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Arkeon \u00e4r ett nytt deeptech-bolag i Chalmers Ventures portf\u00f6lj. F\u00f6retaget har utvecklat en metod f\u00f6r att i efterhand finjustera frekvensen hos qubitar p\u00e5 kvantchip. D\u00e4rmed l\u00f6ser man tv\u00e5 av de st\u00f6rsta utmaningarna f\u00f6r industriell tillverkning av kvantdatorer: m\u00f6jligheten att skala upp antalet qubitar per chip och att undvika kassation av chip som annars hade blivit obrukbara.<\/strong><\/p>\n Framtidens marknad f\u00f6r chip till kvantdatorer kommer vara enorm. Men \u00e4n finns ingen storskalig produktion av kvantchip i v\u00e4rlden. Ett hinder f\u00f6r det \u00e4r problemet med s\u00e5 kallade frekvenskollisioner och s\u00e5 kallad crosstalk. <\/p>\n F\u00f6renklat kan det liknas vid att st\u00e4mma ett str\u00e4nginstrument: varje qubit p\u00e5 chipet motsvarar en str\u00e4ng som m\u00e5ste tr\u00e4ffa sin exakta ton. P\u00e5 en gitarr med sex str\u00e4ngar \u00e4r det hanterbart, men n\u00e4r antalet qubitar v\u00e4xer till hundratals eller tusentals blir det snarare som att st\u00e4mma ett instrument med hundratusentals str\u00e4ngar, en enda falsk ton f\u00f6rst\u00f6r hela ackordet. Utan ett s\u00e4tt att finjustera efter produktionen riskerar hela chip att g\u00e5 till spillo.<\/p>\n -Problemet idag \u00e4r att det finns stora tillverkningsos\u00e4kerheter n\u00e4r man ska s\u00e4tta qubitens frekvens. N\u00e4r man har flera qubitar b\u00f6rjar frekvenser \u00f6verlappa varandra. Enkelt uttryckt kan man s\u00e4ga att det blir en frekvenskollision. Om qubitarna ligger f\u00f6r n\u00e4ra varandra i frekvens \u00f6verlappar de varandra och d\u00e5 fungerar ingenting till slut, s\u00e4ger Peter H\u00f6rstedt, VD p\u00e5 Arkeon<\/strong>.<\/p>\n Chalmers Ventures har en v\u00e4xande skara startups sprungna ur kvantdatorforskning. I Arkeon ser Chalmers Ventures en teknologi som har mycket stor tillv\u00e4xtpotential.<\/p>\n -Arkeons teknologi \u00e4r en plattformsteknologi som helt enkelt f\u00f6rb\u00e4ttrar produktionsprecisionen hos superledande kvantdatorer och fundamentalt \u00f6kar dess skalbarhet och anv\u00e4ndbarhet. Man l\u00f6ser det prestandaf\u00f6rlustproblem som alla kvantdatorutvecklare just nu brottas med, s\u00e4ger David Storek, Venture Creation Manager, Pre-seed Investment Director, p\u00e5 Chalmers Ventures<\/strong>.<\/p>\n -Som investerare hos Chalmers Ventures tycker jag att vi har haft tur att f\u00e5 vara delaktiga i en s\u00e5 fundamental teknikf\u00f6rb\u00e4ttring och kommer vidare st\u00f6dja bolaget p\u00e5 alla s\u00e4tt fram\u00f6ver.<\/p>\n Det Arkeon g\u00f6r kan liknas vid att ge kvantchipet sina st\u00e4mskruvar f\u00f6rst efter att gitarren \u00e4r byggd. Med deras metod \u2013 trimning \u2013 kan varje \u201cstr\u00e4ng\u201d (qubit) justeras tills den har r\u00e4tt ton. Tidigare l\u00f6sningar f\u00f6rs\u00f6kte st\u00e4mma str\u00e4ngarna redan innan instrumentet byggdes f\u00e4rdigt, vilket ofta ledde till ineffektivitet och ett ost\u00e4mt instrument. Genom att trimma i efterhand kan hela instrumentet \u2013 chipet \u2013 komma i harmoni, med renare ackord och betydligt h\u00f6gre precision.<\/p>\n Metoden inneb\u00e4r att Arkeon s\u00e4nder elektriska pulser genom str\u00e4ngarna (qubitarnas Josephson-\u00f6verg\u00e5ngar). Dessa pulser manipulerar resistansen p\u00e5 str\u00e4ngarna som korrelerar till frekvensen.<\/p>\n -N\u00e4r man producerar ett kvantchip idag med tio qubitar, s\u00e5 har du en procentprecision med p\u00e5 fem till tio procent. D\u00e5 g\u00e5r inte chipet att anv\u00e4nda. Idag sl\u00e4nger man chipet och g\u00f6r ett nytt. S\u00e5 vi l\u00f6ser b\u00e5de uppskalningsproblemet och utbytesproblemet, s\u00e4ger Peter H\u00f6rstedt.<\/p>\n Idag har de en aff\u00e4rsmodell som bygger p\u00e5 postorder. Olika lab skickar chip som inte fungerar, Arkeon st\u00e4ller in frekvensen och s\u00e4nder tillbaka. I framtiden ser Peter H\u00f6rstedt att Arkeons metod \u00e4r integrerad i fabrikstillverkning av chip.<\/p>\n -Industrin vill uppn\u00e5 miljoner qubitar under 2030-talet. Det kommer att vara helt om\u00f6jligt att genomf\u00f6ra med de problemen man f\u00e5r idag, genom de h\u00e4r problemen. Det kommer inte g\u00e5 att skala. Vi vill vara med och bygga upp m\u00f6jligheten f\u00f6r s\u00e5dan industriell tillverkning genom att vara sista steget i v\u00e4rdekedjan innan chipet paketeras och levereras. s\u00e4ger Peter H\u00f6rstedt.<\/p>\n I den n\u00e4ra framtiden beh\u00f6ver Arkeon validera tekniken. Bolaget har visat att metoden fungerar p\u00e5 Chalmers. Grunden i f\u00f6retaget \u00e4r forskning som bedrivits inom ramen f\u00f6r det nationella kvantdatorprojektet p\u00e5 Wallenberg Center for Quantum Technology, WACQT, som koordineras fr\u00e5n Chalmers.<\/p>\n -Nu validerar vi att v\u00e5r teknik fungerar p\u00e5 andra typer av qubit-arkitekturer, s\u00e4ger Peter H\u00f6rstedt.