A New Optical Phase-Locked System Between Ultrashort Pulses for 640 Gbaud Nyquist OTDM Coherent QAM Transmission

Kosuke Kimura,Junpei Nitta,Masato Yoshida,Keisuke Kasai,Toshihiko Hirooka,Masataka Nakazawa

A New Optical Phase-Locked System Between Ultrashort Pulses for 640 Gbaud Nyquist OTDM Coherent QAM Transmission

2017

Kosuke Kimura
Junpei Nitta
Masato Yoshida
Keisuke Kasai
Toshihiko Hirooka
Masataka Nakazawa

We demonstrate an optical phase-locked system for a 640 Gbaud optical Nyquist pulse transmission with a mode-locked laser based local oscillator. Carrier-phase synchronization with a phase noise of as low as 0.65 degrees was achieved after a 150 km transmission.

Keywords:

Laser
Optical filter
Optics
Nyquist–Shannon sampling theorem
Electronic engineering
QAM
Local oscillator
Optical fiber
Phase noise
Pulse (signal processing)
Engineering
Synchronization

Correction
Source
Cite
Save
Machine Reading By IdeaReader

References

Citations