Bishnu Pal , quot;Frontiers in Guided Wave Optics and Optoelectronicsquot;
In-Tech | 2010 | ISBN-10: N/A | ISBN-13: 9789537619824 | 674 pages | File type: PDF | 51,5 mb
Preface
I have great pleasure in introducing this e-book Frontiers in Guided Wave Optics and
Optoelectronics under the new series Advances in Lasers and Electro Optics being
published by IN-TECH Publishers. Guided wave optics and optoelectronics are at the heart
of optical communications, optical signal processing, miniaturization of optical components,
biomedical optics, defense applications, and so on. The most recent recognition of the
importance of this subject has been acknowledged through the conferral of the Noble Prize
in Physics for 2009 to Dr. Charles Kao for groundbreaking achievements concerning the
transmission of light in fibers for optical communicationquot;. The charter of the Noble Prize
states that it is given to ��. who shall have conferred greatest benefit on mankind. Optical
communication in the last two decades has revolutionized the way information is
transferred in terms of instant transmission as well as access especially the Internet. Optical
fiber networks are now taken for granted regardless of the scale of access, be it inter-city,
inter-continental, metro or local. Transmission loss in silica fibers has been reduced to nearly
the lowest possible limit, dispersion of signals in a telecom grade fiber can be highly
controlled to a level where signals are transmitted over long distances without any
significant impairment, and nonlinearity-induced distortions can be reduced drastically
through appropriate fiber design. With all these remarkable achievements, it appeared for a
while in the mid-1980s that there would be no further scope for research in optical fibers.
However it turned out that new demands arose for specialty fibers, in which dispersion and
nonlinearity could be tailored to achieve transmission properties, which are otherwise
impossible in conventional fibers. Around this time, the concept of photonic crystals (PhC)
was put forward, which eventually led to the development of microstructured optical fibers
(MOF), which are also referred by some as photonic crystal fibers (PCF)
Bishnu Pal
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