Laser-cooled trapped ions can be considered as a nearly isolated system.Hence,in this system the ions are unperturbed and have a long decoherence time.In recent
Laser-ion acceleration has been the focus of inteational research[1-3] for many years.However,obtaining mono-energetic proton beams larger than 100MeV is still
We demonstrate InAs/InGaAsP/InP quantum dot (QD) lasers grown by metalorganic chemical vapor deposition.The active region of the lasers consists of five layers
We demonstrate a high-efficiency green light conversion from an exteal cavity second harmonic generation witha MgO-doped periodically poled LiNbO3 crystal The f