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

被引：134
|
作者：
Georges, B. [1 ,2 ]
Grollier, J. [1 ,2 ]
Darques, M. [1 ,2 ]
Cros, V. [1 ,2 ]
Deranlot, C. [1 ,2 ]
Marcilhac, B. [1 ,2 ]
Faini, G. [3 ]
Fert, A. [1 ,2 ]
机构：
[1] CNRS Thales, Unite Mixte Phys, F-91767 Palaiseau, France
[2] Univ Paris 11, F-91767 Palaiseau, France
[3] CNRS, Phynano Team, Lab Photon & Nanostruct, F-91400 Orsay, France
来源：
PHYSICAL REVIEW LETTERS | 2008年 / 101卷 / 01期
关键词：
D O I：
10.1103/PhysRevLett.101.017201
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
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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页数：4
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