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Artwork for The Post-Quantum World

The Post-Quantum World

Protiviti
Quantum Computing
Post-Quantum Cryptography
NIST
Artificial Intelligence
Cybersecurity
Logical Qubits
Error Correction
Quantum Networking
Quantum Sensing
Ionq
Microsoft
Material Science
Quantum Information Science
Infosec Global
Quantum Error Correction
D-Wave
Quantum Dots
Cryptography Standards
Quantum Internet
DEF CON

Follow The Post-Quantum World, where Protiviti and our guests explore quantum computing and its business impacts, benefits and threats. Quantum computing capabilities are exploding, causing disruption and opportunities, but many technology and business leaders still don’t understand the impact quantum will have on their business. Protiviti is helping organizations get post-quantum ready. In our bi... more

PublishesTwice monthlyEpisodes139Founded6 years ago
Number of ListenersCategory
Technology

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Artwork for The Post-Quantum World

Latest Episodes

For years, the cybersecurity world treated Quantum Key Distribution (QKD) and Post-Quantum Cryptography (PQC) like rival factions, and dismissed QKD as a niche technology requiring expensive dark fiber. In this episode, Terry Cronin, VP of Business D... more

Most quantum computing modalities face difficult hurdles with connectivity and scaling. Trapped atoms are great at interacting to run quantum calculations, but connecting millions of them together can be an engineering challenge. Photons are fantasti... more

Quantum computing is rapidly crossing the chasm from low-level physics experiments to practical, enterprise-grade problem-solving. In this episode, host Konstantinos Karagiannis sits down with IBM Quantum Product Lead Sanket Panda and Quantum Element... more

Quantum computing has long been trapped inside massive dilution refrigerators, but SAXON Q is looking to change that. CEO Marius Grundmann joins host Konstantinos Karagiannis breaks down how his company uses artificial diamond chips and atomic-scale ... more

Key Facts

Accepts Guests
Contact Information
Podcast Host
Number of Listeners
Find out how many people listen to this podcast per episode and each month.

Recent Guests

Terry Cronin
Vice President of Business Development and Marketing at Toshiba
Toshiba
Episode: Quantum Safe Networking – with Terry Cronin of Toshiba
Barak Dayan
Professor at the Weizmann Institute of Science and co-founder and chief scientist of Quantum Source
Quantum Source
Episode: Combining Atoms and Photons in a New Type of QPU – with Professor Barak Dayan of Quantum Source
Sanket Panda
Product Lead at IBM Quantum
IBM Quantum
Episode: Qiskit and Quantum Utility – with Sanket Panda of IBM Quantum and Izhar Medalsy of Quantum Elements
Izhar Medalsy
Co-founder and CEO
Quantum Elements
Episode: Qiskit and Quantum Utility – with Sanket Panda of IBM Quantum and Izhar Medalsy of Quantum Elements
Marius Grundmann
CEO of Saxon Q
Saxon Q
Episode: Diamonds in the Rack: Room-Temp Quantum Computing – with Marius Grundmann of SAXON Q
Cameron Chehreh
VP of Engineering and CTO of IonQ
IonQ
Episode: Q-Day Before 2030 Remains Firm – with Cameron Chehreh of IonQ
José Rosas
CEO of EigenQ
EigenQ
Episode: Preventing Some PQC Rip-and-Replace – with José Rosas of EigenQ
Sanket Deshpande
CEO of Dirac Labs
Dirac Labs
Episode: Quantum Navigation Takes to the Skies – with Sanket Deshpande and Ashwarya Das of Dirac Labs
Ashwarya Das
COO of Dirac Labs
Dirac Labs
Episode: Quantum Navigation Takes to the Skies – with Sanket Deshpande and Ashwarya Das of Dirac Labs

Host

Konstantinos Karagiannis
Host of The Post-Quantum World

Reviews

4.8 out of 5 stars from 41 ratings
  • Interesting interviews with quantum innovators

    This is an excellent podcast to keep up with the latest innovations across the quantum ecosystem.

