The Daily Qubit

👩‍💻 There's a new girl in town -- Ava is here to challenge giants. Plus, the tiniest quantum light detector, and bosonic circuits.

Welcome to the Quantum Realm. 

Enjoy today’s breakdown of news, research, events & jobs within quantum.

I love to hear from you! Send me a message at [email protected] for musings, for fun, or for insight if it so appeals to you.

IN TODAY’S ISSUE:

  • Fermioniq announces its Ava quantum emulator for scalable emulation and advanced noise simulation

  • University of Bristol's miniature quantum light detector is an advancement in integrating quantum detectors onto silicon chips

  • New theoretical foundation for universal computation using bosonic circuits through the integration of Gottesman-Kitaev-Preskill states and Gaussian operations

  • Plus, University of Saskatchewan and PINQ² partnership, ISC 2024 quantum panel explored current-day and future status of quantum computing, a second House of Quantum in Delft to support additional quantum collaborations as well as jobs

Check out NEW POLLS!

BRIEF BYTES

NEWS FOR THOSE IN A HURRY

TOP HEADLINES IN NEWS & RESEARCH

NEWS

Tags: SOFTWARE

WHAT: 

  • Ava is a cutting-edge quantum emulator designed by Fermioniq to support the needs of both application and hardware developers in the quantum computing field.

  • It enables the design, benchmarking, and testing of quantum algorithms at scale without escalating costs.

  • Ava offers a unique blend of scalable emulation capabilities, including full-state emulation for fewer qubits and tensor network emulation for extensive qubit systems.

DIFFERENTIATION:

  • Ava extends beyond basic quantum emulation by integrating state-of-the-art tensor network techniques and proprietary technology to handle simulations of more than 34 qubits efficiently.

  • It features advanced customizable noise models to simulate specific quantum computing errors like cross-talk and readout errors, which are not as extensively supported in Cirq and Qiskit.

  • Ava supports intermediate measurements and classical control within simulations, allowing the ability to optimize error correction protocols. This is a layer of complexity not typically found in other platforms.

KEY FEATURES:

Scalable emulation: Fermioniq's tensor network technology can scale simulations without a proportional increase in cost.

Advanced Noise Simulation: Highly customizable models to simulate real-world quantum computing errors.

Versatility in Quantum States: Supports tensor network emulation modes on hardware ranging from CPUs to GPUs.

Integration with Existing Tools: Seamless compatibility with popular quantum computing frameworks like Cirq and Qiskit.

Flexible and Accessible: Offers cloud access through a lightweight Python client, with various plans tailored to different user needs.

Online Training for Variational Circuits: Supports server-side training for optimization of variational algorithms like VQE, QAOA, and QML.

Custom Protocol Support: Ability to simulate complex quantum operations including qudits and leakage.

Comprehensive Documentation and Support: Detailed guides, code examples, and an API reference to help users integrate Ava into their workflows smoothly.

NEWS

Tags: HARDWARE SILICON-BASED

WHAT HAPPENED: 

  • Akin to the historic miniaturization of transistors in the 1960s, researchers at the University of Bristol have successfully integrated an extremely small quantum light detector onto a silicon chip.

  • The team utilized standard and commercially available fabrication techniques to create a bi-CMOS electronic photonic integrated circuit quantum light detector. This approach not only ensures compatibility with existing technology infrastructures but also accelerates the potential integration of these detectors into broader applications such as quantum computing, sensing, and communications.

WHY IS THIS IMPORTANT:

  • The integrated detector is not only compact, measuring just 80µm by 220µm, but also demonstrates speeds increased tenfold and a size reduction by a factor of 50 compared to previous models.

  • Despite its reduced size and increased speed, the detector maintains its critical sensitivity to quantum noise, which is vital for accurately measuring quantum states and enabling high-speed quantum communications.

  • This ability to produce high-performance quantum hardware on a scalable level is a key requirement for practical deployment of quantum computing and optical quantum communications.

RESEARCH

Tags: BOSONS

OVERVIEW OF SUFFICIENT CONDITION FOR UNIVERSAL QUANTUM COMPUTATION USING BOSONIC CIRCUITS

BRIEF BYTE: A theoretical foundation for universal quantum computation using bosonic circuits through the integration of Gottesman-Kitaev-Preskill states and Gaussian operations is proposed.

WHY: 

  • This study is applicable to advancing quantum computing using continuous-variable systems, specifically in addressing the challenge of defining sufficient conditions for universal quantum computation with bosonic circuits. It provides a theoretical framework that assists in understanding quantum computational systems that utilize continuous variables.

HOW: 

  • The researchers developed a method using Gottesman-Kitaev-Preskill states, Gaussian operations, and homodyne measurements. They introduced a general framework to map a continuous-variable state into a qubit state, integrating existing maps within this new framework, and established a set of operations deemed simulatable.

RESULTS: 

  • The study successfully formulated a sufficient condition for achieving universal quantum computation in CV systems. By evaluating a variety of states like Gaussian states, GKP states, and cat states, the research outlines how these can be considered as resources within this framework. The new mapping method shows how different states exceed the resourcefulness of Gaussian states.

  • This research sets a foundational approach for evaluating and utilizing quantum states as resources, potentially influencing future designs of quantum computers and facilitating the integration of quantum technologies into practical applications.

Source: Calcluth, Cameron and Reichel, Nicolas and Ferraro, Alessandro and Ferrini, Giulia. Sufficient Condition for Universal Quantum Computation Using Bosonic Circuits. PRX Quantum. (2024). https://link.aps.org/doi/10.1103/PRXQuantum.5.020337

EVENTS

JOBS POSTED WITHIN LAST 24 HOURS

UNTIL TOMORROW.

SUPPORT SCIENCE

Waking up before the world to dive into the quantum realm isn't just our job—it's our calling. And we're dreaming big with exclusive content for our community. If our work lights up your day, consider showing some love. Your support unlocks worlds—seen and unseen.

How many qubits was today's newsletter?

Login or Subscribe to participate in polls.

How much information do you want?

Did you enjoy today's large selection of news and research? Or, do you prefer a shorter newsletter?

Login or Subscribe to participate in polls.

Interested in collaboration or promoting your company, product, job, or event to the quantum computing community? Reach out to us at [email protected]