Sensing and excitation of optical channels in dynamic atmospheric turbulence using OAM beamlets for improved power and data transmission
Posted on 2022-12-15 - 15:01
Propagation of laser light is distorted in the presence of atmospheric turbulence. This poses an issue for sensing, free-space optical communications, and transmission of power. The presented system offers a novel solution to mitigate the effects of turbulence. By rapidly probing a turbulent volume by varying a beam’s spatial and phase characteristics, the best transmission mode can be determined and updated in real time. Unlike a traditional tip-tilt system, this scheme is fully electronic, and has a scalable architecture to leverage multiple optical transmission paths simultaneously. This optical control system greatly improves power efficiency and successful recovery of data through environments with strong turbulence.
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Lemon, Martyn; Robertson, Evan; Free, Justin; Dai, Kunjian; Miller, Keith; Vanderschaaf, Liam; et al. (2022). Sensing and excitation of optical channels in dynamic atmospheric turbulence using OAM beamlets for improved power and data transmission. Optica Publishing Group. Collection. https://doi.org/10.6084/m9.figshare.c.6209824.v2
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