photon articles, videos, photos and opinions

Sort by Relevance | Date | Popularity

Quantum crypto detectors cracked by researchers

...banks and defence agencies. The researchers said they had remotely controlled the photon detectors used in commercially available photodiode quantum cryptography systems. This allowed them... Read more

1 September, 2010 by Tom Espiner

Researchers develop laser using a living cell

...is trained on the gain medium, its atoms become excited and release photons. As the photons ricochet between the mirrors, passing through the gain medium... Read more

13 June, 2011 by Laura Shin

Absorbing physics reverses laser

...researchers' CPA is a silicon slice, around 110μm thick, which completely absorbs photons in a coherent stream — this is the precise reverse of what lasers... Read more

18 February, 2011 by David Meyer

Entangled LED shines light on quantum computing

...and Toshiba Research Europe have produced a new way to produce entangled photons, a key technique for quantum encryption and computing. The electronic device, called... Read more

4 June, 2010 by Rupert Goodwins

New photon qubit generator 1000x faster than rivals

Scientists in the US have demonstrated a new technique for generating photons for use in optical quantum information processing: using a laser to excite... Read more

19 April, 2012

Researchers report record eight entangled photons

This week saw news that Chinese scientists had entangled eight photons, breaking the previous record of six. This is not four entangled pairs... Read more

3 June, 2011

Scientists blend frequencies in crystal photon cocktail

...a technique scientists have developed for gradually shifting the frequency of a photon, originally published in Physical Review, Letters. A photon is a discrete packet... Read more

28 August, 2011

Slow light makes photons for faster quantum comms

...slowing the light down, the scientists make it possible to generate individual photons in a much smaller device. The researchers at the Australian CUDOS program... Read more

27 April, 2011

Quantum switch keeps photons tangled in fibre

...a quantum internet. The all-optical switch is capable of routing entangled photons along standard, telecom grade fibre-optic cables, without the entanglement breaking down... Read more

14 March, 2011

Two-photon quantum walk puts real quantum computers within reach

...a new photonic chip capable of performing a "quantum walk" with two photons. Lead researcher Professor Jeremy O’Brien, Director of the Centre for Quantum... Read more

20 September, 2010
Image Synthesis Using Adjoint <endeca_term>Photons</endeca_term>

Image Synthesis Using Adjoint Photons

The most straightforward image synthesis algorithm is to follow photon-like particles from luminaires through the environment. These particles scatter or are... Read more

1 January, 2011
Generalized Maximum-Likelihood Sequence Detection for <endeca_term>Photon</endeca_term>-Counting Free Space Optical Systems

Generalized Maximum-Likelihood Sequence Detection for Photon-Counting Free Space Optical Systems

The authors investigate detection methods for On-Off Keying (OOK) photon-counting Free Space Optical (FSO) systems in the presence of turbulence-induced... Read more

1 December, 2010
<endeca_term>Photon</endeca_term> 1.0

Photon 1.0

...Requires a Facebook account ***Photon is a simple lightweight photo sharing app designed to do one thing... Read more

16 May, 2012
<endeca_term>Photon</endeca_term> Pro 1.0

Photon Pro 1.0

...Requires a Facebook account *** Photon is a simple lightweight photo sharing app designed to do one thing... Read more

16 May, 2012
<endeca_term>Photon</endeca_term> Flash Player Browser for iPhone 1.8

Photon Flash Player Browser for iPhone 1.8

...Photon browser is a powerful and versatile Safari alternative that excels in its... Read more

8 April, 2012

Get ZDNet UK's daily newsletter

Enter your email address to sign up

ZDNet UK Live

SoapyTablet

'Cut Price' Data Roaming? The price has been cut, but it is certainly not 'cut price' in the sense of the phrase, and nowhere near local EU data...

38 minutes ago by SoapyTablet on Cut-price data roaming gets all-clear for July
apexwm

BrownieBoy: "Such crashes are normally down to the OS and/or a rogue application, which could be fixed by re-imaging. Everybody knows how Windows...

