Nonlinear Optical Processes in Structured Dielectrics
A special issue of Photonics (ISSN 2304-6732).
Deadline for manuscript submissions: closed (30 June 2022) | Viewed by 192
Special Issue Editor
Special Issue Information
Dear Colleagues,
Quasi-phase matching realized-in one dimensional periodically poled nonlinear optical crystals has greatly extended the practical application of nonlinear optical processes since it enhances the achievable nonlinear wavelength conversion efficiency. In the course of quasi phase matching, the reciprocal lattice vector of the periodic structure imprinted on the χ(2) susceptibility of the medium contributes to the momentum conservation of the participating electromagnetic fields. The introduction of two dimensional periodically poled structures—2D nonlinear photonic crystals—has greatly extended the possible combinations of the reciprocal lattice vectors in the momentum conservation equation of incoming and outgoing electromagnetic waves, hence leading to the invention of several new types of nonlinear optical processes, which were not conceivable in conventional nonlinear optics. Furthermore, both 1D and 2D nonlinear structures can be combined with other structures in the medium, such as with waveguides or with linear photonic crystals. These constructions have led to the discovery of new processes, e.g., ultrahigh efficiency wavelength conversion, multi-wavelength parametric generation, efficient creation of visible frequency combs from a NIR frequency comb via the mixture of frequency upconversion and sum frequency generation, highly efficient generation of entangled photons pairs, etc. In this Special Issue, we would like to collect papers in the above subjects.
Dr. Zsolt Kis
Guest Editor
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Keywords
- 1D periodically poled photonic structures
- 2D periodically poled photonic structures
- nonlinear frequency conversion
- frequency combs
- entangled photon pairs
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