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Webinars

The Next Generation of Quantum Analyzers: SHFQA Launch Event

with Sadik Hafizovic,
Paolo Navaretti,
and Tobias Thiele

November 17th, 2020

17:00 - 18:15 CET
11:00 - 12:15 EST

Platform: Zoom

Register now

Sadik Hafizovic, Paolo Navaretti, Tobias Thiele

Would you like to improve the readout of your superconducting or spin qubits, increase the fidelity of your quantum algorithm or scale up your qubit system size? These are the goals that motivated us to bring to the market the SHFQA Quantum Analyzer. In this virtual launch event, we will provide a technical overview of the instrument and discuss the strengths of its integrated, mixer-calibration-free frequency conversion scheme. We will also run instrument demonstrations to show you how to:

  • Measure a resonator at 8 GHz with only two microwave cables;
  • Perform the readout of 16 qubits in parallel; and
  • Take advantage of the SHFQA's feedback capabilities and integrate the SHFQA into a 10-instrument QCCS.

An extended live Q&A session will allow you to ask us your questions about the SHFQA – join us for this event!

Von Transportmessungen in der Festkörperphysik zur Impedanzanalyse in der Elektrotechnik

mit Claudius Riek

12. November 2020

11:00 - 12:00 CET

Plattform: pro-physik.de

Jetzt anmelden

Claudius Riek

Lock-in Verstärker können sehr schwache Spannungen und Ströme phasensensitiv und hochaufgelöst messen. Sowohl Transportmessungen als auch die Impedanzanalyse basieren auf der genauen Messung von Amplitude und Phase einer Spannung bzw. eines Stroms. Lock-in Verstärker sind weiter auch für viele Messungen in der Festkörperphysik hervorragend geeignet, beispielsweise die Charakterisierung kleinster Ströme beim Hall-Effekt.

Nach einer kurzen Einführung in das Lock-in Verstärker Messverfahren erfahren Sie, wie diese Messtechnik bessere und schnellere Transportmessungen ermöglicht. Anschließend bekommen Sie die Vorteile der Messmethode für den Einsatz zur Impedanzanalyse an Festkörperproben und elektrischen Bauteilen an den beiden folgenden konkreten Beispielen illustriert: DLTS Messungen und die Charakterisierung von DC-Link Kondensatoren.

Boost Your SPM Applications: From Kelvin Probe to Time-Resolved Measurements

A Fast and Scalable Approach to Controlling 100 Qubits and More

Nanoscale Light-Matter Interactions

Optimize the Signal Acquisition for Optics and Photonics Measurements

Impedance Analysis: Measuring Low and Fast

Optimize the Signal Acquisition for Optical Measurements

Nanostructure Transport Characterization

Sensor Characterization and Control

October 8th, 2020
Romain Stomp (romain.stomp@zhinst.com)
Mehdi Alem (mehdi.alem@zhinst.com)

In this webinar, Romain and Mehdi discuss how to address complex detection schemes in scanning probe microscopy (SPM) with the highest possible resolution. They carry out tutorials on Kelvin probe force microscopy (KPFM) and electrical pump-probe methods, and consider a practical example of FM-KPFM measurement using the MFLI Lock-in Amplifier with a FlexAFM microscope. Romain's blog post highlights some important take-home messages, includes useful additional resources, and summarises the answers to the many questions asked during the live event.

August 20th, 2020
Tobias Thiele (tobias.thiele@zhinst.com)

In this webinar, Tobias discusses how our instruments simplify and accelerate the development of ambitious quantum computing projects going from a few to more than 100 qubits. Focusing on two of the most promising systems, namely superconducting and spin qubits, he shows how to perform Rabi oscillations within a day and how to control and read out qubits with the highest speed and fidelity. Tobias answers some of the questions asked during the live session in this blog post.

July 23rd, 2020
Claudius Riek (claudius.riek@zhinst.com)
Romain Stomp (romain.stomp@zhinst.com)

In this webinar, Claudius and Romain are joined by Prof. Markus Raschke (University of Colorado Boulder) and his student Mr. Samuel Johnson to present the growing field of tip-enhanced scanning probe microscopy and its application to precision spectroscopy, ultrafast-nano-imaging and, in the strong coupling limit, cavity quantum electrodynamics. In particular, Claudius shows how to maximize the signal and image information content with advanced measurement instrumentation. Claudius, Markus and Samuel answer many of the questions asked during the live event here.

