t0.technology
t0.technology builds modular microwave control and readout hardware (the t0.CRS) for superconducting quantum sensors, radio astronomy correlators, and satellite observatories, selling quote-based hardware and custom firmware to research institutions, universities, and government space agencies.
- Company typePrivate
- Founded2021
- HeadquartersMontréal, Canada
- Headcount1–10
- GTM typeB2B
- OfferingHardware or Manufacturing
What t0.technology does
t0.technology (legal entity 13339289 Canada Inc.) is a Montréal-based deep-tech instrumentation company founded in 2021 that designs and builds precision microwave control and readout hardware for superconducting quantum sensors, radio astronomy correlators, and satellite observatories. The company's flagship product, the t0.CRS (Control & Readout System), is a modular platform that scales from a single board to deployments of hundreds of units, offering direct RF synthesis and digitization up to 10 GHz, 2.5 GHz of instantaneous bandwidth, 4,096 multiplexed control/readout channels per board, and a 400 Gbps full-mesh backplane for high-throughput data offload to GPU clusters. The system is complemented by the rfmux firmware (with a permissive Python and C/C++ API, JupyterLab integration, and Active Resonator Feedback capability) and a wideband radio correlation configuration that interfaces with the Kotekan GPU X-Engine.
The company was founded by Dr. Joshua Montgomery, Prof. Matt Dobbs, and Graeme Smecher — researchers directly involved in building the CHIME radio correlator, the South Pole Telescope quantum sensor readout, and the LiteBIRD satellite observatory — giving it deep ties to McGill University and the Canadian Space Agency. Its commercial pipeline is concentrated in flagship public-sector and academic projects, including deployment of CRS hardware and rfmux firmware into the South Pole Telescope 3G+ instrument, adoption as the first-stage digital readout for the CHORD radio observatory, and a direct contract with the Canadian Space Agency for space-qualified signal processing on LiteBIRD. Revenue mechanics combine quote-based hardware sales (standalone boards and 16-board subracks), in-kind hardware contributions to joint research collaborations, and custom firmware development services. The company operates two Canadian laboratories (Montréal HQ and Victoria, BC engineering) and is supported by a 2023 funding round from ACET Capital.
t0.technology firmographics
Firmographics- Name
- t0.technology
- Legal name
- 13339289 Canada Inc
- Website
- https://t0.technology
- Company type
- Private
- Founded year
- 2021
- Operating status
- Operating
- Headcount range
- 1–10 employees
- Short description
- t0.technology builds modular microwave control and readout hardware (the t0.CRS) for superconducting quantum sensors, radio astronomy correlators, and satellite observatories, selling quote-based hardware and custom firmware to research institutions, universities, and government space agencies.
- Ownership category
- akta.pro rank
Where t0.technology is headquartered
LocationHeadquarters
- HQ city
- Montréal
- HQ country
- Canada
- HQ region
- North America
Offices2 records
Markets served
t0.technology business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Technology or R&D, Operations, Supply Chain, Marketing or Sales, Infrastructure
Revenue model
- CRS Hardware Systems: Sale of the CRS (Control & Readout System) hardware boards and subrack assemblies. The system can be purchased as standalone units or integrated 16-board subrack configurations. Pricing is quote-based with no public pricing listed.
- Research Collaboration: The company collaborates with researchers and may provide a subset of hardware as an in-kind contribution to joint research projects, suggesting some revenue comes from research partnerships and grants.
- Custom Firmware Development: Custom firmware development for specific experiment needs, providing specialized software customization services for researchers with unique requirements.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| One time/ perpetual license | Multi-year contract | CRS Board - Standalone unit |
| One time/ perpetual license | Multi-year contract | CRS 16-Board Subrack Assembly |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels6 records
t0.technology product offering
Product offeringCore offering
t0.technology designs, manufactures, and sells the t0.CRS (Control & Readout System), a scalable microwave control and readout platform that scales from a single board to 16-board full-mesh 6U subrack deployments of hundreds of units. The CRS combines direct RF synthesis and digitization up to 10 GHz, FPGA-based signal processing, the proprietary rfmux firmware, and a coupled polyphase filter bank (PFB) architecture to deliver multiplexed control and readout of up to 4,096 independent frequency channels for superconducting sensor, quantum computing, radio astronomy, and space-qualified satellite instrumentation applications.