    Apple Podcasts
    5
    Sarah S 🥂
    United States3 years ago
  • Hi

    Hi my name is zeke and you are amazing

    Apple Podcasts
    5
    Hi dad I’m gay
    United States3 years ago
  • Great guests, cringey host

    Have to unsubscribe, the host asks the most basic questions as if he has put in no prep, doesn’t let guests really continue their line of logic.

    Apple Podcasts
    2
    Dr JTP
    United States4 years ago
  • Great content - good mix of technical and business concepts

    High quantity guests and content. Hits technical concepts without diving so deep you get lost.

    Apple Podcasts
    5
    patrioticcyber
    United States5 years ago

Listeners Say

Key themes from listener reviews, highlighting what works and what could be improved about the show.

Some episodes feel a bit surface-level; prep depth varies by guest.
Engaging guests but pacing can vary between technical deep-dives and strategy talks.
Insightful mix of technical and business concepts, with strong guest lineups.
High-quality content with a solid track record of practical PQC discussions.

Chart Rankings

How this podcast ranks in the Apple Podcasts, Spotify and YouTube charts.

Apple Podcasts
#243
Switzerland/Technology

Talking Points

Recent interactions between the hosts and their guests.

Quantum Safe Networking – with Terry Cronin of Toshiba
Q: So how easy would it be then to just plug this into like Telco, a software-defined network interface or something like that, make it a service?
Cronin says the equipment uses standard 19-inch rack-mounted hardware and ETSI standards, including ETSI 018 for software-defined networking, to support interoperability and integration into telco environments.
Quantum Safe Networking – with Terry Cronin of Toshiba
Q: So for this trial, what did you have to do to maintain the fragile quantum signals?
Cronin says Toshiba uses multiplexing so quantum key signals and data can share standard lit fiber, reducing the cost and need for dedicated dark fiber.
Combining Atoms and Photons in a New Type of QPU – with Professor Barak Dayan of Quantum Source
Q: So what are the native gates supported here between the photon and the atom? How do you do things like swap and controlled phase to execute?
Dayan says the system uses single-photon generation, atom preparation in the plus state, a photon-atom CZ gate, and atom readout. Rather than swapping quantum information between distant locations, photons can be routed to another part of the system.
Combining Atoms and Photons in a New Type of QPU – with Professor Barak Dayan of Quantum Source
Q: So how does putting a single rubidium atom inside an optical cavity turn that probabilistic gamble into a deterministic interaction?
Dayan explains that a single atom can deterministically generate one photon and become entangled with successive photons, forming a cluster of entangled qubits even though the photons never touch.
Qiskit and Quantum Utility – with Sanket Panda of IBM Quantum and Izhar Medalsy of Quantum Elements
Q: Sanket, do you want to take that first?
Yes, we discussed three core advantages of Orbit: scaling beyond trivial simulation, intelligent selection of capabilities, and enabling researchers to push experimentation faster while focusing on their problem rather than noisy hardware details.

Audience Metrics

Listeners, social reach, demographics and more for this podcast.

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Frequently Asked Questions About The Post-Quantum World

What is The Post-Quantum World about and what kind of topics does it cover?

A business- and tech-focused exploration of post-quantum computing, security, and practical enterprise impact. Episodes frequently cover PQC standards, hardware and software integration, real-world deployments, and strategic implications for risk, security tooling, and finance. Guests range from quantum researchers and startup leaders to tooling providers and large-tech ecosystem players, with a strong emphasis on actionable paths for organizations to become post-quantum ready. The show often pairs deep technical concepts with business case discussions, regulatory outlooks, and market trends, making it useful for decision-makers evaluating vendor strategies, risk mitigation, and technology adoption in the quantum era.

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How many episodes of The Post-Quantum World are there?

The Post-Quantum World launched 6 years ago and published 139 episodes to date. You can find more information about this podcast including rankings, audience demographics and engagement in our podcast database.

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What guests have appeared on The Post-Quantum World?

Recent guests on The Post-Quantum World include:

1. Terry Cronin
2. Barak Dayan
3. Sanket Panda
4. Izhar Medalsy
5. Marius Grundmann
6. Cameron Chehreh
7. José Rosas
8. Sanket Deshpande

To view more recent guests and their details, simply upgrade your Rephonic account. You'll also get access to a typical guest profile to help you decide if the show is worth pitching.

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