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Country of origin: Hungary

Summary

A Hungarian spin-off company developed a technology to measure and stabilise the carrier-envelope phase drift (or frequency comb) of laser pulses. The method is independent from both the wavelength and the bandwidth. This makes the presented technology unique and perfect for research and development in attosecond science at unique wavelength, in frequency metrology as well as for telecommunication companies. Partners are sought for further development, licence or commercial agreement.

Full description

This technology has been developed by the spin-off company of a Hungarian University, established in 2007. The Hungarian company's products are related to ultrafast laser technology, high field polariSation optics as well as measurement and control of material dispersion and angular dispersion.

The company developed a technology to measure and stabilise the carrier-envelope phase drift (or frequency comb) of laser pulses.

The carrier envelope phase shift, or with other terminology, the offset frequency of the frequency comb of short laser pulses is measured by an interferometric device based on linear optical components only. The stabilising feedback loop of the frequency comb (or carrier envelope phase shift) is controlled by the said measuring system. The stabilization of the frequency comb is important for applications where the comb frequencies of a laser pulse must be kept at well defined values (optical telecommunication and frequency metrology), while the maintenance of the carrier envelope phase shift is crucial for attosecond physics.

Many applications have long required laser pulses with stabilised carrier-envelope phase (or frequency comb). The requirements of the existing methods for measurement and stabilisation of the CEP (or frequency comb), however, restrict their application to laser pulses lying in the visible and near infrared range. The most severe ones are the octave spannning bandwidth and sufficient energy to drive the nonlinear optical processes in the measuring devices.

The technology developed by the Hungarian company eliminates these drawbacks and can be used in a wide range of applications. In particular, for high repetition rate lasers, wich generate sub-picosecond laser pulses with low pulse energy, typical in telecommunication, as well as laser pulses at wavelengths not accessible before.

The Hungarian company seeks partners for joint further development of the technology. The company is also interested in licence agreement.

Innovative Aspects

Technology to measure and stabilise the carrier-envelope phase drift (or frequency comb) of laser pulses:

" Applicable at any wavelength (from XUV to IR).
" Applicable at any bandwidth.
" Applicable at any intensity.
" The carrier-envelope phase can be set at any value.

Partner expertise sought:

- Type of partner sought:
Industrial partners, research institutes.

- Specific area of activity of the partner:
Optical telecommunication, optical metrology, ultrafast laser and ultrafast spectroscopy, femtochemistry, attophysics.


- Task to be performed by the partner sought:
The main aim of further development is:

- to adapt the technology to the needs of telecommunication companies, more specifically to develop a carrier-envelope phase-stabilised laser that can be used for ultra dense wavelength division multiplexing;

- to adapt the technology to carrier envelope phase drift measurement and stabilisation at non-standard wavelengths from (X)UV to IR, which can be used in femtochemistry, ultrafast spectroscopy and attophysics.

Listed under: Electronics \ Telecommunications \ Physical and Exact Sciences \ TechMesh

 

Key dates Profile created on: 01 February 2010 Date last updated: 16 March 2010 Closing date: 26 January 2011

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