A tunable superconducting half-wavelength coplanar waveguide resonator (CPWR) with Nb parallel nanowires - 300 nm in width embedded in the center conductor was designed, fabricated, and measured. The frequency shift...A tunable superconducting half-wavelength coplanar waveguide resonator (CPWR) with Nb parallel nanowires - 300 nm in width embedded in the center conductor was designed, fabricated, and measured. The frequency shift and the amplitude attenuation of the resonance peak under irradiation of 404-nm pulse laser were observed with different light powers at 4.2 K. The RF power supplied to such a CPWR can serve as current bias, which will affect the light response of the resonator.展开更多
基金Project supported by the National Basic Research Program of China(Grant Nos.2011CB922104 and 2011CBA00200)the National Natural Science Foundation of China(Grant No.11474154)+1 种基金the Jiangsu Natural Science Fund for Distinguished Young Scholars(Grant No.BK2012013)a Doctoral Program(Grant No.20120091110030)
文摘A tunable superconducting half-wavelength coplanar waveguide resonator (CPWR) with Nb parallel nanowires - 300 nm in width embedded in the center conductor was designed, fabricated, and measured. The frequency shift and the amplitude attenuation of the resonance peak under irradiation of 404-nm pulse laser were observed with different light powers at 4.2 K. The RF power supplied to such a CPWR can serve as current bias, which will affect the light response of the resonator.