1 hour ago by apexwm on Using Windows XP is a waste of money, says IDC
Thomas Gellhaus

I've just started using it too, and like you I feel that Fedora is a fine GNOME 3 showcase distribution. I am torn, though, because I checked out...

1 hour ago by Thomas Gellhaus via Facebook on Fedora 17 - The "Beefy Miracle" Arrives
pjc158

Why is it that Newzealand has the guts to stand up to the USA and ask to see the evidence and we don't!

2 hours ago by pjc158 on Judge orders US to share MegaUpload evidence
Dean Talboys

What a farce! Hopefully the European court will see where this is leading.

4 hours ago by Dean Talboys via Facebook on Assange loses extradition battle in Supreme Court
SoapyTablet

Wouldn't surprise me if Samsung actually really had problems producing the white model (as Apple did - it would make more sense) and this non-story...

5 hours ago by SoapyTablet on Samsung Galaxy 'S3' delayed by special paint
Lonnie

those conformation letters are hard to figure out what is which letters it is a pain in the back side. Please make it more Ledge-able being better...

8 hours ago by Lonnie on Screenshots: Photoshop CS6 Beta
BrownieBoy

"cites" even. Ouch!

15 hours ago by BrownieBoy on Using Windows XP is a waste of money, says IDC
Horace Ontalhold

...... and PDP11s too

15 hours ago by Horace Ontalhold on Fusion-io lays minefield with a billion IOPS
BrownieBoy

I had a quick skim through the PDF. It seems to be that many of these so-called cost savings would be down to a hardware refresh. Although...

17 hours ago by BrownieBoy on Using Windows XP is a waste of money, says IDC
bobandroid

496,999 BT Fon Hotspots lovingly situated in your next door neighbours garden, no matter how you dress that up its still a pup... Not where I need...

19 hours ago by bobandroid on London Olympics: BT needs 25,000 more Wi-Fi hotspots
apexwm

Jack : I was hoping you could provide us a summary since you are familiar with this report. I am not yet sure how much of my time I'd like to...

20 hours ago by apexwm on Using Windows XP is a waste of money, says IDC
Smilig Eddie

2 – 4 more weeks of waiting: how many buyers are going to decide instead to see what the iPhone 5 offers? Consumer trust in the brand has also...

20 hours ago by Smilig Eddie on Samsung Galaxy 'S3' delayed by special paint
SRist

So it looks like this was a complete red herring - Adobe are allowing upgrades from Photoshop CS3, CS4 and CS5 at the same price. When did this...

21 hours ago by SRist on Photoshop users attack Adobe upgrade policy change
Jack Schofield

@apexwm Have you considered either (a) reading the story above or (b) reading the PDF? There are answers in both.

23 hours ago by Jack Schofield on Using Windows XP is a waste of money, says IDC
apexwm

I would love to hear why Microsoft believes that "upgrading from Windows XP to Windows 7 pays for itself in a year, in increased productivity and...

24 hours ago by apexwm on Using Windows XP is a waste of money, says IDC
debsmk

I have just changed mine to white they said 3 to 5 days

1 day ago by debsmk on Samsung Galaxy 'S3' delayed by special paint
Atangana

I would like a job for me and do good to their tackiness vellent my help I will do my best to help you mercie for all

1 day ago by Atangana on UK's 15-year-old World Excel champion offered £100k job
BrownieBoy

Well done to IDC for producing a report that says using XP is a waste of money. Only 11 years too late with it is all....

1 day ago by BrownieBoy on Using Windows XP is a waste of money, says IDC
Jack Schofield

@Burn-IT ...which doesn't mean it isn't true ;-) I'll be interested if you can find any properly-researched, independent data from any of the...

1 day ago by Jack Schofield on Using Windows XP is a waste of money, says IDC