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Gouy Phase Radial Mode Sorter for Light: Concepts and Experiments.
Xuemei Gu1,2, Mario Krenn1,3, Manuel Erhard1,3
1Institute for Quantum Optics and Quantum Information (IQOQI), Austrian Academy of Sciences, Boltzmanngasse 3, 1090 Vienna, Austria.
Physical Review Letters
|March 24, 2018
Summary
We developed a lossless optical sorter for radial light modes using accumulated Gouy phases. This breakthrough enables full control over light
Area of Science:
- Optics and Photonics
- Quantum Physics
Background:
- Controlling light modes is crucial for optical information processing and quantum experiments.
- Existing methods for sorting light modes can be lossy or complex.
Purpose of the Study:
- To present a novel, in-principle lossless method for sorting radial modes of light.
- To demonstrate the capability of this method for complete control over the two-dimensional transverse plane of light.
- To highlight its potential applications in classical information multiplexing and quantum physics.
Main Methods:
- Utilizing accumulated Gouy phases to sort radial modes.
- Employing a computer algorithm to discover experimental setups.
- Integrating radial mode sorting with existing angular-momentum mode sorting techniques.
Main Results:
- Demonstration of a lossless sorter for radial modes of light.
- Experimental setups are intuitively understood through a geometric interpretation.
- Achieved complete access to the two-dimensional transverse plane of light.
- Showcased potential for classical information multiplexing.
Conclusions:
- The developed device offers a lossless method for controlling light modes.
- It serves as a quantum mechanical analog to the Stern-Gerlach experiment.
- The technology is applicable to high-dimensional and multiphotonic quantum experiments.
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