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Proof-of-principle coarse WDM transmission over SI-POF is demonstrated employing μLEDs, an APD receiver and PAM modulation. A record aggregate data rate of 11 Gb/s is achieved over 10 m of POF with a BER<10−3.
In this work, we present recent advances in guided-wave VLC links enabling high-aggregate link capacities. In particular, the use of equalisation schemes, coarse wavelength division multiplexing (CWDM) and high-density waveguide arrays are discussed in the context of VLC systems and recent results are presented. It is shown that the use of simple electronic few-tap pre-equalisers can enable significant...
Feed-forward pre-equalization is investigated to extend the transmission capability of μLED-based links, providing better receiver sensitivities up to 5dB compared with post-equalization. Error-free 2Gb/s free-space VLC over 0.6m is demonstrated using a PAM-4 modulated blue μLED and an APD receiver.
This study demonstrated the high uniformity hybrid white light-emitting didoes with polyfluoren (PFO) polymer and quantum dot (QD) with different CCT range from 3000K to 9000K.
Optically-generated PAM schemes using μLED arrays are implemented for high-speed POF links for the first time. 6.25Gb/s PAM-16 transmission is demonstrated using 4 μLEDs, exhibiting 3.8dB greater power-margin than a link with a single μLED.
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