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Spectral Response of Metallic Optical Antennas Driven by Temperature
Alexander Cuadrado1, José Manuel López-Alonso2, Francisco Javier González3
1Laser Processing Group.Insitute of Optics. Consejo Superior de Investigaciones Científicas, C/ Serrano 121, 28006 Madrid, Spain.
Plasmonics (Norwell, Mass.)
|May 26, 2017
Summary
Optical antennas can detect light spectra by measuring how temperature affects their response. This study models this temperature-spectral response and device noise to quantify spectral determination accuracy for various light sources.
Area of Science:
- Optoelectronics
- Nanophotonics
- Spectroscopy
Background:
- Optical antennas are sensitive to temperature, altering their spectral response.
- This temperature-dependent spectral response is a key characteristic for light detection applications.
Purpose of the Study:
- To determine the spectrum of a light beam using an optical antenna's signal.
- To evaluate the performance and accuracy of optical antennas as light detectors based on their temperature-spectral response.
Main Methods:
- Developing a numerical model for the temperature-spectral response of optical antennas.
- Incorporating a device noise model into the evaluation.
- Quantifying spectral determination errors for broadband and monochromatic radiation.
Main Results:
- The study successfully established a method to determine light spectra from optical antenna signals.
- Numerical evaluation quantified the error in spectrum determination, considering both response and noise.
Conclusions:
- Optical antennas show potential as light detectors by leveraging their temperature-dependent spectral response.
- The developed model provides a framework for understanding and improving the accuracy of spectral determination using these devices.
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