Jean Armstrong. Optical domain digital-to-analog converter for visible light communications using LED arrays [Invited][J]. Photonics Research, 2013, 1(2): 92
- Photonics Research
- Vol. 1, Issue 2, 92 (2013)
Fig. 1. Block diagram of a conventional visible light transmitter using an electrical digital-to-analog converter (DAC).
Fig. 2. Structure of transmitter using optical domain digital-to-analog conversion using an LED array.
Fig. 3. Array of individually switchable LEDs.
Fig. 4. Array consisting of a number of parallel strings of LEDs where each string, but not each LED, can be separately switched.
Fig. 5. Structure of transmitter using a hybrid optical/electrical DAC.
Fig. 6. Structure of the new hybrid optical/electrical DAC.
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