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Photon Mapping On Programmable Graphics Hardware
White Papers This paper presents a modified photon mapping algorithm capable of running entirely on GPUs. The implementation uses breadth-first photon tracing to distribute photons using the GPU. The photons are stored in a grid-based photon map that is...
[October 5, 2004, 0:00]
Photon Control
Downloads Photon Control generates Web site usage stats designed for marketing and management requirements, enhancing common log analyzers. It extends the likes of Webalizer and AWStats, taking their rich data to produce more focused charts.
[June 17, 2006, 1:31]
Research In Optical Burst Switching Within The E-Photon/ONe Network Of Excellence
White Papers This paper presents a summary of Optical Burst Switching (OBS) research within the VI framework program e-Photon/ONe network of excellence. The paper includes network aspects such as routing techniques, resilience and contention resolution...
[August 4, 2008, 19:08]
Two-Photon Volumetric Optical Disk Storage Systems: Experimental Results And Potentials
White Papers Recent performance in two-photon volumetric data storage is presented. The volume optical storage approach used by Call/Recall relies on recording bits in a volume by using two-photon recording. Recording occurs only within a small volume around...
[August 25, 2007, 1:00]
Design Rules For Quantum Imaging Devices: Experimental Progress Using CMOS Single Photon Detectors
White Papers The authors had earlier introduced a set of quantum-based design rules directed at quantum engineers who design single-photon quantum communications and quantum imaging devices. This paper reports on experimental progress using SPAD (Single Photon...
[January 7, 2007, 0:00]
BodyTechnic: Cancer Treatment Spares Healthy Tissue
News The photon radiosurgery system (PRS) uses an NEC V25+ 16bit CISC microcontroller with an enhanced X86 instruction to control a beam of therapeutic radiation delivered to tumour sites. Compared to the linear accelerator, the photon radiosurgery...
[December 3, 1998, 14:19]
Squeezed-Vacuum Assisted Quantum Teleportation
White Papers We show that the fidelity of teleportation of continuous quantum variables can be improved by conditional photon-number measurement of the entangled state. Further, we propose a teleportation scheme based on photon counting on the output fields of...
[August 14, 2003, 16:19]
Researchers Cut Costs Of Quantum Cryptography
News One of the major costs in quantum cryptography is for photon measurement detectors, which can cost between $5,000 (£2,500) and $20,000 (£10,000), according to Nist. Researchers from the organisation claim they can halve, and even quarter, the...
[June 3, 2008, 15:58]
Rupert Goodwins' Diary
Blog So thanks indeed to Toshiba Research and Cambridge University for coming up with a semiconductor gallium, indium and arsenic quantum dot entangled photon generator. Physicists - especially the supremely patient Dr Andrew Shields, who for the second...
[January 13, 2006, 17:05]
Toshiba Shows Practical Quantum Cryptography
News These photons can be modulated in one of two ways through two different kinds of polarisation, but according to Heisenberg's Uncertainty Principle it is impossible to know both the kind of polarisation and the data represented by the photon.
[December 13, 2004, 17:15]
No, No, No
Talkback If they absorb a photon they will rise to some higher allowed energy level (= a higher "orbit") but they will normally re-emit that energy as another photon later, and fall back to the lower energy level.
[June 2, 2007, 1:37]
Intel: Chips Will Network The World
News You can't do half a photon," Gelsinger noted. Hypothetically, optical communications equipment, which transmits data via photons rather than electrons, may hit a finite shrinkage point because "a photon is only so small.
[March 1, 2002, 10:53]
XRadiance
Downloads XRadiance is 3D rendering software based on the Photon Tracing Algorithm and using the power of the pipeline of your graphic card (GPU), to compute your images. A tree, that describes the current scene, allows the user to edit all parameters like...
[July 6, 2004, 1:01]
What Is 'information'?
Talkback Surely if 'something' travels faster than light, even if it is just one single photon, then that can be used for information?
[August 20, 2007, 11:22]
Synchronization Of Optical Orthogonal Codes In Optical CDMA Systems Via Simple Serial-Search Method
White Papers For our analysis we use advance photon-counting methods and we consider the effect of shot noise and dark current and multi-access interference. This paper analyzes the performance of a simple serial-search algorithm for optical code division...
[July 24, 2004, 3:00]
Steorn's Free Energy Seems Curiously Expensive
Talkback As an American, I'm working up my Photon Patent application right now). Thanks for this, I was caught up by the ad in the Economist and the Steorn web site, but reading your article brought me back to my senses.
[August 25, 2006, 11:43]
A High-Flux Entanglement Source Based On A Doubly Resonant Optical Parametric Amplifier
White Papers When the DRA system was operated at frequency degeneracy, it has been observed that quantum interference from the broadband nonresonant mode pairs, suggesting that these broadband photon pairs were polarization-entangled triplets.
[May 8, 2004, 1:03]
EXtinction
Downloads He must now wipe out all vestiges of the plague with the help of nine weapons including a chaingun, magma cannon, missile launcher, and photon thrower. eXtinction treats gamers with an action-packed arcade experience.
[December 10, 2006, 18:10]
Space Interceptor
Downloads Deploy missiles, photon torpedoes, plasma glob launchers and lasers as you attack enemy fighters, escort your fleet and rescue fallen comrades. Turn Extraterrestrials Extra-Crispy. Remember the Wing Commander series?
[November 21, 2006, 7:16]
'information' Is ...
Talkback Now, you are correct that a single photon can contain 'information', however, we are not too good (yet) at modulating and demodulating quanta. EM Tunneling through a solid block of lead: When this experiment was first shown to the scientific...
[August 20, 2007, 19:51]
