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Photoluminescence is light emission from any form of matter after the absorption of photons. It is one of many forms of luminescence and is initiated by photoexcitation, hence the prefix photo-. Following excitation, various relaxation processes typically occur in which other photons are re-radiated. Time periods between absorption and emission may vary: ranging from short femtosecond-regime for emission involving free-carrier plasma in inorganic semiconductors up to milliseconds for phosphoresence processes in molecular systems; and under special circumstances delay of emission may even span to minutes or hours.
In physics, polaritons are quasiparticles resulting from strong coupling of electromagnetic waves with an electric or magnetic dipole-carrying excitation. They are an expression of the common quantum phenomenon known as level repulsion, also known as the avoided crossing principle. Polaritons describe the crossing of the dispersion of light with any interacting resonance. To this extent polaritons can also be thought of as the new normal modes of a given material or structure arising from the strong coupling of the bare modes, which are the photon and the dipolar oscillation. The polariton is a bosonic quasiparticle, and should not be confused with the polaron, which is an electron plus an attached phonon cloud.
Ilya Mikhailovich Frank was a Soviet physicist who received the 1958 Nobel Prize for Physics, jointly with Pavel Alekseyevich Cherenkov and Igor Y. Tamm, also of the Soviet Union. He received the award for his work in explaining the phenomenon of Cherenkov radiation. He received the Stalin prize in 1946 and 1953 and the USSR state prize in 1971.
Jaak Aaviksoo is an Estonian politician and physicist, a former rector of the University of Tartu and Tallinn University of Technology (TalTech).
The Max-Planck-Institute of Quantum Optics is a part of the Max Planck Society which operates 87 research facilities in Germany.
The International Conference on Physics of Light–Matter Coupling in Nanostructures (PLMCN) is a yearly academic conference on various topics of semiconductor science and nanophotonics.
Alexey V. Kavokin is a Russian and French theoretical physicist and writer.
Robert Alfano is an Italian-American experimental physicist. He is a Distinguished Professor of Science and Engineering at the City College and Graduate School of New York of the City University of New York, where he is also the founding director of the Institute for Ultrafast Spectroscopy and Lasers (1982). He is a pioneer in the fields of Biomedical Imaging and Spectroscopy, Ultrafast lasers and optics, tunable lasers, semiconductor materials and devices, optical materials, biophysics, nonlinear optics and photonics; he has also worked extensively in nanotechnology and coherent backscattering. His discovery of the white-light supercontinuum laser is at the root of optical coherence tomography, which is breaking barriers in ophthalmology, cardiology, and oral cancer detection among other applications. He initiated the field known now as Optical Biopsy
The Institute of Spectroscopy Russian Academy of Sciences (ISAN) is a Russian research institution located in Troitsk, Moscow
Martin Aeschlimann is a Swiss physicist and professor in the physics department of the University of Kaiserslautern. Since 2008 he is the spokesman of the State Research Center for Optics and Material Sciences (OPTIMAS).
The Mediterranean Institute of Fundamental Physics, commonly known as MIFP, is a private independent non-governmental institution created in order to unite scientists in different countries around the world working in all fields of physics. MIFP is a non-profit organization whose main goal is to provide efficient and flexible management of international collaboration projects and teaching programmes, to ease and increase the communication between leading researchers in different areas of fundamental and applied physics, and to organize international scientific meetings, workshops, schools and conferences. It is located in Marino, Rome, Italy.
Solomon Isakovych Pekar was a Soviet theoretical physicist, born in Kyiv, Ukraine. He was a full Member of the Ukrainian Academy of Sciences and is known for his fundamental contributions to condensed matter physics, especially for introducing and advancing the concept of polaron as a charge carrier in solids.
Naomi Shauna Ginsberg is a Canadian electrical engineer, physicist, and scientist. She is currently an associate professor of chemistry at the University of California, Berkeley.
Photon etc. is a Canadian manufacturer of infrared cameras, widely tunable optical filters, hyperspectral imaging and spectroscopic scientific instruments for academic and industrial applications. Its main technology is based on volume Bragg gratings, which are used as filters either for swept lasers or for global imaging.
Vasily Astratov is a full professor of Physics and Optical Science at the University of North Carolina at Charlotte. He became known for launching synthetic opals as new self-assembled photonic crystals for visible light in 1995 in his former group at Ioffe Institute in Russia. This work has resulted in a quest for inverse opals with a complete three-dimensional photonic band gap
Yuri S. Kivshar, Australian Scientist of Ukrainian origin, distinguished professor, head of Nonlinear Physics Centre of The Australian National University (ANU) and research director of The International Research Centre for Nanophotonics and Metamaterials, Australian Federation Fellow.
Mark Leonidovich Veyngerov was a Soviet Physicist, USSR State Prize 1946 awardee for papers in the field of Optics.
ITMO University is a state-supported National Research University in Saint Petersburg, Russia. It consists of 4 schools, 17 faculties, and 7 research institutes. As of 2021, the total number of students is above 13,400, with over 2,900 being foreign nationals.
Elisabeth Giacobino is a French physicist specialized in laser physics, nonlinear optics, quantum optics and super-fluidity. She is one of the pioneers of quantum optics and quantum information. She graduated from Pierre and Marie Curie University and started working at the French National Centre for Scientific Research, where she has spent the majority of her professional career. She has been an invited professor at New York University and University of Auckland. She has over 230 publications and over 110 invited presentations in international conferences. She has been the coordinator of four European projects and is a member of Academia Leopoldina as well as a fellow member of the European Physical Society, the European Optical Society and the Optical Society of America.
Kirill Kavokin is a Russian physicist working on solid state physics, semiconductor optics and spin physics. He also works on animal vision and magnetoreception. He is currently leading scientist at the Spin Optics Laboratory (SOLAB) at Saint-Petersburg State University (SPbSU) and at the I. M. Sechenov Institute of Evolutionary Physiology and Biochemistry, in Saint Petersburg, Russia. He is the brother of Physicist Alexey Kavokin.