Heroes of Might and Magic
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Computing whether I am a threat or not. Taken at the Deer Flat National Wildlife Refuge here in Idaho.
Research from QphoX, Rigetti, and Qblox Demonstrating Optical Readout Technique for Superconducting Qubits Published in Nature Physics
GlobeNewswire
DELFT, The Netherlands and Berkeley, Calif., Feb. 11, 2025 (GLOBE NEWSWIRE) -- QphoX B.V., a Dutch quantum technology startup that is developing leading frequency conversion systems for quantum applications, Rigetti Computing, Inc. (RGTI.NaE) , a pioneer in full-stack quantum-classical computing, and Qblox, a leading innovator in quantum control stack development, today announced that their joint research demonstrating the ability to readout superconducting qubits with an optical transducer was published in Nature Physics.
Quantum computing has the potential to drive transformative breakthroughs in fields such as advanced material design, artificial intelligence, and drug discovery. Of the quantum computing modalities, superconducting qubits are a leading platform towards realizing a practical quantum computer given their fast gate speeds and ability to leverage existing semiconductor industry manufacturing techniques. However, fault-tolerant quantum computing will likely require 10,000 to a million physical qubits. The sheer amount of wiring, amplifiers and microwave components required to operate such large numbers of qubits far exceeds the capacity of modern-day dilution refrigerators, a core component of a superconducting quantum computing system, in terms of both space and passive heat load.
A potential solution to this problem may be to replace coaxial cables and other cryogenic components with optical fibers, which have a considerably smaller footprint and negligible thermal conductivity. The challenge lies in converting the microwave signals used to control qubits into infrared light that can be transmitted through fiber. This is where microwave-to-optical transduction comes into play, a field dedicated to the coherent conversion of microwave photons to optical photons. QphoX has developed transducers with piezo-optomechanical technology that are capable of performing this conversion, forming an interface between superconducting qubits and fiber-optics.
To demonstrate the potential of this technology, QphoX, Rigetti and Qblox connected a transducer to a superconducting qubit, with the goal of measuring its state using light transmitted through an optical fiber. The results of this collaborative effort have been published in Nature Physics. Remarkably, it was discovered that not only is the transducer capable of converting the signal that reads out the qubit, but that the qubit can also be sufficiently protected from decoherence introduced by thermal noise or stray optical photons from the transducer during operation.
"Microwave-to-optics transduction is a rapidly emerging technology with far-reaching implications for quantum computing. Our work demonstrates that transducers are now ready to interface with superconducting qubit technology. This is an exciting and crucial demonstration, with the potential for this technology being far reaching and potentially transformative for the development of quantum computers,” says Dr. Thierry van Thiel, lead author of the work and Lead Quantum Engineer at QphoX.
“Developing more efficient ways to design our systems is key as we work towards fault tolerance. This innovative, scalable approach to qubit signal processing is the result of our strong partnerships with QphoX and Qblox and showcases the value of having a modular technology stack. By allowing our partners to integrate their technology with ours, we are able to discover creative ways to solve long-standing engineering challenges,” says Dr. Subodh Kulkarni, Rigetti CEO.
“Realizing industrial-scale quantum computers comes with solving several critical bottlenecks. Many of these lie in the scalability of the readout and control of qubits. As Qblox is entirely focused on exactly this theme, we are proud to be part of this pivotal demonstration that shows that QphoX microwave-to-optical transducers are a solid route to scalable quantum computing. We look forward to the next steps with Rigetti and QphoX to scale up this technology,” says Dr. Niels Bultink, Qblox CEO.
About QphoX
QphoX is the leading developer of quantum transduction systems that enable quantum computers to network over optical frequencies. Leveraging decades of progress in photonic, MEMS and superconducting device nanofabrication, their single-photon interfaces bridge the gap between microwave, optical and telecom frequencies to provide essential quantum links between computation, state storage and networking. QphoX is based in Delft, the Netherlands. See www.qphox.eu/ for more information.
About Rigetti
Rigetti is a pioneer in full-stack quantum computing. The Company has operated quantum computers over the cloud since 2017 and serves global enterprise, government, and research clients through its Rigetti Quantum Cloud Services platform. In 2021, Rigetti began selling on-premises quantum computing systems with qubit counts between 24 and 84 qubits, supporting national laboratories and quantum computing centers. Rigetti’s 9-qubit Novera™ QPU was introduced in 2023 supporting a broader R&D community with a high-performance, on-premises QPU designed to plug into a customer’s existing cryogenic and control systems. The Company’s proprietary quantum-classical infrastructure provides high-performance integration with public and private clouds for practical quantum computing. Rigetti has developed the industry’s first multi-chip quantum processor for scalable quantum computing systems. The Company designs and manufactures its chips in-house at Fab-1, the industry’s first dedicated and integrated quantum device manufacturing facility. Learn more at www.rigetti.com/.
About Qblox
Qblox is a leading provider of scalable and modular qubit control stacks. Qblox operates at the frontier of the quantum revolution in supporting academic and industrial labs worldwide. The Qblox control stack, known as the Cluster, combines key technologies for qubit control and readout and supports a wide variety of qubit technologies. Qblox has grown to 130+ employees and continues to innovate to enable the quantum industry. Learn more at www.qblox.com/.
This is the hardware side of the NAS solution I was putting together before I came down with COVID. Will have that working shortly. This little computer compared with my very first PC here.
Shot with Sony 24-105mm f/2.8 macro lens on Sony a7r iii.
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Join new astronavigation programm now! Become a member of our computing team! Use your mind to lay a way to the stars! Note: all messages about brain injures and mental disorders, caused by collective mind computing, are totally fake.
That is some high tech right there.
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See detailed setup info and learn more about this image at the source.
