Spatial mode detection by frequency upconversion
arXiv:1811.02632 · doi:10.1364/OL.44.000586
Abstract
The efficient creation and detection of spatial modes of light has become topical of late, driven by the need to increase photon-bit-rates in classical and quantum communications. Such mode creation/detection is traditionally achieved with tools based on linear optics. Here we put forward a new spatial mode detection technique based on the nonlinear optical process of sum-frequency generation. We outline the concept theoretically and demonstrate it experimentally with intense laser beams carrying orbital angular momentum and Hermite-Gaussian modes. Finally, we show that the method can be used to transfer an image from the infrared band to the visible, which implies the efficient conversion of many spatial modes.
Published version, 4 pages, 5 figures
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Cited by in corpus (6)
- A high-dimensional quantum frequency converter
- Mode Selective Image Upconversion over Turbulence
- Up-conversion detection of mid-infrared light carrying orbital angular momentum
- Experimental reconstruction of spatial Schmidt modes for a wide-field SU(1,1) interferometer
- Wavelength-adaptive spin-orbit orbital angular momentum management in three-wave mixing
- Spin to orbital angular momentum transfer in nonlinear wave mixing