2 Gbit/s data transmission from an unfiltered laser-based phosphor-converted white lighting communication system
Oubei, Hassan M.
Ng, Tien Khee
Farrell, Robert M.
El-Desouki, Munir M.
Speck, James S.
Ooi, Boon S.
DenBaars, Steven P.
KAUST DepartmentComputer, Electrical and Mathematical Sciences and Engineering (CEMSE) Division
Electrical Engineering Program
Online Publication Date2015-11-05
Print Publication Date2015-11-16
Permanent link to this recordhttp://hdl.handle.net/10754/595534
MetadataShow full item record
AbstractWe demonstrate data transmission of unfiltered white light generated by direct modulation of a blue gallium nitride (GaN) laser diode (LD) exciting YAG:Ce phosphors. 1.1 GHz of modulation bandwidth was measured without a limitation from the slow 3.8 MHz phosphor response. A high data transmission rate of 2 Gbit/s was achieved without an optical blue-filter using a non-return-to-zero on-off keying (NRZ-OOK) modulation scheme. The measured bit error rate (BER) of 3.50 × 10−3 was less than the forward error correction (FEC) limit of 3.8 × 10−3. The generated white light exhibits CIE 1931 chromaticity coordinates of (0.3628, 0.4310) with a color rendering index (CRI) of 58 and a correlated color temperature (CCT) of 4740 K when the LD was operated at 300 mA. The demonstrated laser-based lighting system can be used simultaneously for indoor broadband access and illumination applications with good color stability.
Citation2 Gbit/s data transmission from an unfiltered laser-based phosphor-converted white lighting communication system 2015, 23 (23):29779 Optics Express
PublisherThe Optical Society