Journal article
Experimental Investigations of 3-D-/4-D-CAP Modulation With Directly Modulated VCSELs
In this letter, we present experimental investigations of multidimensional multilevel carrierless amplitude phase (CAP) modulation with directly modulated vertical cavity surface-emitting lasers. The signals are transmitted over 20 km of standard single-mode fiber (SSMF). For multilevel 3-D-CAP, bit rates of 468.75 and 937.5 Mb/s are achieved at two levels/dimension and four levels/dimension, respectively.
For 4-D-CAP, bit rates of 416.67 and 833.3 Mb/s are achieved at two levels/dimension and four levels/dimension, respectively. For all signals, a bit-error rate below the forward error correction limit of 2.8 × 10-3 for error-free reception is achieved after 20 km of SSMF transmission. Spectral efficiencies of 2.68 and 2.08 b/s/Hz are reported for 3-D-CAP and 4-D-CAP, respectively.
We believe that multidimensional modulation formats represent an attractive solution for providing more flexibility for optical fiber systems.
| Language: | English |
|---|---|
| Publisher: | IEEE |
| Year: | 2012 |
| Pages: | 2009-2012 |
| ISSN: | 19410174 and 10411135 |
| Types: | Journal article |
| DOI: | 10.1109/LPT.2012.2217811 |
| ORCIDs: | Tafur Monroy, Idelfonso |
Carrierless amplitude and phase Multilevel multidimensional modulation Vertical-cavity surface-emitting laser (VCSEL) optical communication
Modulation Optical filters Optical transmitters Receivers SSMF transmission Time frequency analysis Transceivers Vertical cavity surface emitting lasers amplitude modulation bit rate 416.67 Mbit/s to 937.5 Ebit/s bit-error rate directly modulated VCSEL directly modulated vertical cavity surface-emitting lasers distance 20 km error statistics error-free reception forward error correction forward error correction limit laser cavity resonators mulitlevel 3D-CAP modulation mulitlevel 4D-CAP modulation multidimensional multilevel carrierless amplitude phase modulation multilevel multidimensional modulation optical communication equipment optical fiber systems optical fibre communication optical modulation phase modulation semiconductor lasers signal transmission spectral efficiencies standard single-mode fiber surface emitting lasers vertical-cavity surface-emitting laser (VCSEL) optical communication
