Coupling efficiency for phase locking of a spin transfer oscillator to a microwave current

Details Coupling efficiency for phase locking of a spin transfer oscillator to a microwave current Coupling efficiency for phase locking of a spin transfer oscillator to a microwave current

2008-02-28

arxiv.org/abs/0802.4162v3

Physics

Condensed Matter

Materials Science

Scientific paper

10.1103/PhysRevLett.101.017201

The phase locking behavior of spin transfer nano-oscillators (STNOs) to an external microwave signal is experimentally studied as a function of the STNO intrinsic parameters. We extract the coupling strength from our data using the derived phase dynamics of a forced STNO. The predicted trends on the coupling strength for phase locking as a function of intrinsic features of the oscillators i.e. power, linewidth, agility in current, are central to optimize the emitted power in arrays of mutually coupled STNOs.

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