• Design and analysis of the droop control method for parallel inverters considering the impact of the complex impedance on the power sharing 

      Yao, W.; Chen, Min; Matas Alcalá, José; Guerrero Zapata, Josep Maria; Qian, Z.-M. (IEEE Press. Institute of Electrical and Electronics Engineers, 2011-02)
      Article
      Accés restringit per política de l'editorial
      This paper investigates the characteristics of the active and reactive power sharing in a parallel inverters system under different system impedance conditions. The analyses conclude that the conventional droop method ...
    • Electrical tunability ofterahertz nonlinearity in graphene 

      Kovalev, Sergey; Hafez, Hassan A.; Tielrooij, Klass-Jan; Deinert, Jan-Christoph; Ilyakov, Igor; Awari, Nilesh; Alcaraz, David; Soundarapandian, Karuppasamy; Saleta, David; Germanskiy, Semyon; Chen, Min; Bawatna, Mohammed; Green, Bertram; Koppens, Frank H. L.; Mittendorff, Martin; Bonn, Mischa; Gensch, Michael; Turchinovich, Dmitry (Science, 2021-04-07)
      Article
      Accés obert
      Graphene is conceivably the most nonlinear optoelectronic material we know. Its nonlinear optical coefficients in the terahertz frequency range surpass those of other materials by many orders of magnitude. Here, we show ...