EP#439: The Nuts and Bolts of Quantum Computing - Rick Altherr

Circuit Break - A MacroFab Podcast

In this episode of Circuit Break, hosts Parker Dillmann and Stephen Kraig welcome Rick Altherr, a full stack engineer, to discuss the intricacies of quantum computing. Rick shares insights into the working of quantum processors, particularly the trapped ion approach used by IonQ, and delves into the technical challenges and potential future applications of quantum computing. The conversation covers the practicalities of building quantum computers, the nature of quantum algorithms, and the current limitations that keep quantum computing in the R&D phase.

Key Discussion Points:

• Introduction to Rick Altherr and his background in quantum computing at IonQ.
• Explanation of the trapped ion approach and its components like RF, lasers, and cryostats.
• The process of capturing and manipulating qubits in a quantum computer.
• The role of control theory in regulating trapped ions and performing quantum operations.
• The coherence time and its impact on quantum computations.
• Challenges in scaling up quantum computers and achieving practical applications.
• Comparison between trapped ion and superconducting quantum computers.
• The importance of laser cooling in maintaining the stability of qubits.
• The current state of quantum algorithms and their limited practical use.
• The concept of quantum advantage and commercial viability.
• Future prospects and the timeline for quantum computing becoming mainstream.
• Rick's insights on working remotely on such advanced technology.
• The role of simulations and empirical data in quantum computer calibration.

Relevant Links:

• Rick's Mastodon Profile
• Calendly for Rick's Mentoring and Resume Review
• Quantum Country
• Bloch Sphere - Wikipedia

Community Questions:

• What are your thoughts on the potential of quantum computing in your field of work?
• How do you see the impact of quantum computing advancements in the next decade?
• What are some practical applications you envision for quantum computing in everyday life?

MacroFab:

This show is brought to you by MacroFab, which provides a platform for electronics manufacturing services (EMS), hardware development, designing, and prototyping for individuals, startups, and businesses. Key MacroFab services include PCB (Printed Circuit Board) fabrication, assembly, and testing. Customers can use MacroFab's platform to upload their PCB designs, select components, and specify manufacturing requirements.

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