Source: photos.jdhancock.com/photo/2014-02-09-023953-cloud-comput...
We use this machine at our research center to train deep neural networks and for other compute-intensive tasks.
I made this picture for the Inria contest on "Computing: past, present, and future". The abacus is, to me, the birth of computing.
I borrowed a camera with a very fast lens, and went to the server room of our research center, where I played finding a spot for the abacus in the middle of the computing equipment. A large numerical aperture gave me a short depth of field, turning the lights in a nice bokeh.
I did fairly little post-processing, using darktable as always. I used a local contrast filter on the abacus itself, and pushed the colors in the top right of the photo toward green.
..in west of Ireland. Old Head Beach, located along the County Mayo coastline. This popular beach is located 16 kilometers(10 miles) west of Westport town.
Taken from Noonamah area at about 0300hrs today. Clouds backlit by lightning which was probably about 50Km east of Acacia Hills.
Petri Computor 35, with CC Petri 2.8/40 lens.
Compact camera, produced from 1970 until 1974. Clearly inspired by the Konica C35, so it has the programmed shutter and rangefinder focussing, but it differs in details. The exposure metering in not controlled by a needle displayed in the viewfinder, but by two lights (green/orange) for acceptable or risky shutter speeds. They are visible on top and in the viewer.
The film speed is set with a ring around the lens and not with a fiddly ring inside the filter thread. As the camera has no dial for exposure compensation, you can manipulate the exposure very quickly here.
I have an iMoan.
……An iWorry to be more accurate. I have it playing all day every day in the forefront of my mind. I have ‘most played’ lists and ‘recently added’. I scroll through all my favourite worries and every so often I even play worries from someone else’s favourite playlist. I try not to save those to my iMoan as there isn’t enough storage left. At night it always plays on shuffle, just when I am drifting off to the familiar twangings in my mind of a familiar anxiety my iMoan will switch randomly to a totally different worry, one that perhaps I haven’t played for a while and I will experience that immediate sickening hot flush and stomach tugging dread. I will feel my face flush crimson and my armpits prickle whilst my poor blood rushes around my body wondering what the emergency is and what organ needs it most.
I sit up in bed, which is difficult in itself to do when I lie predominantly on my tummy; Imagine an exorcist type gyration as I realise I must be sitting up straight, staring pale faced, and blinking into nothingness in order to best address whatever colossal woe my brain has trawled out of the archives. In the end I can usually trump my brain into submission with one bigger worry after another until it simply can’t compute and I end up drifting off to sleep wondering who I would save if I saw a kitten and a little old lady drowning and could only save one.
So how does one go about combating one’s constantly regenerating worries?
They always tell you to write a list of everything that is troubling you down, that to get it out of your head and on paper will relieve some of the strain of remembering. Not so. I wake up in the middle of the night terrified that I have missed certain worries off the list. I then have to feel around the side of my bed in gummed-together-eyed panic trying to find a pen and THE LIST to write down my latest anxiety, ‘Why have they taken all of the magazines out of doctors waiting rooms? Have they discovered that this is how swine flu is being spread, through the thumbing of OK magazine?’ phew, lucky I got that one off my chest.
I have written out so many lists, so many plans of action, printed out so many receipts and letters and documents that represent miniature battles that I am having with various establishments that I now constantly carry with me a ‘bag of woes’. Piles and piles of photocopied pieces of paper with dates and names of random people who I have spoken to and scolded and threatened with sending more photocopied bits of paper to, or even going above their heads and sending said bits of paper to people in the ‘complaints’ department of the company (probably a desk just 3 ft away) who I am told ‘don’t take incoming calls or mail and who also don’t speak to customers, or deal with complaints.’ I am reminded of the woman who I once thought batty who staggered around the neighbourhood with carrier bags stuffed full of papers and documents; campaigns against this, protests against that and suddenly all becomes clear, she wasn’t batty, she was a worrier!
Worry beads have in theory always appealed to me, the idea of being able to hold a physical representation of your woes, to finger each one in turn and then cast it aside to move onto the next sounds as though you might be solving all the problems as you go. But unless you can write on said beads the proposed resolution to each problem each new bead is going to come back round on the string and you will have forgotten what worries you have fingered to death and what you haven’t and suddenly you have more beads than worries and have to make up some more problems to get yourself back to the beginning and then you can’t remember what you have even covered so you have to go through everything all over again. Perpetuators of the anxiety!!!
Why do our worries have to come out in physical ways? You need only look at my hands to see what state of mind I am in. If the sides of my thumbs look as though I have been thrusting them into a blunt ham slicer then I am having a bad week. I nibble and tug at the skin, pushing my luck until one chew too far and I have ripped a young and steadfastly rooted sliver of flesh out of its moorings so that it can flap and flail and get caught on everything and have bits of fluff clinging to its craggy, blood matted edge.
It is as though the sheer frustration of not being able to solve my problems on my own makes me turn on myself, I absentmindedly gouge and piggle and provoke until I’m stinging and raw and I feel like one of those parrots that spends all day plucking its own feathers out. Maybe it’s a deficiency in me; maybe I need to eat more cuttlefish.
Man, I thought this was the coolest thing ever back in the day! So much so that I've never been able to part with it. It's been sitting in my junk drawer for so many years. I was happily surprised that the two AAA batteries had not corroded and also that I found two charged up ones to replace them with. And the thing fired right up!
The Palm IIIxe was introduced in February 2000 at a cost of US$249. If you care to read a bit about the Palm IIIxe click here.
Today's shot is for The Hereios' theme, computers.
88/365
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All of my vintage computing photos can be seen here
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Thanks,
SA_Steve
P.S. Also check out my fast food ads from the seventies, targeting African American Consumers