June 23rd, 2020
Claudius Riek (claudius.riek@zhinst.com)

In this webinar, Claudius focusses on four prototypical techniques in optics and photonics: tunable diode laser absorption spectroscopy (TDLAS), pump-probe spectroscopy, stimulated Raman scattering (SRS), and carrier-envelope offset (CEO) stabilization. He looks into how to choose the most suitable measurement scheme for your experiment, e.g. a lock-in amplifier or a boxcar averager, and discusses how to save precious measurement time and record high-quality data with the highest signal-to-noise ratio. Claudius answers the questions asked during the live session here; he covers some crucial aspects related to the topic of his webinar in this blog post.

June 11th, 2020
Tim Ashworth (tim.ashworth@zhinst.com)

In this webinar, Tim looks at two impedance measurement challenges. In the first case, he shows how to measure equivalent series resistance (ESR) below 1 mOhm and equivalent series inductance (ESL) below 20 nH for a DC-Link capacitor. In the second example, he discusses how to strike a balance between measurement speed and precision in fast capacitance measurements (on the time scale of microseconds) used to investigate the transient behavior of devices and materials. Tim's answers to many of the questions asked during the live session are available here.

May 26th, 2020
Claudius Riek (claudius.riek@zhinst.com)

In this webinar, Claudius shows how to choose the best measurement approach (lock-in amplification vs boxcar averaging) and settings for your optical measurements to minimize the implementation effort, save time, and record high-quality data with the highest signal-to-noise ratio. The focus is on four prototypical techniques in optics and photonics: tunable diode laser absorption spectroscopy (TDLAS), pump-probe spectroscopy, stimulated Raman scattering (SRS), and carrier-envelope offset (CEO) stabilization. In this blog post, Claudius answers the questions asked during the live session; here he covers some crucial aspects related to the topic of his webinar.

May 14th, 2020
Jelena Trbovic (jelena.trbovic@zhinst.com)

In this webinar, Jelena looks into the basic transport characteristics of materials and nanostructures, and discusses how to set up a lock-in amplifier to perform the fastest measurements with the highest signal-to-noise ratio. An exhaustive summary of her answers to the questions asked during the live session is available here.

April 30th, 2020
Kıvanç Esat (kivanc.esat@zhinst.com)

In this webinar, Kıvanç looks at the best ways to use time- and frequency-domain tools to characterize sensing devices. In particular, he shows how to set up feedback loops for sensor control without the need for time-consuming and expensive application-specific integrated circuitry (ASIC) development. A detailed blog post accompanies this webinar.

Virtual SPM User Meeting

Session 1: Ferroelectrics control

Session 2: Time-resolved SPM methods

April 16th, 2020
Brice Gautier, Romain Stomp (romain.stomp@zhinst.com)

This session features a talk by Prof. Brice Gautier (INSA Lyon) and a tutorial by Dr. Romain Stomp (Zurich Instruments).

In his talk, Brice reviews the technical aspects enabling the use of PFM for domain imaging, hysteresis loops and domain engineering in the DFRT mode. He points out the most common artefacts and shows how experimental conditions influence measured properties. Brice also provides examples of ferroelectric domain control by means of an electric field or mechanical stress. Following the talk, Romain's tutorial looks into the DFRT method and feedback optimization.

April 16th, 2020
Valentin Aubriet, Mehdi Alem (mehdi.alem@zhinst.com)

This session features a talk by Mr. Valentin Aubriet (CEA-LETI Grenoble) and a tutorial by Dr. Mehdi Alem (Zurich Instruments).

In his talk, Valentin presents a setup for heterodyne Kelvin Probe Force Microscopy (h-KPFM) – featuring the HF2LI Lock-in Amplifier – under frequency-modulated and wavelength-dependent illumination. He then shows how to characterize silicon interfaces embedded under different types of oxides. In the tutorial following this talk, Mehdi discusses electrical pump-probe methods with arbitrary waveform generators.

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