# Microsoft Quantum Labs

The Microsoft Quantum Labs are a network of sites which share Microsoft’s goal of developing and building the world’s first general-purpose scalable quantum computer, bringing to bear the best of private and public sector talent, resources, and infrastructure.

## Global collaboration

The work at these Labs spans Microsoft’s full stack approach and involves a global team of physicists, theorists, materials scientists, engineers, developers, and more to deliver ground breaking science and technology.

**Principal:** Charles Marcus, Scientific Director

Microsoft Quantum Lab Copenhagen engages in the control and study of the properties of Majorana fermions, including characterization, fabrication, and test and measurement.

**Principal:** Leo Kouwenhoven, Scientific Director

Microsoft Quantum Lab Delft is pursuing ways to suppress quantum decoherence in contribution to breakthroughs in the realization of a topologically protected qubit.

**Principal: **Pasi Kostamo, Principal Optical Engineer, Microsoft Advanced Optics & Systems

The Microsoft office in Finland contributes fabrication development expertise to the Microsoft Quantum program.

**Principal: **Michael J. Manfra, Scientific Director

Microsoft Quantum Lab Purdue is focused on the study of ultra-pure semiconductors and hybrid systems of semiconductors and superconductors.

**Principals:** Peter Krogstrup, Scientific Director & Ulrich Steegmueller, Senior Director

Microsoft Quantum Lab - Lyngby aims to build the materials for the physical platform for the world's first scalable quantum computer.

**Principal:** Krysta Svore, General Manager

Microsoft Quantum Lab Redmond centers on the Quantum Systems team which works to make quantum computers accessible to developers by creating a software stack.

**Principal: **Chetan Nayak, General Manager

Microsoft Quantum Lab Santa Barbara is directed at the exploration of theoretical physics and numerical simulation as relates to the physical foundations of quantum computing.

**Principal: **David Reilly, Scientific Director

Microsoft Quantum Lab Sydney specializes in developing engineering solutions for reading out and controlling qubits in scaled up architectures.

- Jan. 22, 2020 Conductance-Matrix Symmetries of a Three-Terminal Hybrid Device
- Dec. 18, 2019 Relating Andreev Bound States and Supercurrents in Hybrid Josephson Junctions
- Nov. 26, 2019 Suppressed Charge Dispersion via Resonant Tunneling in a Single-Channel Transmon
- Nov. 26, 2019 Controlled DC Monitoring of a Superconducting Qubit
- Nov. 12, 2019 End-to-end correlated subgap states in hybrid nanowires
- Oct. 29, 2019 Suppressing quasiparticle poisoning with a voltage-controlled filter
- Sept. 25, 2019 Anomalous Metallic Phase in Tunable Destructive Superconductors
- Aug. 26, 2019 Current-phase relations of InAs nanowire Josephson junctions: From interacting to multimode regimes
- Aug. 26, 2019 Selective-area chemical beam epitaxy of in-plane InAs one-dimensional channels grown on InP(001), InP(111)B, and InP(011) surfaces
- July 24, 2019 Fast Charge Sensing of Si/SiGe Quantum Dots via a High-Frequency Accumulation Gate
- July 8, 2019 Detecting parity effect in a superconducting device in the presence of parity switches
- June 25, 2019 Dispersive sensing in hybrid InAs/Al nanowires
- June 5, 2019 Radio-Frequency Methods for Majorana-Based Quantum Devices: Fast Charge Sensing and Phase-Diagram Mapping
- Feb. 20, 2019 In-Plane Magnetoconductance Mapping of InSb Quantum Wells
- Feb. 19, 2019 Interferometry and coherent single-electron transport through hybrid superconductor-semiconductor Coulomb islands
- Feb. 2, 2019 Photon Assisted Tunneling of Zero Modes in a Majorana Wire

- Nov. 15, 2019 Parity transitions in the superconducting ground state of hybrid InSb-Al Couloumb islands
- Nov. 15, 2019 Ballistic InSb nanowires and networks via metal-sown selective area growth
- Nov. 12, 2019 Next steps of quantum transport in Majorana nanowire devices
- Oct. 17, 2019 A gate-tunable, field-compatible fluxonium
- April 19, 2019 Rapid detection of coherent tunneling in an InAs nanowire quantum dot through dispersive gate sensing

- December 10, 2019 Toward durable Al-InSb hybrid heterostructures via epitaxy of 2ML interfacial InAs screening layers
- August 21, 2019 Ballistic superconductivity and tunable π–junctions in InSb quantum wells
- August 15, 2019 Gate-defined quantum point contact in an InAs two-dimensional electron gas
- April 24, 2019 Evidence of topological superconductivity in planar Josephson junctions

- Jan. 10, 2020 Quantum algorithms for quantum chemistry and quantum materials science
- Dec. 12, 2019 Matrix product state algorithms for Gaussian fermionic states
- Dec. 11, 2019 An Exactly Solvable Model for a 4+1D Beyond-Cohomology Symmetry Protected Topological Phase
- Dec. 10, 2019 Energy spectrum and current-phase relation of a nanowire Josephson junction close to the topological transition
- Dec. 6, 2019 Quantum Computing with Octonions
- Dec. 5, 2019 Geometric and Conventional Contribution to the Superfluid Weight in Twisted Bilayer Graphene
- Dec. 2, 2019 Emergent Fermi surface in a triangular-lattice SU(4) quantum antiferromagnet
- Nov. 26, 2019 Controlling the charge dispersion of a nearly-open superconducting island
- Nov. 22, 2019 Suppressed charge dispersion via resonant tunneling in a single-channel transmon
- Nov. 11, 2019 Probing and dressing magnetic impurities in a superconductor
- Nov. 6, 2019 Dephasing and leakage dynamics of noisy Majorana-based qubits: Topological versus Andreev
- Oct. 17, 2019 The Group Structure of Quantum Cellular Automata
- Oct. 17, 2019 Controlled DC monitoring of a superconducting qubit
- Oct. 16, 2019 Spectral response of Josephson junctions with low-energy quasiparticles
- Oct. 15, 2019 On Realizing Modular Data
- Oct. 15, 2019 On Realizing Modular Data
- Sept. 23, 2019 Number conserving analysis of measurement-based braiding with Majorana zero modes
- Sept. 17, 2019 Zero Bias Conductance Peak in Dirac Semimetal-Superconductor Devices
- Sept. 6, 2019 Optimizing Clifford gate generation for measurement-only topological quantum computation with Majorana zero modes
- Aug. 26, 2019 Current-phase relations of InAs nanowire Josephson junctions: From interacting to multimode regimes
- July 30, 2019 Classical and Quantum Algorithms for Tensor Principal Component Analysis
- July 15, 2019 Establishing strongly-coupled 3D AdS quantum gravity with Ising dual using all-genus partition functions
- July 3, 2019 Topologically protected braiding in a single wire using Floquet Majorana mode
- June 13, 2019 Superconducting Correlations Out of Repulsive Interactions on a Fractional Quantum Hall Edge
- June 13, 2019 A unified numerical approach to semiconductor-superconductor heterostructures
- May 16, 2019 Classical and Quantum Bounded Depth Approximation Algorithms
- April 30, 2019 Duality in Quantum Quenches and Classical Approximation Algorithms: Pretty Good or Very Bad
- Feb. 21, 2019 Topology of triple-point metals

## Related blog post

Developing a topological qubit – Microsoft

The fragile nature of qubits is well-known as one of the most significant hurdles in quantum computing. Microsoft is addressing this challenge by developing a topological qubit that is more robust against outside interference.