Optical Networks: A Practical Perspective - Part 27 ppsx
Optical Networks: A Practical Perspective - Part 27 ppsx
... S. Namiki and Y. Emori. Recent advances in ultra-wideband Raman amplifiers. In
OFC 2000 Technical Digest,
pages FF-1-FF-2, 2000.
[NE01] S. Namiki and Y. Emori. Ultra-broadband Raman amplifiers ... this case, compute the
best-case and worst-case loss seen by a channel that is dropped, a channel
that is added, and a channel that is passed through the device.
(c) Another way to reali...
Optical Networks: A Practical Perspective - Part 1 ppsx
... The Morgan Kaufmann Series in Networking
Series Editor, David Clark, MIT
Optical Networks: A Practical Perspective, 2e
Rajiv Ramaswami and Kumar N. Sivarajan
Telecommunications Law in the ... Technology and Applications
Bruce Davie and Yakov Rekhter
High-Performance Communication Networks, 2e
Jean Walrand and Pravin Varaiya
Computer Networks: A Systems Approach, 2e
Larry...
Optical Networks: A Practical Perspective - Part 11 ppsx
... cross-sectional area. (a) A typical distribution of the signal inten-
sity along the radius of optical fiber. (b) A hypothetical intensity distribution, equivalent
to that in (a) for many purposes, ... a factor of C~ after it has propagated a distance equal to the dispersion length.
70
PROPAGATION OF SIGNALS IN OPTICAL FIBER
I
Figure
2.8 A (negatively) chirped Gaussian pu...
Optical Networks: A Practical Perspective - Part 19 ppsx
... reflections can convert the amplifier
into a laser, making it unusable as an amplifier.
A combination of several factors has made the EDFA the amplifier of choice in
today's optical communication ... multiplexers and
demultiplexers.
3.4
Optical Amplifiers
In an optical communication system, the optical signals from the transmitter are at-
tenuated by the optical fiber...
Optical Networks: A Practical Perspective - Part 26 ppsx
... devices, and a variety of technologies are avail-
able to build smaller-scale switches. All -optical wavelength converters are still in the
research laboratories, awaiting significant cost reductions ... commercial devices. High-speed APDs and pinFET receivers are both
available today.
Large-scale MEMS-based optical switches for use in wavelength crossconnects
are now emerging as co...
Optical Networks: A Practical Perspective - Part 33 ppsx
... that all channels are received
with approximately the same signal-to-noise ratios at the receiver and fall within the
receiver's dynamic range. However, the amount of equalization that ...
The flatness of the EDFA passband becomes a critical issue in WDM systems with
cascaded amplifiers. The amplifier gain is not exactly the same at each wavelength.
Small variations in gain betwee...
Optical Networks: A Practical Perspective - Part 40 ppsx
... layers in backbone networks today are SONET/SDH, IP,
and ATM. SONET/SDH is particularly adept at dealing with lower-speed time divi-
sion multiplexed streams, whereas IP and ATM are adept at ... signal. The optical interface corresponding to the
STS-3 rate is called OC-3 (optical carrier-3), and similar optical interfaces have been
defined for OC-12, OC-48, OC-192, and OC-768 corresp...
Optical Networks: A Practical Perspective - Part 86 pdf
...
signal formats, 24 0-2 42
DC balance and, 241
non-return-to-zero (NRZ), 24 0-2 42
return-to-zero (RZ), 24 0-2 42
See also
on-off keying (OOK) modulation
signaling interface, 503
signal-spontaneous ...
user-to-network interface (UNI), 382, 385,
523
valence band, 161
variable optical attenuator (VOA), 213
Vernier effect, 231
vertical cavity surface-emitting lasers
(VCSELs...
Optical Networks: A Practical Perspective - Part 2 doc
... so small as to be almost invis-
ible, transmitters no larger than a grain of salt, amplifiers that amplify vast chunks of
bandwidth purely as light, transmission designs that bypass 50 years ... conversant with all the important issues that
today affect how optical networks are made, what their limitations and potentialities
are, and how they fit in with more classical forms of commun...
Optical Networks: A Practical Perspective - Part 3 pptx
... added a
large amount of new material, and removed some material that is not as relevant to
practical optical networks. We have also updated the references and added some new
problems.
The major ... tool, Ashutosh Kulshreshtha for also computing the detailed
mesh network design example, Tapan Kumar Nayak for computing the lightpath
topology design example, Parthasarathi Palai for si...
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