Ghasempour Ardakani, Abbas; Reza Bahrampour, Ali; Mohammad Mahdavi, Seyed; Hosseini, Mahdi
We theoretically demonstrate the tunabiltiy of terahertz random lasers composed of high temperature superconductorYBCO and ruby layers as active medium. The considered system is a one-dimensional disordered medium made of ruby grain and YBCO. Finite-difference time domain method is used to calculate the emission spectrum and spatial distribution of electric field at different temperatures. Our numerical results reveal that the superconductor based random lasers exhibit large temperature...[Show more]
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