Product overview
t0.technology offers the t0.CRS (Control & Readout System), a comprehensive microwave readout and control system that scales from single-boards to deployments with hundreds of units. The core CRS product consists of the main control board with direct-sampled RF interfaces (8x ADC at 5 GSPS and 8x DAC at 9.85 GSPS), paired with the CRS Backplane Assembly for 16-board configurations. The system is complemented by the rfmux firmware for microwave control and Active Resonator Feedback, and the Radio Correlator Platform for wideband correlation applications. The software stack includes open-source Python and C++ APIs, JupyterLab integration, and compatibility with third-party tools like hidfmux and Kotekan GPU X-Engine.
Differentiator
Problem solved
Functional benefit
Brands
- CRS (Control & Readout System): The CRS is a microwave control and readout system that scales from single-boards to deployments with hundreds of units, designed for precision electronics for scientific sensors, quantum computing, and satellite instrumentation.
Products and services
- t0.CRS (Control & Readout System) Board Microwave control and readout system engineered for precision and reliability, scales from a single board to deployments of hundreds of units. Supports direct RF synthesis and digitization up to 10 GHz, 2.5 GHz of instantaneous bandwidth, and multiplexed control and readout of 4,096 independent frequency channels using 8x ADC (14-bit, 5 GSPS) and 8x DAC (14-bit, 9.85 GSPS) direct-sampled RF interfaces. Designed for research laboratories, universities, and government agencies building precision electronics for superconducting sensors, quantum computing, and satellite instrumentation.
- CRS 16-Board Subrack Assembly Integrated 16-board 6U subrack providing 400 Gbps full-mesh backplane connectivity with Level 1 intra-segment and Level 2 inter-segment shuffling, integrated clock/sync/IRIG-B, ultra-stable oven-controlled oscillator (OCXO), and air- or water-cooled options powered via 12V AC/DC adapter. Targets large-scale scientific deployments including radio astronomy correlators and superconducting sensor arrays.
- Custom Firmware Development Project-based custom firmware development services providing specialized software customization of the rfmux firmware for researchers with unique experimental requirements. Includes custom feedback modes and algorithm development beyond the standard firmware capabilities.
Quantifiable outcome
- Scales to 100,000+ resonators for mKID applications
- +3 more outcomes
Companies that use t0.technology
Customer profileNamed customers4 records
Segments5 records
Ideal customer profiles4 records
t0.technology technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
AI capability1 record
Feature6 records
t0.technology partnerships and signals
Strategic signalPartnerships
Eight partnerships are on record, tiered core and minor.
- McGill UniversitycoreDeep research partnership with McGill University's physics department. Multiple co-founders (Dr. Joshua Montgomery, Prof. Matt Dobbs, Graeme Smecher) are affiliated with McGill. Dr. Maclean Rouble, Lead Scientist, holds a PhD from McGill. The company participates as co-investigators for fundamental research into superconductivity and radio signal processing. McGill researchers pioneered Active Resonator Feedback (ARC) technique which t0.technology is implementing on CRS hardware.
- South Pole Telescope CollaborationcoreLong-standing partnership with the South Pole Telescope project. The CRS hardware and rfmux firmware are being used for the South Pole Telescope 3G+ instrument. Company founders developed quantum sensor control systems for SPT. The general KIDs control software hidfmux used on SPT is now compatible with CRS.
- Canadian Space Agency (LiteBIRD Canada)coreActive partnership under contract for the Canadian Space Agency's LiteBIRD mission. Dr. Joshua Montgomery serves as project manager for LiteBIRD Canada. The company is developing space-qualified signal processing technology for this satellite observatory.
- CHORD (Canadian Hydrogen Observatory and Radio-transient Detector)corePartnership with CHORD radio observatory project. Prof. Matt Dobbs serves as director for CHORD. The CRS platform is being implemented as the first step of CHORD's digital readout infrastructure. System designed to interface with Kotekan GPU X-Engine being used for CHORD and CHIME.
- University of TorontominorCo-op trainee partnerships with University of Toronto. Student Sofiia Savchyn (Electrical Engineering student) participates in superconducting sensor design and cryogenic hardware integration projects.
- University of VictoriaminorCo-op trainee partnerships with University of Victoria. CTO Graeme Smecher holds a B.A.Sc from Simon Fraser University and lives in Victoria, BC.
- University of British ColumbiaminorStudent partnerships with University of British Columbia. Student Luca Jones (Engineering Physics) works on bootloader firmware development, multi-rate DSP design, and FPGA implementation.
- Concordia UniversityminorStudent partnerships with Concordia University. Student Alexander Parthimos (Mechanical Engineering) works on mechanical design, testing fixtures, and cryostat assembly.
Scale indicators8 records
Recent moves6 records
Expansion highlights6 records
t0.technology competitors and assessment
Company assessmentDirect peers
- Quantum Machines: Israeli vendor of the OPX+ quantum control platform used by superconducting qubit labs globally. Direct competitor in qubit control and readout, with significantly more venture funding and a broader installed base among quantum hardware developers.
