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Determination of the Excitation and Coupling Rates Between Light Emitters and Surface Plasmon Polaritons
Published on: July 21, 2018
Quantum entangling gates using the strong coupling between two optical emitters and nanowire surface plasmons.
1Department of Physics, East China University of Science and Technology ,Shanghai 200237, China.
Optics Express
|July 12, 2013
Summary
We present a method for creating quantum entangling gates using surface plasmon waveguides. This approach enhances detection efficiency by repeatedly measuring the transmission spectrum of single optical plasmons.
Area of Science:
- Quantum optics
- Plasmonics
- Quantum information science
Background:
- Generating quantum entangling gates is crucial for quantum computation.
- Direct photon detection often suffers from low efficiency.
Purpose of the Study:
- To propose an efficient scheme for generating quantum entangling gates.
- To overcome the limitations of low detection efficiency in quantum systems.
Main Methods:
- Utilizing a one-dimensional surface plasmon waveguide.
- Employing two separate three-level emitters on a metallic nanowire.
- Detecting the transmission spectrum of single optical plasmons.
Main Results:
- The proposed scheme enables the generation of quantum entangling gates.
- Repeating transmission spectrum measurements improves detection efficiency.
- The method avoids the low efficiency associated with direct single-photon detection.
Conclusions:
- The scheme offers a viable method for efficient quantum gate generation.
- Surface plasmon waveguides provide a promising platform for quantum information processing.
- This work contributes to the advancement of practical quantum technologies.

