Results 181 to 190 of about 28,714 (230)
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2007 9th International Conference on Transparent Optical Networks, 2007
The optical code division multiple access (OCDMA) over wavelength division multiplexing (WDM) passive optical network (PON) system has been proposed as a potential candidate for gigabit-symmetric fiber-to-the- home (FTTH) services. Asynchronous OCDMA over WDM systems have been experimentally demonstrated using superstructured fiber Bragg gratings ...
X. WANG +5 more
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The optical code division multiple access (OCDMA) over wavelength division multiplexing (WDM) passive optical network (PON) system has been proposed as a potential candidate for gigabit-symmetric fiber-to-the- home (FTTH) services. Asynchronous OCDMA over WDM systems have been experimentally demonstrated using superstructured fiber Bragg gratings ...
X. WANG +5 more
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IEEE Transactions on Vehicular Technology, 2002
This paper proposes personal communication network (PCN) architecture based on wavelength-division multiplexing (WDM). By employing the broadcast nature of the WDM star couplers, the proposed architecture furnishes a very simple and fast hand off procedure.
Nen-Fu Huang, Rui-Chi Wang, Chien-Yu Yeh
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This paper proposes personal communication network (PCN) architecture based on wavelength-division multiplexing (WDM). By employing the broadcast nature of the WDM star couplers, the proposed architecture furnishes a very simple and fast hand off procedure.
Nen-Fu Huang, Rui-Chi Wang, Chien-Yu Yeh
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Integration of QKD in WDM networks
2021 International Conference on Optical Network Design and Modeling (ONDM), 2021The theme of the integration of Quantum Key Distribution (QKD) in existing WDM optical networks will be discussed. Some evaluations about a reduced-cost implementation of BB84 protocol for QKD will be presented, where a QKD channel in O band is added to classical C-band WDM channels in the same fiber.
Martelli, P +6 more
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2015
The purpose of this chapter is to discuss the operation principle of an OTDM-WDM transmission system. It provides a clear picture about all building blocks of the OTDM-WDM transmission system. It also contains descriptions of various techniques that can be used to generate ultra short optical pulses for OTDM system. The basic principles of multiplexing
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The purpose of this chapter is to discuss the operation principle of an OTDM-WDM transmission system. It provides a clear picture about all building blocks of the OTDM-WDM transmission system. It also contains descriptions of various techniques that can be used to generate ultra short optical pulses for OTDM system. The basic principles of multiplexing
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BT's WDM trial - integrating WDM into an existing network
IEE Colloquium on Multiwavelength Optical Networks: Devices, Systems and Network Implementations. Day One, 1998BT is introducing WDM into its core network with two pilot schemes due to carry live traffic from 1998 summer. These are unique in that they employ 1+1 optical multiplex section protection and are capable of carrying both PDH and SDH traffic. In order to ensure that the WDM system does not degrade the performance of the traffic carried over it BT is ...
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Lightpath Reconfiguration in WDM Networks
Journal of Optical Communications and Networking, 2010Lightpath reconfiguration is a networking task that can be performed in order to improve resource utilization. The lightpath reconfiguration problem becomes nontrivial when a new set of lightpaths requires the release of resources previously seized by the (working) lightpaths currently in place, but, in order to ensure continuity of the traffic flow ...
Fernando Solano, Michal Pióro
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Growth and Sustainability Aspects of WDM
Optical Fiber Communication Conference (OFC) 2022, 2022Internet growth leads to exponentially increasing WDM-systems energy consumption. WDM systems should be replaced by more-efficient successors after certain time to optimize related use-phase carbon emissions. These emissions are overcompensated by the Greening-by-ICT effect.
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On Analyzing the Capacity of WDM PONs
GLOBECOM 2009 - 2009 IEEE Global Telecommunications Conference, 2009By taking advantage of the multiple wavelength provisioning capability, WDM PON dramatically enlarges its capacity as compared to TDM PON. The capacity of a WDM PON system depends on many factors, such as the number and capacities of wavelength channels, the network architecture, the wavelength support of receivers, and the tuning ability of lasers ...
Jingjing Zhang, Nirwan Ansari
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Survivable routing in WDM networks
Proceedings ISCC 2002 Seventh International Symposium on Computers and Communications, 2003We consider the problem of routing the lightpaths of a logical topology of a WDM network on an arbitrary physical topology, such that the logical topology remains connected even after the failure of a physical link. In a previous paper Modiano et. al. (see Proc.
Arunabha Sen, Bin Hao, Bao Hong Shen
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OFC '98. Optical Fiber Communication Conference and Exhibit. Technical Digest. Conference Edition. 1998 OSA Technical Digest Series Vol.2 (IEEE Cat. No.98CH36177), 1998
Summary form only given. Since the 1970s, and until very recently, wavelength-division multiplexing (WDM) was the upgrade technology of last resort-a component level add-on used to extract a two- or three-fold gain in fiber capacity; business volumes were modest. Optical networks were rarely more than an esoteric theme at advanced technology concepts.
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Summary form only given. Since the 1970s, and until very recently, wavelength-division multiplexing (WDM) was the upgrade technology of last resort-a component level add-on used to extract a two- or three-fold gain in fiber capacity; business volumes were modest. Optical networks were rarely more than an esoteric theme at advanced technology concepts.
openaire +1 more source