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Angular Dependence of the Radiation Power of a Josephson STAR-emitter

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Abstract

We calculate the angular dependence of the power of stimulated terahertz amplified radiation (STAR) emitted from a dc voltage applied across a stack of intrinsic Josephson junctions. During coherent emission, we assume that a spatially uniform ac Josephson current density in the stack acts as a surface electric current density antenna source, and the cavity features of the stack are contained in a magnetic surface current density source. A superconducting substrate acts as a perfect magnetic conductor with H ||,ac=0 on its surface. The combined results agree very well with recent experimental observations. Existing Bi2Sr2CaCu2O8+δ crystals atop perfect electric conductors could have Josephson STAR-emitter power in excess of 5 mW, acceptable for many device applications.

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References

  1. Tonouchi, M.: Nat. Photon. 1, 97 (2007)

    Article  ADS  Google Scholar 

  2. Ozyuzer, L., et al.: Science 318, 1291 (2007)

    Article  ADS  Google Scholar 

  3. Kadowaki, K., et al.: Physica C 468, 643 (2008)

    Article  ADS  Google Scholar 

  4. Kadowaki, K., et al.: J. Phys. Soc. Jpn. 79, 023703 (2010)

    Article  ADS  Google Scholar 

  5. Millman, J., Halkias, C.C.: Electronic Devices and Circuits. McGraw-Hill, Tokyo (1967)

    Google Scholar 

  6. Jackson, J.D.: Classical Electrodynamics, 3rd edn. Wiley, New York (1999)

    MATH  Google Scholar 

  7. Balanis, C.A.: Antenna Theory, Analysis and Design, 3rd edn. Wiley, Hoboken (2005). See Fig. 4.13

    Google Scholar 

  8. Matsumoto, H., Koyama, T., Machida, M.: Physica C 468, 1899 (2008). doi:10.1016/j.physc.2007.11.030

    Article  ADS  Google Scholar 

  9. Bulaevskii, L.N., Koshelev, A.E.: J. Supercond. Nov. Magn. 19, 349 (2006)

    Article  Google Scholar 

  10. Bulaevskii, L.N., Koshelev, A.E.: Phys. Rev. Lett. 99, 057002 (2007)

    Article  ADS  Google Scholar 

  11. Koshelev, A.E., Bulaevskii, L.N.: Phys. Rev. B 77, 014530 (2008)

    Article  ADS  Google Scholar 

  12. Lin, S., Hu, X.: Phys. Rev. Lett. 100, 247006 (2008)

    Article  ADS  Google Scholar 

  13. Klemm, R.A., Kadowaki, K.: arXiv:0807.3082 (2008)

  14. Klemm, R.A., Kadowaki, K.: arXiv:0908.4104 (2009)

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Authors and Affiliations

  1. Department of Physics, University of Central Florida, Orlando, FL, 32816, USA

    Richard A. Klemm

  2. Graduate School of Pure and Applied Sciences, University of Tsukuba, 1-1-1, Tennodai, Tsukuba, Ibaraki, 305-8573, Japan

    Kazuo Kadowaki

Authors
  1. Richard A. Klemm
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  2. Kazuo Kadowaki
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Correspondence to Richard A. Klemm.

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Klemm, R.A., Kadowaki, K. Angular Dependence of the Radiation Power of a Josephson STAR-emitter. J Supercond Nov Magn 23, 613–616 (2010). https://doi.org/10.1007/s10948-010-0719-7

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  • DOI: https://doi.org/10.1007/s10948-010-0719-7

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