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- Humboldt-Universität zu BerlinDE51 papers
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6 papers · 1 filter
Semiconductor Laser Linewidth Theory Revisited
Hans Wenzel, Markus Kantner, Mindaugas Radziunas +1
More and more applications require semiconductor lasers distinguished not only by large modulation bandwidths or high output powers, but also by small spectral linewidths. The theo…
Optimized diamond inverted nanocones for enhanced color center to fiber coupling
Cem Güney Torun, Philipp-Immanuel Schneider, Martin Hammerschmidt +3
Nanostructures can be used for boosting the light outcoupling of color centers in diamond; however, the fiber coupling performance of these nanostructures is rarely investigated. H…
Modelling of a miniature microwave driven nitrogen plasma jet and comparison to measurements
Michael Klute, Efe Kemaneci, Horia-Rugen Porteanu +4
The MMWICP (Miniature MicroWave ICP) is a new plasma source using the induction principle. Recently Klute et al. presented a mathematical model for the electromagnetic fields and p…
A Prototype of a Compact Rubidium-Based Optical Frequency Reference for Operation on Nanosatellites
Aaron Strangfeld, Simon Kanthak, Max Schiemangk +4
Space-borne optical frequency references based on spectroscopy of atomic vapors may serve as an integral part of compact optical atomic clocks, which can advance global navigation…
Roadmap on quantum nanotechnologies
Arne Laucht, Frank Hohls, Niels Ubbelohde +26
Quantum phenomena are typically observable at length and time scales smaller than those of our everyday experience, often involving individual particles or excitations. The past fe…
Ultracold atom interferometry in space
Maike D. Lachmann, Holger Ahlers, Dennis Becker +21
Bose-Einstein condensates (BECs) in free fall constitute a promising source for space-borne matter-wave interferometry. Indeed, BECs enjoy a slowly expanding wave function, display…