Photonics 2

Modulation of optical signals: electro- and magneto-optic modulators, acousto-optic modulators, modulation with liquid crystals.
Non-linear optical phenomena: optical second harmonic generation, optical parametric generation, generation of terahertz waves. Nonlinear refractive index, optical solitons, optical phase conjugation. Nonlinear phenomena in optical waveguides. Stimulated Raman and Brillouin scattering.
Opto-optical manipulation: multi-wave mixing, static and dynamical holography, optical logic circuits.
Photonic integrated circuits: optical filters, optical switches and couplers, bistable optical elements, silicon photonics, optical signal processing.
Special optical systems and materials: optics of nano- and micro-structured materials, optical metamaterials, photonic crystals, optical microresonators, magneto optic traps, optical cooling of atoms, testing of quantum mechanics with photons.
Excursion to an optical research laboratory.

1. B. E. A. Saleh and M. C. Teich: Fundamentals of Photonics, John Wiley & Sons, 1991.
2. D. L. Mills, Nonlinear Optics, Springer, Berlin, 2nd. Ed. 1998.
3. Amnon Yariv, Pochi Yeh,Optical Waves in Crystals: Propagation and Control of Laser Radiation, Wiley-Interscience, 2002.
4. Y. R. Shen, Principles of Nonlinear Optics, John Wiley & Sons, 2002.
5. Alan Corney: Atomic and Laser Spectroscopy, Oxford University Press, 2006.
6. W. Demtröder, Atoms, Molecules and Photons, Springer, 2010.

Objectives:
Students learn modern principles of use of optical modulation, nonlinear optics and nano- and microstructured optical materials in laser physics, optical telecommunications, optical
data processing and optical manipulation of materials.

Competences:
Knowledge and understanding of operation principles of optical modulators, non-linear optical units and optical micro- and nanostructured materials. Knowledge on their use in photonics.

Knowledge and understanding:
Understanding interactions between laser beams and matter in different regimes, such as nonlinear wave mixing, modulation and signal processing. Distinguishing between resonant and non-resonant processes.

Application:
Knowledge of the principles of optical modulation and methods of nonlinear optics and understanding of processes leading to useful solutions in modern technology.
The ability to design measurements and search for technological solutions.

Reflection:
An insight into the principles of nonlinear physics that bring the wealth of new interesting and complex phenomena.

Transferable skills - not tied only one object:
Solving systems of coupled equations. Understanding non-linear systems.

Lectures, exercises, consultations, individual project work.

2 midterm exams or final written exam
individual project work od oral exam
grading: 5 (fail), 6-10 (pass) (according to the Statute of UL)

Irena Drevenšek Olenik:

1. PRIJATELJ, Matej, ELLABBAN, Mostafa A., FALLY, Martin, DOMENICI, Valentina, ČOPIČ, Martin, DREVENŠEK OLENIK, Irena. Peculiar behaviour of optical polarization gratings in light-sensitive liquid crystalline elastomers. Optical materials express, ISSN 2159-3930. [Online ed.], 2016, vol. 6, iss. 3, str. 961-970, ilustr., doi: 10.1364/OME.6.000961. [COBISS-SI-ID 2932324]

2. GENG, Yong, NOH, JungHyun, DREVENŠEK OLENIK, Irena, RUPP, Romano A., LENZINI, Gabriele, LAGERWALL, Jan P. F. High-fidelity spherical cholesteric liquid crystal Bragg reflectors generating unclonable patterns for secure authentication. Scientific reports, ISSN 2045-2322, 2016, vol. 6, art. no. 26840, 9 str., ilustr., doi: 10.1038/srep26840. [COBISS-SI-ID 2959460]

3. TAŠIČ, Blaž, LI, Wei, SÁNCHEZ-FERRER, Antoni, ČOPIČ, Martin, DREVENŠEK OLENIK, Irena. Light-induced refractive index modulation in photoactive liquid-crystalline elastomers. Macromolecular chemistry and physics, ISSN 1022-1352, 2013, vol. 214, iss. 23, str. 2744-2751, ilustr. http://onlinelibrary.wiley.com/doi/10.1002/macp.201300493/full, doi: 10.1002/macp.201300493. [COBISS-SI-ID 2603620].

4. GREGORC, Marko, LI, Hui, DOMENICI, Valentina, AMBROŽIČ, Gabriela, ČOPIČ, Martin, DREVENŠEK OLENIK, Irena. Optical properties of light-sensitive liquidcrystal elastomers in the vicinity of the nematic-paranematic phase transition. Physical review. E, Statistical, nonlinear, and soft matter physics, ISSN 1539-3755, 2013, vol. 87, iss. 2, str. 022507-1-022507-7. http://pre.aps.org/abstract/PRE/v87/i2/e022507. [COBISS-SI-ID 2533988].

5. DREVENŠEK OLENIK, Irena, SORIA, Silvia, ČOPIČ, Martin, MAROWSKY, Gerd, RASING, Theo. Solid-liquid crystal interfaces probed by optical sencond-harmonic generation. V: RASING, Theo (ur.), MUŠEVIČ, Igor (ur.). Surfaces and interfaces of liquid crystals. Berlin; Heidelberg: Springer, cop. 2010, str. 111-137, ilustr. [COBISS-SI-ID 255731200]