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Multi-dimensional interferometric amplification of ultrashort laser pulses

Project description

Enhancing ultrafast lasers for fundamental research

The research and implementation of ultrafast lasers have greatly benefited medical applications and industrial production technologies. However, their importance extends beyond these practical applications to the continuity of fundamental research. Unfortunately, these advancements are limited by the high-power requirements and the wide range of energy outputs, with extreme scenarios exhibiting differences ranging from petawatts to megawatts. The ERC-funded MIMAS project aims to develop and implement a solution that reduces the need for fibres and simplifies the scaling process. By achieving this, the project will enable novel ultrafast lasers to reach higher output energies with improved efficiency and accuracy. Such advancements would have the potential to propel fundamental science forward.

Objective

Ultrafast lasers, which allow the concentration of light in space and time, have been instrumental in revolutionizing industrial production technologies, medical applications and cutting-edge fundamental research. A common demand for many applications is the combination of maximum pulse peak powers with maximum average powers, in extreme cases involving petawatt (PW) peak powers and megawatt (MW) average powers. Additionally, these parameters must be achieved together with an optimum beam quality and high efficiency. The MIMAS project aims to address these demands and enable new realms of performance for ultrafast lasers.
The basic idea is spatially and temporally separated amplification of ultrashort laser pulses followed by coherent combination. This overcomes all the scaling limitations known in single-emitter systems. Moreover, the spatially separated amplification will be developed to an integrated and highly compact configuration: an ytterbium-doped multicore fiber. In addition, it is proposed that a sequence of pulses be amplified with an encoded phase pattern, causing a coherent pulse stacking at the system output.
The targeted laser pulse parameters are completely beyond the scope of current laser technology and therefore able to revolutionize many applications. The target is to generate a pulse energy of >1J at 10kHz repetition rate, i.e. an average power of >10 kW, with a wall-plug efficiency of >10%. Together with a pulse duration of <200fs, such performance results in a pulse peak power of >5 TW in a scalable architecture. This outstanding performance, which is three orders of magnitude above the capabilities of today’s laser systems, is emitted from only two fibers and features excellent beam quality.
I am deeply convinced that such an ultrafast laser source will be the key element in a number of experiments in modern sciences; not only in fundamental physics but also in biology and medicine, it will stimulate seminal discoveries and breakthroughs.

Host institution

FRIEDRICH-SCHILLER-UNIVERSITÄT JENA
Net EU contribution
€ 2 373 750,00
Address
FÜRSTENGRABEN 1
07743 JENA
Germany

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Region
Thüringen Thüringen Jena, Kreisfreie Stadt
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 2 373 750,00

Beneficiaries (1)