Digital Signal Processing Reference
In-Depth Information
Chapter 2
Contemporary and Future Trends in Optics
Abstract
In this chapter research based work encompassing present and future
trends of optics has been presented. Various research aspects in the area of silica-
glass fiber have substantially been explored and pointed out for future trends. An
effort has been made to incorporate the latest and updated research so as to pro-
vide the premises for the work that has been done in the subject area.
Keywords
Continuous wave laser • Optoelectronic integration • Photonic
integrated circuits • Nonlinear interaction • Signal to noise ratio
Abbreviations
LED Light-emitting diodes
PICs Photonic integrated circuits
CW Continuous wave
SRS Stimulated Raman scattering
TPA Two photon absorption
CPM Cross phase modulation
FCA Free carrier absorption
GVD Group velocity dispersion
NF Noise figure
OSNR Optical signal to noise ratio
The invention of the silica-glass optical fiber having loss range acceptable for
information transportation using chemical vapor deposition, facilitated new pos-
sibility in communication technology, and led to possibility of ultra-high capacity
information low. Optical age begins with two inventions, almost concurrently in
1970s, low loss silica-glass fiber and continuous wave (CW) semiconductor laser.
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