Developed based on the scientific research team in China for the first time black phosphorus fiber mode-locked lasers, the output signal of ultrashort pulse laser. There is a kind of material is the industry become a par of graphene & other; Dream material & throughout; , it is similar to the graphene, black phosphorus has many excellent properties was discovered this year a new type of material. For black and phosphorus application research in China has just begun, this year, the researchers found that black phosphorus has a broadband saturable absorption properties, light wavelengths can be covered in the visible and infrared bands. In the field of the laser, with saturable absorption properties device is the key to form a ultrashort pulse laser. Black phosphorus in the discovery of this feature for infrared super fast optical device research and development. The results of the study are published in international journals in October 2015 journal of advanced functional materials.



graphene is a semimetal no band gap semiconductor materials, with high electron mobility and the characteristics of broadband light absorption. However, no band gap band structure limits the application and development in the field of graphene in photoelectric. And the biggest characteristic of black phosphorus is having with direct band gap of layer variable, it happens to solve the problem in graphene. Not limited to light electric field, the application of phosphorus also has advantages in biomedical field.

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