Nonlinear optical phenomena

Enrollment into the program.
Positive result from written exercises (or written exam) is necessary to enter the oral exam.

Nonlinear interaction between material and light. Symmetry properties of the material, nonlinear susceptibility and the nonlinear polarization which gives rise to the amplified or transformed optical beams. Catalog of nonlinear optical interactions of the second and of third order. Phase matching conditions for various processes and for different geometries of materials and beams. Quasi phase matching in periodic structures. Detailed analysis of second harmonic generation, two wave mixing and optical parametric oscillator. Stimulated Brillouin and Raman scattering. Electro optic effect, photorefraction and real-time holography. Nonlinear optical effects in optical waveguides and integrated optics, where these effects may lead to new applications in optical telecommunications.

1. D. L. Mills, Nonlinear Optics, Springer, Berlin, 2nd. Ed. 1998,
2. Amnon Yariv, Pochi Yeh,Optical Waves in Crystals: Propagation and Control of Laser Radiation, Wiley-Interscience, 2002.
3. Y. R. Shen, Principles of Nonlinear Optics, John Wiley & Sons, 2002.

Objectives:

The students learn how the modern nonlinear optics is used in laser physics, optical telecommunications, optical data processing and storage.

Competences:

Knowledge and understanding of principles of nonlinear optics and how they are applied in photonics.

Knowledge and understanding:
Practical knowledge in laser light – matter interactions in various regimes like wave mixing, modulation and signal processing. Specific knowledge on resonance and nonresonance phenomena.

Application:
Solutions of problems in modern photonics can be envisaged both in research and in applications.

Reflection:
Nonlinear optics as a reach field on nonlinear physics with a welth of new phenomena.

Transferable skills:

Solving of systems of coupled equations. Understanding of nonlinear systems.

Lectures, exercises, consultations

2 midterm exams instead or final written exam
Oral exam
grading: 5 (fail), 6-10 (pass) (according to the Statute of UL)

Marko Zgonik, redni profesor za področje fizike, izvoljen 2001, full professor of physics, elected 2001.

Nekaj zadnjih objav, a few publications:
1. A. Majkić, M. Zgonik, A. Petelin, M. Jazbinšek, B. Ruiz, C. Medrano, P.Gunter, Terahertz source at 9.4 THz based on a dual-wavelength infrared laser and quasi-phase matching in organic crystal OH1, Appl. Phys. Lett. 2014, vol. 105, str. 141115-1—141115-4.
2. RIGLER, Martin, ZGONIK, Marko, HOFFMANN, Marc P., KIRSTE, Ronny, BOBEA, Milena, COLLAZO, R., SITAR, Zlatko, MITA, Seiji, GERHOLD, Michael. Refractive index of III-metal-polar and N-polar AlGaN waveguides grown by metal organic chemical vapor deposition. Appl. phys. lett., 2013, vol. 102, iss. 22, str. 221106-1--221106-5.
3. ŽABKAR, Janez, MARINČEK, Marko, ZGONIK, Marko. Mode competition during the pulse formation in passively Q-switched Nd: YAG lasers. IEEE j. quantum electron., 2008, vol. 44, no. 4, str. 312-318.
4. ZGONIK, Marko, EWART, Michael, MEDRANO, Carolina, GÜNTER, Peter. Photorefractive effects in KNbO3. V: GÜNTER, Peter (ur.), HUIGNARD, Jean-Pierre (ur.). Photorefractive materials and their applications. 2, Materials, (Springer series in optical sciences, 114). New York: Springer, cop. 2007, str. 205-240.
5. DUELLI, M., MONTEMEZZANI, Germano, ZGONIK, Marko, GÜNTER, Peter. Photorefractive memories for optical processing. V: GÜNTER, Peter (ur.), HUIGNARD, Jean-Pierre (ur.). Photorefractive materials and their applications. 3, Applications, (Springer series in optical sciences, 115). New York: Springer, cop. 2007, str. 77-134.