The United States has developed a new laser alternative that reduces energy consumption by thousands

According to the China National Defense Science and Technology Information Network, the University of Michigan has developed a stimulated scattered polarized light amplifier (LASSP), which can be used as an alternative to existing lasers, reducing energy consumption by 1,000 times.

Using the polarization effect, some photons and working materials interact to produce a continuous beam. Researchers predict that LASSP can be used in any field of today's laser applications, such as optical communication and laser surgery. At present, LASSP can only work in low temperature environments, but developers expect to develop LASSP that can work in room temperature environments. The researchers obtained polarization by electrically exciting the gallium arsenide semiconductor sample in the microcavity, and the polarization energy was quickly transferred to the photons to rapidly decay, and based on its initial polarization performance, it escaped from the microcavity as a monochromatic beam.

Batchaia is a well-known professor in the fields of electrical engineering and computer science, and the leader of the LASSP team. Batchaya said: "We reported the first electrically excited polarized laser. Since the device was proposed in 1996, researchers from all over the world have been committed to this research. At present, this research is no longer a miracle in the scientific community. And developed into a real device. "Batchaia expects LASSP to be used as a microchip in computers to achieve on-chip and inter-chip optical communication. He added: "Our success is based on two new types of research. First, we strengthened electron polarization scattering to enhance relaxation polarization to ensure ground state continuity. Second, we used a magnetic field to inject more current into the bias current. To meet the polarized laser emission conditions.

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