Abstract
Carrierless amplitude and phase (CAP) modulation is a promising candidate for short reach optical communications. In this letter, we propose the use of decision-directed least mean square (DD-LMS) adaptive equalization algorithm for high-order CAP transmission systems. The optimal length of taps and step size of DD-LMS algorithm is investigated for 30 Gb/s and 40 Gb/s CAP32 systems. A hybrid equalization technique that consists of DD-LMS and its aided two-stage pre-convergence is proposed that allows experimental transmission of 40 Gb/s CAP32 40 km standard single mode fiber (SSMF).
| Original language | English |
|---|---|
| Article number | 6648641 |
| Pages (from-to) | 2346-2349 |
| Number of pages | 4 |
| Journal | IEEE Photonics Technology Letters |
| Volume | 25 |
| Issue number | 23 |
| DOIs | |
| Publication status | Published - 27 Nov 2013 |
Keywords
- adaptive equalization
- Carrierless amplitude and phase
- DD-LMS
ASJC Scopus subject areas
- Electronic, Optical and Magnetic Materials
- Atomic and Molecular Physics, and Optics
- Electrical and Electronic Engineering
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