Download software development life cycle

A technical Seminar presentation 2009
on
Under the Guidance of
S.K.MISHRA
Presented by
ANUJ SRIVASTAVA
SEEMANTA ENGINEERING COLLEGE
ELECTRONICS AND TELECOMMUNICATION ENGINEERING
RegNo: 0601201232
RollNo: 10-A-64
•
•
•
•
•
•
•
•
•
•
Introduction
Features of Photonics
Silicon Material
Silicon Light Source
Filtering Light
Silicon Modulator
Silicon based photo detector
Disadvantage
Conclusion
Reference
Presented by: ANUJ SRIVASTAVA
•
Silicon photonics is an evolving technology
in which data is transferred among computer
chips by optical rays. Optical rays can carry
far more data in less time than electrical
conductors. Its overarching goal is to develop
high volume, bolt-and-go optical components
using silicon. While silicon is opaque in the
visible spectrum, it is transparent at the
infrared wavelengths used in optical
transmission, hence it can guide light.
Presented by: ANUJ SRIVASTAVA
•
•
•
•
phase insensitive.
frequency conversion → WDM meets perfectly
the requirements of ultra fast all data optical
data.
processing and regeneration.
alternative or supplement to semiconductorbased photonics.
Presented by: ANUJ SRIVASTAVA
•
Amorphous silicon
•
Porous silicon
•
Black silicon
Presented by: ANUJ SRIVASTAVA
Presented by: ANUJ SRIVASTAVA
The work towards a silicon-based emitter is
ongoing but still far from nature. Until an
efficient, reliable silicon based light source is
available, a photonic integrated system will need
to use a conventional III-V material light emitter.
Presented by: ANUJ SRIVASTAVA
To cause the laser to generate only one specific wavelength,
the light can be filtered by a grating, which reflects a specific
set of wavelengths in a different direction. The specific
wavelengths needed for communication can be individually
selected and directed toward other photonic components.
Presented by: ANUJ SRIVASTAVA
Schematic of a Mach-Zehnder interferometer
modulator with two phase shifter sections .
Presented by: ANUJ SRIVASTAVA
Si1-x Gex waveguide-based photodetector on a SOI wafer.
The waveguide is formed by the ridge of p-Si material and is
running perpendicular to the cross-section. The SiGe MQW
are inside the region labeled SiGe.
Presented by: ANUJ SRIVASTAVA
•
Production is not efficient but cost is efficient.
•
Wave guides and fibers are harder to use than wire.
•
The components are more expansive.
Presented by: ANUJ SRIVASTAVA
From the above report it can be concern that
Silicon modulators operating at 2.5 GHz have
demonstrated two orders of magnitude
improvement over other known Si-based
modulators, with theoretical modeling indicating
performance capacities beyond 10 GHz.
Presented by: ANUJ SRIVASTAVA
• www.research.ibm/photonics
• www.portal.acm.org
• www.rpphotonics.com/silicon_photonics.html
• www.technologyreview.com
• www.uksiliconphotonics.co.uk
• www.siliconphotonics.eu
• Professor-lorenzo pavesi
• Torento university
• Professor-david j.lockwood
• Institute for microstructural sciences
• National research council canada
• B.jalai,M.paniccia and G.reed,IEE Microwave Magazine (June2006)
Presented by: ANUJ SRIVASTAVA
Thank
You !!!