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Government funds photonics research at Surrey University

50°
375w ago - The University of Surrey is to lead a five year £5m Government funded study into silicon photonics.

"There is renewed interest in silicon photonics because of the microprocessor interconnect bottleneck," programme leader Professor Graham Reed told EW. "If you do it optically, you get a huge bandwidth."

Although far from an ideal optical material, silicon can transmits light at the telecoms wavelengths of 1550 and 1300nm, and its oxide can be used as a cladding to constrain light. On-chip and chip-to-chip communications are targets.

Surrey with its partners will work on silicon optical modulators, detectors, filters and couplers. "What we are not doing is any light sources, partly because there is already enough heat on a microprocessor," said Reed. "We will bring it in through an optical fibre."

Couplers are particularly important, said Reed, because silicon optical modulators use carriers to alter refractive index, and to shift carriers at GHz the modulator has to be sub-micron - smaller than the core of an optical fibre - which is where the couplers come in.

The aim is generally to improve the technology of silicon photonics, and specifically to make a transmitter and a receiver that are compatible with microprocessor CMOS.

The consortium...
 

PS3 Proof-Of-Concept Buffer Overflow video available

100°
378w ago - jumbohype has shared a video in the thread linked above of what he labels a PS3 "POC Buffer Overflow".

He has been speaking a bit with CJPC on iRC today regarding a test file so hopefully this will lead somewhere... only time will tell.




 

Report highlights blog censorship

50°
380w ago - Bloggers are now finding themselves prey to censorship from repressive governments as much as journalists in traditional media, a report says.

Reporters Without Borders' annual study of press freedom says China is one of the worst offenders, having imprisoned 50 people for postings on the internet.

The report says governments realise the internet is now a key tool in promoting democracy and are moving to curb it.

Eritrea was ranked bottom on overall press freedom by the pressure group.
 

Internet names for Asia launched

50°
381w ago - The .asia regional internet domain has officially opened for business, with big firms expected to grab addresses.

Governments and companies can now register interest in specific domain names, such as www.namehere.asia.

Companies will be able to register domains for which they own a trademark and governments will get a chance to earmark those on a reserved list.
 

PSP Recovery LE for 3.71 M33 v2 out!

50°
382w ago - Ketchup has updated to Recovery LE, which is a VSH plug-in allowing users to access the recovery menu options on 3.71 M33 via the PSP XMB.

Download: PSP Recovery LE for 3.71 M33 v2

Changelog:

* 3.71 M33 v2 support (it should work on 3.71 M33 v1, but i advise you to use v2)
* Brightness is saved, so when you shut down the PSP, when you put it on, it will put the same brightness
* Autodetection of PSP type:
- PSP Slim
- PSP fat with kernel 1.5
- PSP fat without kernel 1.5
If kernel 1.5 is detected, you can change on the fly the kernel from 1.5 & 3.71, and you can access to GAME150.txt plugin.
* (Fat only) Pandora menu added under Extends (allow you to convert your battery to Normal / autoboot / pandora)
Warning : DO NOT USE SLIM BATTERY (that's why the Pandora Menu will only shows up on a Fat PSP)
* Recovery config change
* bug fix : CPU speed on screen wasn't good; it should be correct
* (PSP Slim) since Dark_AleX's 3.71 M33 v2, DA has added charge via USB, so you can Enable/Disable it under Menu Advanced. However, it is not On the fly, so you need to reboot so the change can be set.
 
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