Results 131 to 140 of about 3,423 (187)
Some of the next articles are maybe not open access.
Photonic Network Communication, 1999
A novel method to monitor the performance of WDM channels in an optical network is presented by analyzing the photo-diode current of a detected optical signal. From the photo-diode current, an amplitude histogram is generated, hereafter to be called the probability density function (PDF).
Bergh, van de, M.P.H. +2 more
openaire +2 more sources
A novel method to monitor the performance of WDM channels in an optical network is presented by analyzing the photo-diode current of a detected optical signal. From the photo-diode current, an amplitude histogram is generated, hereafter to be called the probability density function (PDF).
Bergh, van de, M.P.H. +2 more
openaire +2 more sources
2022
A communication system transmits and receives information from one place to another, where the separation between transmitter and receiver may be of few kilometers or transoceanic distances. Fiber-optic communication is one of such communication systems where optical fibers are deployed for information transmission.
openaire +1 more source
A communication system transmits and receives information from one place to another, where the separation between transmitter and receiver may be of few kilometers or transoceanic distances. Fiber-optic communication is one of such communication systems where optical fibers are deployed for information transmission.
openaire +1 more source
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.
openaire +2 more sources
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
openaire +2 more sources
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
openaire +2 more sources
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
openaire +1 more source
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 ...
openaire +1 more source
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.
openaire +1 more source
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
IEEE Communications Magazine, 2000
Expanding Internet-based services are driving the need for evermore bandwidth in the network backbone. These needs will grow further as new real-time multimedia applications become more feasible and pervasive. Currently, there is no other technology on the horizon that can effectively meet such a demand for bandwidth in the transport infrastructure ...
Nasir Ghani +2 more
openaire +1 more source
Expanding Internet-based services are driving the need for evermore bandwidth in the network backbone. These needs will grow further as new real-time multimedia applications become more feasible and pervasive. Currently, there is no other technology on the horizon that can effectively meet such a demand for bandwidth in the transport infrastructure ...
Nasir Ghani +2 more
openaire +1 more source
On IP-WDM integration: a retrospective
IEEE Communications Magazine, 2003Ghani et al. (2000) presented an in-depth look at the area of IP-optical integration. Specifically, that survey studied key architecture and protocols issues and outlined likely trends and developments. However, since then much has transpired, especially in light of the telecom market slowdown, and invariably these dynamics have significantly affected ...
Nasir Ghani +2 more
openaire +1 more source

