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Laser cavities take on new shapes and functionalities
Laser cavities new shapes functionalities
2017/10/26
Researchers have demonstrated the first laser cavity that can confine and propagate light in any shape imaginable, even pathways with sharp bends and angles. The new cavity, called a topological cavit...
Comparison of Pulse Shapes in a 224Gbit/s (28Gbaud) PDM-QAM16 Long-Haul Transmission Experiment
Fiber optics communications Phase modulation
2015/5/20
We investigate the effectiveness of RZ50 versus NRZ in a 224Gbit/s PDM-QAM16 transmission. Record distances of 2000km and 1520km are reported for single- and 3-channel transmission over SMF links with...
Directional Photofluidization Lithography for Nanoarchitectures with Controlled Shapes and Sizes
Surface plasmon resonance metallic nanostructures azopolymer directional photofl uidization
2015/8/10
Highly ordered metallic nanostructures have attracted an increasing interest in nanoscale electronics, photonics, and spectroscopic imaging. However, methods typically used for fabricating metallic na...
Sharp asymmetric line shapes in side-coupled waveguide-cavity systems
asymmetric line shapes side-coupled waveguide-cavity systems
2015/8/11
We show that, for an optical microcavity side coupled with a waveguide, sharp, and asymmetric line shapes can be created in the response function by placing two partially reflecting elements int...