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This is the first detailed study and catalogue of a comb type that represents a new technology introduced into Britain towards the end of the 4th century AD and a major signifier of the late fourth- to fifth-century transition.
Over the last few years, there has been a convergence between the fields of ultrafast science, nonlinear optics, optical frequency metrology, and precision laser spectroscopy. These fields have been developing largely independently since the birth of the laser, reaching remarkable levels of performance. On the ultrafast frontier, pulses of only a few cycles long have been produced, while in optical spectroscopy, the precision and resolution have reached one part in Although these two achievements appear to be completely disconnected, advances in nonlinear optics provided the essential link between them. The resulting convergence has enabled unprecedented advances in the control of the electr...
Energy-efficient Tbit/s optical interconnects are key elements for future communication systems. Three novel optical frequency comb sources are investigated, which have the potential of being integrated in chip-scale Tbit/s transmitters. Such frequency combs provide a large number of carriers. The equidistance of the comb lines helps to minimize spectral guard bands. For each type of comb source, coherent data transmission experiments show the potential for Tbit/s data transmission rates.
At the time of its release in 1912, the book "Comb Honey" was recommended to be published in a Farmer's Bulletin as a means to combat the decrease in the amount of comb honey produced. The book presents to professional beekeepers an analysis of the best practice as well as points out some essentials to the production of maximum crops of the best grade.
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To keep up with the ever-increasing data transmission speed needs, data center interconnects are scaling up to provide multi-Tbit/s connectivity. These links require a high number of WDM channels, while the associated transceivers should be compact and energy efficient. Scaling the number of channels, however, is still limited by the lack of adequate optical sources. In this book, we investigate novel chip-scale frequency comb generators as multi-wavelength light sources for Tbit/s WDM links.
Many hundred of bone and antler combs have been uncovered during half a century of excavation at the medieval settlement of Novgorod in Russia.