Photonics Archives - Department Of Physics University of Patras https://physics.upatras.gr/en/direction/photonics-en/ School of Natural Sciences Fri, 30 Jul 2021 09:46:53 +0000 en-US hourly 1 https://wordpress.org/?v=7.0.2 Fiber Optics and Communications https://physics.upatras.gr/en/courses/fiber-optics-and-communications/ Tue, 29 Jun 2021 13:22:51 +0000 https://physics.upatras.gr/courses/fiber-optics-and-communications/ The post Fiber Optics and Communications appeared first on Department Of Physics University of Patras.

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]]> Laser Applications (and Laboratory) https://physics.upatras.gr/en/courses/phe438/ Tue, 29 Jun 2021 13:21:08 +0000 https://physics.upatras.gr/courses/laser-applications-and-laboratory/ The laser as light source: properties of laser radiations, principles of laser operation. Laser sources for Spectroscopy. Scattering of light: Rayleigh, Mie, Raman, Brillouin. Instrumentation for Spectroscopy: diffraction and optical gratings, lenses, mirrors, filters, beam-splitters, polarizers, monochromators-spectrographs, Light Detectors (photomultipliers, photodiodes, diode arrays, CCD, ICCD, semiconductor based detectors for IR radiations, streak camera). Devices and [...]

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]]> The laser as light source: properties of laser radiations, principles of laser operation. Laser sources for Spectroscopy.
Scattering of light: Rayleigh, Mie, Raman, Brillouin.
Instrumentation for Spectroscopy: diffraction and optical gratings, lenses, mirrors, filters, beam-splitters, polarizers, monochromators-spectrographs, Light Detectors (photomultipliers, photodiodes, diode arrays, CCD, ICCD, semiconductor based detectors for IR radiations, streak camera).

Devices and Instrumentation for measuring low level electrical signals: Lock–in amplifiers, Boxcar integrators.
Laser Spectroscopy: Laser Induced Fluorescence (LIF), Multi-photon Ionization Spectroscopy (MPI), Raman Spectroscopy, Infrared Spectroscopy (IR).

Laser Induced Plasma Spectroscopy.
Laser cooling. Bose–Einstein condensation.
Introduction to Nonlinear Optics: the nonlinear optical susceptibility, wave equation description of nonlinear optical interactions, nonlinear absorption and refraction, second and third harmonic generation, nonlinear optical materials, the “all–optical” processes.
Optical Trapping and applications in Biology and Medicine.
Bio-photonics: basics of laser tissue interactions, Photodynamic Therapies. Bio- nano-photonics: applications of nanoparticles (quantum dots, metallic nanoparticles) in medical imaging and diagnostics.

Experiment 1: The He-Ne laser
Experiment 2: Coupling of a laser beam in an optical fibre.
Experiment 3: Fourier optics; spatial filters.
Experiment 4: The Nd:YAG laser.
Experiment 5: Second Harmonic Generation (SHG).

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]]> Introductory Quantum Optics https://physics.upatras.gr/en/courses/phe436/ Tue, 29 Jun 2021 11:27:43 +0000 https://physics.upatras.gr/courses/introductory-quantum-optics/ 1. Review of Quantum Mechanics Time dependent perturbation theory, two level atom - field interaction, harmonic oscillator, creation and destruction operators. 2. Density Matrix Operator Equation of motion, decay of atomic states, electronic polarization, two-photon interaction. 3. Quantization of Electromagnetic Fields Coherent states, autocorrelation functions, and coherence properties of EM fields. 4. Interaction of Atoms [...]

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]]> 1. Review of Quantum Mechanics

  • Time dependent perturbation theory, two level atom – field interaction, harmonic oscillator, creation and destruction operators.

2. Density Matrix Operator

  • Equation of motion, decay of atomic states, electronic polarization, two-photon interaction.

3. Quantization of Electromagnetic Fields

  • Coherent states, autocorrelation functions, and coherence properties of EM fields.

4. Interaction of Atoms with Quantized EM Fields

  • Second quantization, Wigner-Weisskopf theory of spontaneous emission, quantum beats in fluorescence.

5. Resonance Fluorescence

  • Coherent and incoherent scattering, the triplet spectrum under strong excitation, two-time intensity correlation, photon anti-bunching, squeezed states of the field.

