Share Email Print
cover

Proceedings Paper • new

PAM-6 generation using 32-QAM constellation
Author(s): L. Chorchos
Format Member Price Non-Member Price
PDF $17.00 $21.00
cover GOOD NEWS! Your organization subscribes to the SPIE Digital Library. You may be able to download this paper for free. Check Access

Paper Abstract

In this paper an intermediate solution to pulse amplitude modulation with 4 levels (PAM-4) and PAM-8, namely PAM-6 is presented. The generation of the signal is based on a constellation from 32-quadrature amplitude modulation (32-QAM) and assumes the I and Q components to be interleaved, which allows its application in intensity modulation/direct detection systems. The PAM-6 modulation shows higher resistance to noise than PAM-8 and increased by 25% the bitrate for constant bandwidth when compared to PAM-4. In the paper, experimental results and a comparison of PAM-6 modulation to PAM-4 and PAM-8 is made for an electrical interface, a directly modulated 850nm VCSEL and an externally modulated 1310nm DFB laser.

Paper Details

Date Published: 1 February 2019
PDF: 10 pages
Proc. SPIE 10946, Metro and Data Center Optical Networks and Short-Reach Links II, 109460N (1 February 2019); doi: 10.1117/12.2509732
Show Author Affiliations
L. Chorchos, Warsaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 10946:
Metro and Data Center Optical Networks and Short-Reach Links II
Atul K. Srivastava; Madeleine Glick; Youichi Akasaka, Editor(s)

© SPIE. Terms of Use
Back to Top