What exactly is Tungsten Selenide
Selenide tungsten (WSe2) (type 2 d material) is a graphene type 2. Its structure is composed the the top layer of selenium/tungsten atom connections between tungstenatoms. This layer has an atomic thickness of 1 layer, high electric conductivity, high electron transfer and constraint spin. Furthermore, two selenide-tungsten, the lowest thermal conductivity materials, is 100000th that of a diamond. The application possibilities for tungsten selenide are vast in areas such as photoelectricity, biosensors and supercapacitors.
Research significance of photonics
Photonics refers to the science of studying information carrier with photon. This has broad applications in photodetector, semiconductor laser and optical communication device as well as new materials. For the advancement of photonic technology, and for future research into the process of creating photonic devices, it is vital to understand and investigate the photonic generator process.
Tungsten Selenide In Photonic Technology
Researchers discovered that the tungsten selenide was composed of many “co-oscillations” which are sensitive and responsive to photon absorption. One of WSe2’s oscillations was chosen by the team, which was called D excitons and another pulse (1). They found that WSe2 was exposed to two excitation pulses (1 & 2) and that the one-time pulse was converted to an A exciton. Their sum frequency (1+ 2) became A D exciton. With A signal 20 times greater than the single resonant, this result was not surprising. SFG produces photons with a higher intensity than SHG.
These are just a few of the many benefits that advanced photonic devices have. Not only does the double resonance SFG technique provide new scientific methods for microscopic, nonlinear spectral, and optical analysis but it also allows for new nonlinear optics techniques and nonlinear optometry using two-dimensional semiconductors. These researches have the potential of bringing photonics up to a higher level, such that medical care can be provided with more advanced optical imaging equipment and less expensive diagnostic methods.
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