<\/p>\n N\u00e4sta steg \u00e4r kommersiellt projekt med en chiptillverkare. <\/p>\n Teamet<\/strong><\/p>\n Kontakt<\/strong><\/p>\n \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ ENGLISH \/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/\/ <\/p>\n Arkeon Solves Key Challenge in Industrial Quantum Chip Manufacturing \u2013 New Chalmers Ventures portfolio company<\/strong><\/p>\n Arkeon is a new company in the Chalmers Ventures portfolio. The company has developed a method to fine-tune the frequency of qubits on quantum chips after production. This innovation addresses two of the biggest challenges in industrial quantum computer manufacturing: scaling up the number of qubits per chip and avoiding the scrapping of chips that would otherwise be unusable.<\/strong><\/p>\n The future market for quantum computer chips is expected to be enormous. However, no large-scale production of quantum chips exists today. One major obstacle is the issue of frequency collisions and crosstalk. Simply put, it\u2019s like tuning a string instrument: each qubit on the chip corresponds to a string that must hit its exact note. With a six-string guitar, this is manageable, but when the number of qubits grows into the hundreds or thousands, it\u2019s more like tuning an instrument with hundreds of thousands of strings, one wrong note ruins the entire chord. Without a way to fine-tune after production, entire chips risk being wasted.<\/p>\n -The problem today is that there are major manufacturing uncertainties when setting the qubit frequency. When you have multiple qubits, their frequencies start to overlap. In simple terms, it becomes a frequency collision. If the qubits are too close in frequency, they interfere with each other and nothing works, says Peter H\u00f6rstedt, CEO of Arkeon<\/strong>.<\/p>\n Chalmers Ventures has a growing number of startups emerging from quantum computing research. In Arkeon, Chalmers Ventures sees a technology with significant growth potential.<\/p>\n -Arkeon\u2019s technology is a platform technology that improves production precision in superconducting quantum computers and fundamentally increases their scalability and usability. It solves the performance loss problem that all quantum computer developers are currently struggling with, says David Storek, Venture Creation Manager and Pre-seed Investment Director at Chalmers Ventures<\/strong>.<\/p>\n -As an investor at Chalmers Ventures, I believe we\u2019ve been fortunate to be part of such a fundamental technological advancement and will continue to support the company in every way moving forward.<\/p>\n What Arkeon does can be likened to giving the quantum chip its tuning pegs after the guitar has been built. With their method\u2014trimming\u2014each \u201cstring\u201d (qubit) can be adjusted until it hits the right note. Previous solutions tried to tune the strings before the instrument was fully built, often resulting in inefficiency and a poorly tuned instrument. By trimming afterward, the entire instrument\u2014the chip\u2014can be brought into harmony, with cleaner chords and significantly higher precision.<\/p>\n The method involves sending electrical pulses through the strings (the qubits\u2019 Josephson junctions). These pulses manipulate the resistance of the strings, which correlates to their frequency.<\/p>\n -When you produce a quantum chip today with ten qubits, you get a frequency precision of only five to ten percent. That makes the chip unusable. Today, chips are discarded and new ones made. So we solve both the scalability problem and the yield problem, says Peter H\u00f6rstedt.<\/p>\n Currently, Arkeon operates with a mail-order business model. Labs send in non-functioning chips, Arkeon adjusts the frequencies, and sends them back. In the future, Peter H\u00f6rstedt envisions Arkeon\u2019s method being integrated into factory chip production.<\/p>\n -The industry aims to reach millions of qubits in the 2030s. That will be impossible with today\u2019s problems. Scaling won\u2019t be feasible. We want to help enable industrial manufacturing by being the final step in the value chain before the chip is packaged and delivered, says Peter H\u00f6rstedt.<\/p>\n In the near future, Arkeon needs to validate the technology. The company has demonstrated that the method works at Chalmers. The foundation of the company is research conducted within the national quantum computer project at the Wallenberg Center for Quantum Technology (WACQT), coordinated from Chalmers.<\/p>\n -We are now validating that our technology works on other types of qubit architectures, says Peter H\u00f6rstedt.<\/p>\n The next step is a commercial project with a chip manufacturer. Contact<\/strong><\/p>\n\n
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The Team<\/strong><\/p>\n\n
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