Large area photodetector based on microwave cavity perturbation techniques

Carugno, G.; Sirugudu, R. K.; Lombardi, A.; Ruoso, G.

doi:10.1063/1.4891518

Title: Large area photodetector based on microwave cavity perturbation techniques

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Abstract

We present a preliminary study to develop a large area photodetector, based on a semiconductor crystal placed inside a superconducting resonant cavity. Laser pulses are detected through a variation of the cavity impedance, as a consequence of the conductivity change in the semiconductor. A novel method, whereby the designed photodetector is simulated by finite element analysis, makes it possible to perform pulse-height spectroscopy on the reflected microwave signals. We measure an energy sensitivity of 100 fJ in the average mode without the employment of low noise electronics and suggest possible ways to further reduce the single-shot detection threshold, based on the results of the described method.

Authors:

Carugno, G.; Sirugudu, R. K. ^[1]; Lombardi, A.; Ruoso, G. ^[2]

Dip. di Fisica e Astronomia and INFN Sez. di Padova, Via F. Marzolo 8, I-35131 Padova (Italy)
INFN, Laboratori Nazionali di Legnaro, Viale dell'Università 2, I-35020 Legnaro (Italy)

Publication Date:: Mon Jul 28 00:00:00 EDT 2014

OSTI Identifier:: 22308569

Resource Type:: Journal Article

Journal Name:: Journal of Applied Physics

Additional Journal Information:: Journal Volume: 116; Journal Issue: 4; Other Information: (c) 2014 AIP Publishing LLC; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0021-8979

Country of Publication:: United States

Language:: English

Subject:: 75 CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY; CAVITY RESONATORS; CRYSTALS; DETECTION; FINITE ELEMENT METHOD; MICROWAVE RADIATION; NOISE; PERTURBATION THEORY; PHOTODETECTORS; PULSES; SEMICONDUCTOR MATERIALS; SENSITIVITY; SIMULATION; SPECTROSCOPY; SUPERCONDUCTING CAVITY RESONATORS

Citation Formats


                    Braggio, C., E-mail: caterina.braggio@unipd.it, Carugno, G., Sirugudu, R. K., Lombardi, A., and Ruoso, G. Large area photodetector based on microwave cavity perturbation techniques.  United States: N. p., 2014. 
        Web.  doi:10.1063/1.4891518.

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                    Braggio, C., E-mail: caterina.braggio@unipd.it, Carugno, G., Sirugudu, R. K., Lombardi, A., & Ruoso, G. Large area photodetector based on microwave cavity perturbation techniques.  United States.  https://doi.org/10.1063/1.4891518

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                    Braggio, C., E-mail: caterina.braggio@unipd.it, Carugno, G., Sirugudu, R. K., Lombardi, A., and Ruoso, G. 2014.  
        "Large area photodetector based on microwave cavity perturbation techniques".  United States.  https://doi.org/10.1063/1.4891518.

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@article{osti_22308569,

  title        = {Large area photodetector based on microwave cavity perturbation techniques},

  author       = {Braggio, C., E-mail: caterina.braggio@unipd.it and Carugno, G. and Sirugudu, R. K. and Lombardi, A. and Ruoso, G.},

  abstractNote = {We present a preliminary study to develop a large area photodetector, based on a semiconductor crystal placed inside a superconducting resonant cavity. Laser pulses are detected through a variation of the cavity impedance, as a consequence of the conductivity change in the semiconductor. A novel method, whereby the designed photodetector is simulated by finite element analysis, makes it possible to perform pulse-height spectroscopy on the reflected microwave signals. We measure an energy sensitivity of 100 fJ in the average mode without the employment of low noise electronics and suggest possible ways to further reduce the single-shot detection threshold, based on the results of the described method.},

  doi          = {10.1063/1.4891518},

  url          = {https://www.osti.gov/biblio/22308569},
  journal      = {Journal of Applied Physics},

  issn         = {0021-8979},

  number       = 4,

  volume       = 116,

  place        = {United States},

  year         = {Mon Jul 28 00:00:00 EDT 2014},

  month        = {Mon Jul 28 00:00:00 EDT 2014}

}

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