Optical label switching based on Manchester code + NRZ modulation

NRZ to Manchester code conversion based on nonlinear optical fiber loop mirror

Effects of Modulation Techniques (Manchester Code, NRZ or RZ) on the Operation of Hybrid WDM/TDM Passive Optical Networks

In this paper, the performance and feasibility of a hybrid wavelength division multiplexing/time division multiplexing passive optical network (WDM/TDM PON) system with 128 optical network units (ONUs) is analysed. In this system, triple play services (video, voice and data) are successfully communicated through a distance of up to 28 km. Moreover, we analysed and compared the performance of va...

All-optical modulation format conversion from NRZ-OOK to PSK-Manchester using SOA-MZI

Proposed and demonstrated is an all-optical modulation format conversion from a non-return-to-zero on-off keying (NRZ-OOK) signal to a phase-shift keying (PSK)-Manchester format signal using a semiconductor optical amplifier based Mach-Zehnder interferometer (SOAMZI). In the experiment, a 2.5 Gbit/s PSK-Manchester format signal was obtained from a NRZ-OOK signal and a 50 km error-free transmiss...

Label-Controlled Optical Switching Nodes Label-Controlled Optical Switching Nodes

NUR 959 Trefw.: optische telecommunicatie / nietlineaire optica / optische signaalverwerking. Subject headings: optical fibre communication / nonlinear optics / optical information processing. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means without the prior written consent of the author. Summary Optical networks are evolvi...

All-Optical Packet Switching Network based on Optical Code Processing

This work introduces a significant improvement for optical packet switching network based on OC processing. The key point of this method is the generalization of the optical label switching concept to forward optical packet without label swapping and O/E/O procedure. Our proposed method simplifies the design of switch devices in optical domain and packet forwarding process which speeds up packe...