Journal•ISSN: 1053-3729
Nonlinear Optics
About: Nonlinear Optics is an academic journal. The journal publishes majorly in the area(s): Laser & Nonlinear optics. Over the lifetime, 951 publications have been published receiving 1468 citations.
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TL;DR: In this paper, it was shown that the nonlinear susceptibility tensor must possess full permutation symmetry for a lossless nonlinear medium, where the form of the electromagnetic field energy within such a medium can be deduced from a consideration of the polarization P (t) that is produced by some arbitrary applied field E(t).
Abstract: Publisher Summary
Nonlinear optics is the study of phenomena that occur as a consequence of the modification of the optical properties of a material system by the presence of light. Nonlinear optical phenomena are “nonlinear” in the sense that they occur when the response of a material system to an applied optical field depends in a nonlinear manner upon the strength of the optical field. Two additional symmetries of the nonlinear susceptibility tensor occur for the case of a lossless nonlinear medium. The condition that the nonlinear susceptibility must possess full permutation symmetry for a lossless medium can be deduced from a consideration of the form of the electromagnetic field energy within a nonlinear medium. It is also possible to describe optical nonlinearities directly in the time domain by considering the polarization P (t) that is produced by some arbitrary applied field E(t). These two methods of description are entirely equivalent; description in the time domain is more convenient for certain types of problems, such as those involving applied fields in the form of short pulses, whereas description in the frequency domain is more convenient when each input field is nearly monochromatic.
135 citations
Journal Article•
TL;DR: Poly(indenofluorene) shows a strong degenerate four-wave mixing (DFWM) response when it is excited with 100-fs pulses at 800 nm, which is interpreted as being due to absorption saturation phenomena.
51 citations
Journal Article•
TL;DR: In this article, the characterization of semi-insulating vanadium-doped cadmium telluride crystals by different optical techniques such as photoinduced current transient spectroscopy, absorption, photoconductivity spectra and photorefractive wave mixing is presented.
Abstract: We present results on the characterization of semi-insulating vanadiumdoped cadmium telluride crystals by different optical techniques such as photoinduced current transient spectroscopy, absorption, photoconductivity spectra and photorefractive wave mixing
47 citations
TL;DR: In this paper, an on-chip Brillouin microwave synthesizer is demonstrated with phase noise of -109 dBc/Hz at 100kHz offset frequency (21.7 GHz carrier) and a record low white phase noise floor for a microcavity-based microwave source is demonstrated.
Abstract: An on-chip Brillouin microwave synthesizer is demonstrated. Phase noise of -109 dBc/Hz at 100kHz offset frequency (21.7 GHz carrier) is measured. A record low white phase noise floor for a microcavity-based microwave source is demonstrated.
44 citations
Journal Article•
35 citations