Summary
Optoelectronics and Communications Conference/International Conference on Integrated Optics and Optical Fiber Communication
2007
Session Number:12B3
Session:
Number:12B3-4
Demonstration of optical quadrature amplitude modulation by using a high-speed optical DQPSK modulator and precise voltage-control technique
Akito Chiba, Takahide Sakamoto, Tetsuya Kawanishi, Masayuki Izutsu,
pp.342-343
Publication Date:2007/7/9
Online ISSN:2188-5079
Summary:
We succeeded in observation of constellation map of a 16-level optical quadrature amplitude modulation with a rate of 2 Gbaud by adopting techniques of precise control of modulation voltages and digital carrier-phase estimation.