From one totalitarianism to the next

Today the infamous British historian David Irving was sentenced to three years prison in Austria for the crime of holocaust denial. While I don’t in any way lend support to Irving’s views I’m shocked that in a democratic Western nation it still possible to be jailed for thought crime. On one hand the lawmakers of […]

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Introducing BrisScience!

A friend of mine, Jennifer Dodd, from the Physics Department, has just launched BrisScience, a free public lecture series on science, society and technology. The talks, based in Brisbane, feature prominent scientists from diverse fields. If you’re in Brisbane, I strongly encourage you to come along and check these talks out. They are aimed at […]

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New paper: Error models for mode-mismatch in linear optics quantum computing

I’ve just submitted my latest paper with Tim Ralph to Physical Review A, entitled Error models for mode-mismatch in linear optics quantum computing. Previously I’ve done a lot of work into the effects of mode-mismatch in linear optics quantum computing (LOQC) (see previous physics posts for explanations of both these terms). This paper focusses on […]

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Travelling in New Zealand

I just returned from three weeks in New Zealand. The first week was spent at the ACOLS’05 conference in Rotorua. Rotorua is in a highly geothermally active area. In the middle of the city is a geothermal park featuring boiling mud, springs and steam vents. Mt. Ruapehu Following the conference I headed of to Whakapappa […]

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The life and times of Van Tuong Nguyen

As Australian readers will be quite well aware, for the last couple of weeks the headlines every day of every major newspaper have been concerned with the plight of Van Tuong Nguyen. Nguyen is an Australian who was convicted of drug trafficking in Singapore, after attempting to smuggle several hundred grams of Heroin on a […]

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New paper: Practical limitations in optical entanglement purification

In this paper (joint work will Tim Ralph and Bill Munro) we examine a recent proposal for entanglement purification which may play an important role in upcoming quantum information processing applications. Like most proposals of this nature, the original analysis was performed in a highly idealized manner. Here we follow up on this proposal and […]

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Holographic storage in 2006?

For many years now there has been speculation about the possibility of holographic computer storage, which would potentially offer storage capacities incredible by today’s standards. Now it seems that finally such storage might be just around the corner. According to The Register, Maxell, using technologies from InPhase Technologies, is planning on making a holographic storage […]

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The Nobel and the Ig Nobel

Last week at our weekly Physics Colloquium seminar here at the University of Queensland, we were fortunate enough to have a presentation by the winner of this year’s Ig Nobel Prize in Physics, our very own Prof. John Mainstone. For those not familiar with the Ig Nobel prize, as you might have guessed it is […]

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Rohde Blog hits the press!

Following a telephone interview with independent Canadian journalist David Stonehouse, the Rohde Blog today made the Sydney Morning Herald and The Age in an article entitled “Spy versus Spy”.

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New paper: Modeling photo-detectors in quantum optics

Photo-detectors are devices which detect individual photons, or particles of light. They play a central role in any sort of quantum optics experiment, where ultimately we rely on photo-detection to perform measurements. They also play a fundamental role in linear optics quantum computing, my area of research. Theoreticians typically treat photo-detectors in a highly idealized […]

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