Journal
OPTICS LETTERS
Volume 44, Issue 24, Pages 6009-6012Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.44.006009
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Funding
- Engineering and Physical Sciences Research Council [EP/P003990/1]
- EPSRC [EP/P003990/1] Funding Source: UKRI
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We present wide field-of-view (FOV) bi-directional pointto-multipoint indoor optical wireless communications operating over a range of 4 m. The system is designed to integrate with fiber-to-the-home/building networks realized by a passive optical network. A phase-only spatial light modulator (SLM)-based beam steering base station with a +/- 130 degrees FOV broadcasts downstream transmissions to two nomadic user terminals that use mirror-based beam steering to provide a +/- 50 degrees FOV. At the base station, a composite phase mask is constructed on the SLM not only to perform optical broadcasting, but also to steer upstream optical transmissions from user terminals at a different wavelength. Successful upstream and downstream data transmission of 25 Gbit/s PAM4 is achieved. Published by The Optical Society under the terms of the Creative Commons Attribution 4.0 License.
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