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]]> Senior thesis https://physics.upatras.gr/en/courses/phe439-8/ Tue, 29 Jun 2021 11:21:36 +0000 https://physics.upatras.gr/courses/senior-thesis-6/ The post Senior thesis appeared first on Department Of Physics University of Patras.

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]]> Optoelectronics https://physics.upatras.gr/en/courses/optoelectronics/ Fri, 18 Jun 2021 16:49:25 +0000 https://physics.upatras.gr/courses/optoelectronics/ 1. Light Propagation in Optical Fibers Propagation modes, dispersion and optical pulse broadening, compensation for group velocity dispersion. 2. Propagation, Modulation and Laser Oscillation in Optical Waveguides Propagation modes, coupled mode theory, couplers, modulators, distributed feedback lasers, supermodes and laser arrays. 3. Theory of Amplification of Optical Radiation Density matrix operator, time-dependent perturbation theory, linear [...]

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]]> 1. Light Propagation in Optical Fibers
Propagation modes, dispersion and optical pulse broadening, compensation
for group velocity dispersion.

2. Propagation, Modulation and Laser Oscillation in Optical Waveguides
Propagation modes, coupled mode theory, couplers, modulators,
distributed feedback lasers, supermodes and laser arrays.

3. Theory of Amplification of Optical Radiation
Density matrix operator, time-dependent perturbation theory, linear
polarization, calculation of the gain coefficient for an atomic laser, Erbium
doped fiber laser amplifiers.

4. Semiconductor Lasers
Amplification in a semi conducting medium, double heterostructure lasers,
direct current modulation.

5. Quantum Well and Quantum Dot Lasers
Physics of quantum wells, two- and one-dimensional media,
vertical cavity surface emitting lasers, quantum dot lasers.

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]]> Applied Optics https://physics.upatras.gr/en/courses/phc433/ Fri, 18 Jun 2021 16:46:53 +0000 https://physics.upatras.gr/courses/applied-optics/ Examination of Electromagnetic theory. Light and photons. Interaction of Electromagnetic Radiation and Matter. Optical properties of metals and dielectric materials. Refraction. Scattering. Fresnel Equations. Atmospheric Optics. Refraction of Light in Spherical Surface. Transfer Matrices and Jones Matrices. Polarization, polarizers, dichroism, birefringence, optical activity. Faraday, Kerr and Pockels effects. Mathematical description of polarization. Interference of optical [...]

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]]> Examination of Electromagnetic theory. Light and photons. Interaction of Electromagnetic Radiation and Matter. Optical properties of metals and dielectric materials.

Refraction. Scattering. Fresnel Equations. Atmospheric Optics. Refraction of Light in Spherical Surface. Transfer Matrices and Jones Matrices.

Polarization, polarizers, dichroism, birefringence, optical activity. Faraday, Kerr and Pockels effects. Mathematical description of polarization.

Interference of optical waves. Interferometers: Mickelson, Mach ¬- Zehnder, Sagnac, Fabry-Perot, Twyman-Green. Applications.

Fresnel and Fraunhofer diffraction

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]]> Senior thesis https://physics.upatras.gr/en/courses/phe439-7/ Fri, 18 Jun 2021 16:44:59 +0000 https://physics.upatras.gr/courses/senior-thesis-3/ The post Senior thesis appeared first on Department Of Physics University of Patras.

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]]> Principles of Lasers https://physics.upatras.gr/en/courses/principles-of-lasers/ Fri, 18 Jun 2021 16:43:54 +0000 https://physics.upatras.gr/courses/principles-of-lasers/ The Lasers as light sources and their properties Light and matter: dispersion and absorption The optical cavity The basic light-matter interactions and the conditions for having lasing The operation of laser The Q-switching and the production of laser pulses Mode-locking The different types of lasers The semiconductor lasers An introduction to Non Linear Optics

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  • The Lasers as light sources and their properties
  • Light and matter: dispersion and absorption
  • The optical cavity
  • The basic light-matter interactions and the conditions for having lasing
  • The operation of laser
  • The Q-switching and the production of laser pulses
  • Mode-locking
  • The different types of lasers
  • The semiconductor lasers
  • An introduction to Non Linear Optics

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