Spectrum partition technique for frequency control in large-scale all-optical networks

1997 ◽  
Author(s):  
Abdelhafid Amrani ◽  
Jesus Roldan ◽  
Yizhou Zhang ◽  
Josep Prat-Goma ◽  
Albert Rafel ◽  
...  
Keyword(s):  
Optical Networks ◽  
Large Scale ◽  
Frequency Control ◽  
Partition Technique ◽  
All Optical

Transmission features and limitations of large-scale switchless all-optical networks

1999 ◽  
Vol 11 (7) ◽  
pp. 913-915 ◽  
Author(s):  
S. Binetti ◽  
G. Notaro ◽  
R. Sabella
Keyword(s):  
Optical Networks ◽  
Large Scale ◽  
All Optical

scholarly journals Design of all Optical Packet Switching Networks

2002 ◽  
Vol 7 (1) ◽  
pp. 1
Author(s):  
Hussein T. Mouftah
Keyword(s):  
Optical Networks ◽  
Large Scale ◽  
Optical Network ◽  
Optical Switches ◽  
Traffic Load ◽  
Wavelength Converters ◽  
Small Scale ◽  
Wavelength Converter ◽  
All Optical ◽  
The Impact

Optical switches and wavelength converters are recognized as two of the most important DWDM system components in future all-optical networks. Optical switches perform the key functions of flexible routing, reconfigurable optical cross-connect (OXC), network protection and restoration, etc. in optical networks. Wavelength Converters are used to shift one incoming wavelength to another outgoing wavelength when this needs to be done.  Always residing in optical switches, they can effectively alleviate the blocking probability and help solve contention happening at the output port of switches. The deployment of wavelength converters within optical switches provides robust routing, switching and network management in optical layer, which is critical to the emerging all-optical Internet. However, the high cost of wavelength converters at current stage of manufacturing technology has to be taken into consideration when we design node architectures for an optical network. Our research explores the efficiency of wavelength converters in a long-haul optical network at different degrees of traffic load by running a simulation. Then, we propose a new cost-effective way to optimally design wavelength-convertible switch so as to achieve higher network performance while still keeping the total network cost down. Meanwhile, the routing and wavelength assignment (RWA) algorithm used in the research is designed to be a generic one for both large-scale and small-scale traffic. Removing the constraint on the traffic load makes the RWA more adaptive and robust. When this new RWA works in conjunction with a newly introduced concept of wavelength-convertible switches, we shall explore the impact of large-scale traffic on the role of wavelength converter so as to determine the method towards optimal use of wavelength convertible switches for all-optical networks.  

Sparse Placement of Wavelength Convertible 3R Regenerators and Joint Resource Assignment in Large-Scale Optical Networks

2013 ◽  
Vol E96.B (7) ◽  
pp. 1845-1856
Author(s):  
Xin WANG ◽  
Filippos BALASIS ◽  
Sugang XU ◽  
Yoshiaki TANAKA
Keyword(s):  
Optical Networks ◽  
Large Scale ◽  
Resource Assignment

scholarly journals Signaling free localization of node failures in all-optical networks

2014 ◽  
Author(s):  
Janos Tapolcai ◽  
Lajos Ronyai ◽  
Eva Hosszu ◽  
Pin-Han Ho ◽  
Suresh Subramaniam
Keyword(s):  
Optical Networks ◽  
All Optical ◽  
Node Failures

Large-scale integration of wavelength-addressable all-optical memories on a photonic crystal chip

2014 ◽  
Vol 8 (6) ◽  
pp. 474-481 ◽  
Author(s):  
Eiichi Kuramochi ◽  
Kengo Nozaki ◽  
Akihiko Shinya ◽  
Koji Takeda ◽  
Tomonari Sato ◽  
...  
Keyword(s):  
Photonic Crystal ◽  
Large Scale ◽  
Optical Memories ◽  
All Optical ◽  
Large Scale Integration ◽  
Scale Integration
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