial to the real implementation of the concepts of this proposal."

The NSF Faculty Early Career Development Program offers NSF's most prestigious award for new faculty members, supporting the early career development activities of those teacher-scholars who are considered most likely to become the academic leaders of the 21st century.

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