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CONNECTING THE COMPOUND SEMICONDUCTOR COMMUNITY contents
Volume 16 Number 1
industry & technology
14
IQE seeks growth with market
Soaring sales of VCSELs for optical links in PCs and
handsets are just some of the promising signs that
foretell a market growth that IQE is determined to
take advantage of.
21
Moving from blue to green
Osram has been a front-runner in race to make a
green-emitting nitride laser, and its attempts to reduce
dark spots in the active layer have enabled the
company to be the first to break the 500 nm barrier.
26
Designing solar success
If terrestrial concentrator photovoltaics are to enjoy
commercial success then electricity generation costs
must fall. One way to do this is to improve the design
of the cell with a stacked architecture that eliminates
strain and current matching issues.
30
Bigger wafers will mean bigger business
LEDs are making inroads to a number of markets.
Continued market growth will depend on reducing
cost per lumen and larger wafers could be the key.
14
34
To fab or not to fab
The benefits of fab ownership will outweigh the
disadvantages as component manufacturers meet the
challenges of lower cost and higher transmission
speeds by pushing complexity back to the chip level.
38
III-V strength at IEDM
Highlights from IEDM 2009 include the development
of novel GaN transistors for power electronics and
improved gate dielectrics for III-V transistors targeting
logic applications.
26 30
41
Defining the droop
Modulation experiments with nitride lasers reveal that
auger is the cause of LED droop.
news
07 European CMOS photonics success 10 Single molecule semiconductor
08
Nitrogen not a dope for ZnO
Iron arsenic compound search 11
GaAs expansion for Spire
638nm red LD record
07 10
09
Vertically grown silicon nanowires
12
First Solar continues growth
LED partnership
10
European nano wire research
13
High power red LED
OLED makes a move
12 13
January/February 2010 www.compoundsemiconductor.net 5
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