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Light sources with a wide tuning range that deliver spectrally narrow, high-energy pulses are crucial for application in nonlinear multicolor imaging and spectroscopy. Traditionally, achieving these parameters required using free space optics and solid-state lasers, which are large, expensive, and sensitive to operating condition changes. Recent developments in fiber optic and lasers have resulted in more compact systems that do not require adjustment and that are resistant to environmental changes, making them ideal for use outside of laboratories.

This project aims to develop a multicolor light source that exploits a nonlinear self-phase modulation of chirp pulses to tune the spectral position of four-wave mixing sidebands. This innovative approach does not require a tunable pump to cover the entire range of parametric gain. It can thus be based on fiber oscillators with a fixed central wavelength. A fiber optical parametric oscillator system will be constructed to enhance frequency conversion efficiency and control the width of the newly generated spectral sidebands.

1. Participating in building a light source.
2. Building and performing ultrafast characterization of the temporally tunable pump.
3. Designing and constructing the set up combining optical fibers and free-space systems.

1. Work in the renown scientific institution in the dynamic research group of the Laser Center of IPC PAS
2. Full time employment with a monthly gross salary amount ~ 12500 PLN for 5 months financed from the project no. FENG.02.07-IP.05-0252/23. 100% of the work time of specialist will be devoted to the realization of the proposed project.
3. Scientific and organizational support.
4. Access to the modern research equipment.

The successful candidate will benefit in form of the knowledge and methods developed in the laboratory.
We plan to publish the results of the work in high impact factor journals.
The successful candidate will be eligible for all programs in the IPC PAS, including Young Scientists of IPC PAS competition and Mobility of Young Scientists of IPC PAS competition.
Institute provides an opportunity to participate in ERASMUS+ programme.

1. Ph.D. in Optics, Physics, or related discipline.
2. Fluency in English (preferably confirmed by the recognized certificate, a copy of the certificate can be sent with the application documents).
3. Practical experience in one or more of the following fields: fiber optics, nonlinear optics, laser, ultrafast optics.
4. Hands on experience in experimental optics.
5. Hands on experience in designing and building optical systems combining fiber optic configurations and free space optical systems.

The Recruitment Commission will take into account the following criteria:
a) competencies of candidates for specific tasks in a research project,
b) presented opinions via recommendation letter
c) level of English
d) previous scientific achievements of candidates