Nenad Kralj

   Nenad Kralj, PhD
   Assistant Professor

   Curriculum vitae (.pdf)

   Office: O-012
   Phone: +385 51 584 617



    Faculty of Physics
    - Laboratory project

    Faculty of Engineering
    - Physics II




All information regarding education, research and teaching can also be found at the UNIRI portfolio.


- quantum optomechanics
- quantum and nonlinear optics
- particle astrophysics


The complete list of publications in peer-reviewed journals, as well as conference proceedings, can be found on Google Scholar.

[1] M. Bjerregaard Kristensen, N. Kralj, E. Langman and A. Schliesser. "A long-lived and Efficient Optomechanical Memory for LIght". 2023. Accepted for publication in Phys. Rev. Lett.

[2]  S. A. Saarinen, N. Kralj, E. C. Langman, Y. Tsaturyan and A. Schliesser. “Laser cooling a membrane-in-the-middle system close to the quantum ground state from room temperature”. Optica 10.3 (Mar 2023), pp. 364–372. DOI: 10.1364/OPTICA.468590. URL: optica/abstract.cfm?URI=optica-10-3-364.

[3]  Y. S. S. Patil, J. Höller, P. A. Henry, C. Guria, Y. Zhang, L. Jiang, N. Kralj, N. Read and J. G. E. Harris. “Measuring the knot of non-Hermitian degeneracies and non-commuting braids”. Nature 607.7918 (Jul 2022), pp. 271–275. ISSN: 1476-4687. DOI: 10.1038/s41586-022-04796-w. URL:

[4]  CAST collaboration. “Improved search for solar chameleons with a GridPix detector at CAST”. Journal of Cosmology and Astroparticle Physics 2019.01 (Jan 2019), pp. 032–032. DOI: 10. 1088/1475-7516/2019/01/032. URL: 2F032.

[5]  M. Rossi, N. Kralj, S. Zippilli, R. Natali, A. Borrielli, G. Pandraud, E. Serra, G. Di Giuseppe and D. Vitali. “Normal-Mode Splitting in a Weakly Coupled Optomechanical System”. Phys. Rev. Lett. 120 (7 Feb 2018), p. 073601. DOI: 10.1103/PhysRevLett.120.073601. URL: https://link.aps. org/doi/10.1103/PhysRevLett.120.073601.

[6]  S. Zippilli, N. Kralj, M. Rossi, G. Di Giuseppe and D. Vitali. “Cavity optomechanics with feedback-controlled in-loop light”. Phys. Rev. A 98 (2 Aug 2018), str. 023828. DOI: 10.1103/PhysRevA. 98.023828. URL:

[7]  CAST collaboration. “New CAST limit on the axion–photon interaction”. Nature Physics 13.6 (Jun 2017), pp. 584–590. ISSN: 1745-2481. DOI: 10.1038/nphys4109. URL: 1038/nphys4109.

[8]  N. Kralj, M. Rossi, S. Zippilli, R. Natali, A. Borrielli, G. Pandraud, E. Serra, G. Di Giuseppe and D. Vitali. “Enhancement of three-mode optomechanical interaction by feedback-controlled light”. Quantum Science and Technology 2.3 (Aug 2017), p. 034014. DOI: 10.1088/2058-9565/ aa7d7e. URL:

[9]  M. Rossi, N. Kralj, S. Zippilli, R. Natali, A. Borrielli, G. Pandraud, E. Serra, G. Di Giuseppe and D. Vitali. “Enhancing Sideband Cooling by Feedback-Controlled Light”. Phys. Rev. Lett. 119 (12 Sep 2017), p. 123603. DOI: 10.1103/PhysRevLett.119.123603. URL: 10.1103/PhysRevLett.119.123603.

[10]  E. Serra, M. Bawaj, A. Borrielli, G. Di Giuseppe, S. Forte, N. Kralj, N. Malossi, L. Marconi, F. Marin, F. Marino, B. Morana, R. Natali, G. Pandraud, A. Pontin, G. A. Prodi, M. Rossi, P. M. Sarro, D. Vitali and M. Bonaldi. “Microfabrication of large-area circular high-stress silicon nitride membranes for optomechanical applications”. AIP Advances 6.6 (2016), p. 065004. DOI: 10.1063/1.4953805. eprint: URL:

[11]  T. Nikšić, N. Kralj, T. Tutiš, D. Vretenar and P. Ring. “Implementation of the finite amplitude method for the relativistic quasiparticle random-phase approximation”. Phys. Rev. C 88 (4 Oct 2013), p. 044327. DOI: 10.1103/PhysRevC.88.044327. URL: PhysRevC.88.044327.