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A novel fiber in-line Mach-Zehnder interferometer (MZI) is demonstrated for temperature and refractive index measurements. The sensor is formed by splicing a section of etched thin core fiber (TCF) between two single mode fibers (SMFs). Experimental results show that, high temperature sensitivity of 198.5pm/°C with a temperature variation of 40 °C is achieved. The Refractive index (RI) response of...
Optical networks have been widely adopted as the transport network in research industry for years. To better utilize the high speed benefit of optical transport networks, control framework has become the focus of research in recent years. This paper presented a control framework integrated with a set of algorithms, schemes and protocols. First, a two-level hierarchical routing strategy was introduced...
We present a framework of managing optical networks using network virtualization. We use Web Services to achieve network management functions. Through network virtualization, service brokers can compose usage cases for the created virtual networks, so that end users are able to reconfigure the virtual networks without realtime interventions of administrators.
The fact that wavelength conversion hardly improves the performance of static routing and wavelength assignment (RWA) in wavelength division multiplexing (WDM) networks has been observed in many previous studies. However, other than simulation results, until now there was no formal proof of such fact. In this paper, we formally prove that wavelength conversion does not improve the Lagrangian bound...
User owned and managed optical networks offer new benefits compared to carrier networks. There are basically two types of user owned and managed optical networks: metro dark fibre networks and long-haul wavelength networks. A user-controlled lightpath provisioning system is designed to address the network management challenges, where only the customer has complete visibility of its own network and...
Four key functional requirements are identified in peer-to-peer optical networking: resource discovery and inter-domain routing protocol, symmetric inter-domain signaling mechanism, autonomous blocking control, and data plane or physical layer internetworking
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