- Qblox: Dutch vendor of modular qubit control systems (Cluster, QCM, QRM). Direct competitor for superconducting qubit labs, with overlapping GHz-class performance and a focus on scalable rack-mounted architectures similar in concept to the CRS 16-board subrack.
- Zurich Instruments: Swiss maker of SHF+ superconducting qubit control electronics, lock-in amplifiers, and impedance analyzers. The most direct commercial analog to t0.technology's CRS for quantum and superconducting-sensor readout, serving the same superconducting qubit research customer base.
Broad incumbents
- National Instruments (NI): Modular instrumentation incumbent (PXI, FPGA-based DAQ) widely used in research labs and radio astronomy. Overlaps with CRS at the digitizer/backplane level for wideband correlation and beam-forming applications.
- Rohde & Schwarz: European test and measurement incumbent offering signal generators, spectrum analyzers, and network analyzers with GHz-class performance. Competes with CRS at the high-end RF instrumentation layer for aerospace/defense and research customers.
- Tektronix: Test and measurement incumbent with high-performance oscilloscopes, signal sources, and spectrum analyzers used in RF/microwave research labs. Adjacent at the component-instrument layer to the CRS hardware.
- Keysight Technologies: Large incumbent in electronic test and measurement (signal generators, spectrum analyzers, digitizers) with an explicit quantum solutions portfolio. Competes with CRS at the high-performance signal acquisition/generation layer for both quantum and radio astronomy customers.
Others
- Low Noise Factory: Manufacturer of cryogenic low-noise amplifiers used in superconducting detector and qubit readout chains. Adjacent supplier to t0.technology's customer base (mKIDs, quantum sensors) rather than a direct competitor.
- CASPER (Collaboration for Astronomy Signal Processing): Open-source, academic community-led platform for radio astronomy signal processing (ROACH, SNAP, CASPER toolflow). Indirect competitor and ecosystem partner—CASPER toolchains are listed as a near-term CRS integration, but standalone CASPER hardware remains an alternative path for academic radio observatories.
- Bluefors: Leading supplier of dilution refrigerators used to operate superconducting sensors and qubits. Adjacent ecosystem player—Bluefors systems are the cryogenic hosts in which t0.technology's mKID and qubit readout hardware is typically deployed.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
t0.technology social profiles
Digital presencet0.technology financial estimates
Financial estimateRevenue estimate
Valuation estimate
t0.technology leadership team
Management profileNumber of profiles
Profiles11 records
t0.technology funding detail
Funding detailFunding overview
Funding rounds1 record
Investors1 record
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t0.technology M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about t0.technology
What does t0.technology do?
t0.technology designs, manufactures, and sells the t0.CRS (Control & Readout System), a scalable microwave control and readout platform that scales from a single board to 16-board full-mesh 6U subrack deployments of hundreds of units. The CRS combines direct RF synthesis and digitization up to 10 GHz, FPGA-based signal processing, the proprietary rfmux firmware, and a coupled polyphase filter bank (PFB) architecture to deliver multiplexed control and readout of up to 4,096 independent frequency channels for superconducting sensor, quantum computing, radio astronomy, and space-qualified satellite instrumentation applications.
Is t0.technology a public or private company?
t0.technology is a private company. It is classified as venture growth investor backed and is currently operating.
When was t0.technology founded?
t0.technology was founded in 2021. It employs 1 to 10 people.
Where is t0.technology based?
t0.technology is headquartered in Montréal, Canada, in the North America region.
How does t0.technology make money?
Three revenue lines are on record. CRS Hardware Systems are the primary driver. The others are research Collaboration and custom Firmware Development.
Who are t0.technology's main competitors?
Direct peers on record are Quantum Machines, Qblox and Zurich Instruments. Broad incumbents are National Instruments (NI), Rohde & Schwarz, Tektronix and Keysight Technologies. Others are Low Noise Factory, CASPER (Collaboration for Astronomy Signal Processing) and Bluefors.
Does t0.technology have an API?
Yes. t0.technology provides an open-source rfmux Python and C++ API embedded directly in the CRS hardware. The Python API provides an asynchronous framework for efficiently operating large numbers of CRS boards and includes a data acquisition system for continuously streamed data products. The API is designed to be forked and extended to generate customized algorithms for measurement and data visualization. Each CRS board also hosts a JupyterLab instance customized for rfmux, allowing simple single-board operation through a web application. The CRS hardware and rfmux API is also compatible with the general KIDs control software hidfmux. Developer documentation is at www.t0.technology/en/system-specifications.