Title :
Flexible high-order QAM transmitters for elastic optical networks
Author :
Guo-Wei Lu ; Sakamoto, Takanori ; Kawanishi, Tetsuyas
Author_Institution :
Nat. Inst. of Inf. & Commun. Technol. (NICT), Koganei, Japan
Abstract :
In order to adapt to the dynamics in the future optical networks, we propose and experimentally two flexible high-order quadrature amplitude modulation (QAM) transmitter schemes: i) a flexible transmitter using a tandem in-phase/quadrature (IQ) modulators for generating 16-/32-/64-QAM signals; and ii) a scheme based on monolithically-integrated quad Mach-Zehnder in-phase/quadrature (QMZ-IQ) with binary driving electronics for synthesizing minimum phase-shift keying (MSK), quadrature phase-shift keying (QPSK), 8-ary phase shift keying (8PSK), and 16QAM. The flexibility and re-configurability of the proposed schemes are experimentally verified.
Keywords :
minimum shift keying; optical fibre networks; optical modulation; optical transmitters; quadrature amplitude modulation; quadrature phase shift keying; IQ modulators; MSK; QPSK; elastic optical networks; flexible high-order QAM transmitters; future optical networks; high-order quadrature amplitude modulation transmitter schemes; minimum phase-shift keying; monolithically-integrated quad Mach-Zehnder in-phase/quadrature modulators; quadrature phase-shift keying; High-speed optical techniques; Optical fibers; Optical modulation; Optical transmitters; Phase shift keying; Quadrature amplitude modulation; Flexible transmitter; elastic optical networks; quadrature amplitude modulation (QAM); software-defined optical network;
Conference_Titel :
Optical Communications and Networks (ICOCN), 2014 13th International Conference on
Conference_Location :
Suzhou
DOI :
10.1109/ICOCN.2014.6987086
