#NISQ
#arXiv Mind the gaps: The fraught road to quantum advantage arxiv.org/abs/2510.19928 Quantum computing is advancing rapidly, yet substantial gaps separate today's noisy intermediate-scale quantum (NISQ) devices from tomorrow's fault-tolerant application-scale (FASQ) machines.
October 28, 2025 at 10:17 PM
Over the recent weeks and months, John Preskill and I sat down to think about where we are in quantum computing. While the noisy intermediate-scale quantum (#NISQ) era is just unfolding as we speak, the time seems right to look ahead to the next steps to come.

scirate.com/arxiv/2510.1...
October 24, 2025 at 8:29 AM
Today #quantum article selection:
- Topological symmetries on NISQ devices
- Fast and fault-tolerant logical measurement
- Decoding correlated errors
- Symmetry-protected qubit states
- Magic teleportation

More details and links below:
October 17, 2025 at 5:41 PM
hardware-aware execution strategies. These engineering optimizations significantly improve both processing speed and system performance, addressing key challenges in the NISQ era. A core innovation, OriginBIS, accelerates encoding speeds by up to [2/7 of https://arxiv.org/abs/2504.02455v1]
April 4, 2025 at 5:59 AM
量子計算の新方式がゲームチェンジャーに、NISQ飛ばしてFTQC目指す動きも - ITpro
news.google.com/rss/articles/CBMiOGh0dHBzOi8veHRlY2gubmlra2VpLmNvbS9hdGNsL254dC9jb2x1bW4vMTgvMDAwMDEvMDkzOTYv0gEA?oc=5
June 18, 2024 at 9:09 AM
intermediate-scale quantum (NISQ) devices, including noise, limited scalability, and trainability issues in variational quantum circuits (VQCs). We introduce the multi-chip ensemble VQC framework, which partitions high-dimensional computations across [2/5 of https://arxiv.org/abs/2505.08782v1]
May 14, 2025 at 6:09 AM
Nahual Sobrino, Unai Aseginolaza, Joaquim Jornet-Somoza, Juan Borge
Refining Noise Mitigation in NISQ Hardware Through Qubit Error Probability
https://arxiv.org/abs/2503.10204
March 14, 2025 at 5:46 AM
Shallow-depth GHZ state generation on NISQ devices
https://arxiv.org/pdf/2507.19145
S. Siddardha Chelluri, Stephan Schuster, Sumeet, Riccardo Roma.
https://arxiv.org/abs/2507.19145
arXiv abstract link
arxiv.org
July 28, 2025 at 4:32 AM
More pressingly, we show that our optimised circuits can realise the time evolution unitary e^{-iHt} with shallower circuits than all equivalent depth Trotterizations.

This helps simulations on NISQ hardware, with reduced CNOT depths required to reach a target error rate, ...
June 4, 2025 at 10:20 AM
Quantum (NISQ) era. In this study, we investigate the capabilities and limitations of VQE algorithms implemented on current quantum hardware for determining molecular ground-state energies, focusing on the adaptive derivative-assembled pseudo-Trotter [2/7 of https://arxiv.org/abs/2506.03995v1]
June 5, 2025 at 6:21 AM
Andrea Alessandrini, Carola Ciaramelletti, Simone Paganelli
Observation of the Quantum Zeno Effect on a NISQ Device
https://arxiv.org/abs/2310.08317
August 6, 2024 at 11:00 AM
Differential Privacy Preserving Distributed Quantum Computing
Hui Zhong, Keyi Ju, Jiachen Shen, Xinyue Zhang, Xiaoqi Qin, Ohtsuki Tomoaki, Miao Pan, Zhu Han
http://arxiv.org/abs/2412.12387
December 18, 2024 at 4:33 AM
well as current Noisy Intermediate-Scale Quantum (NISQ) hardwares. Experimental results demonstrate significant improvements over the state-of-the-art exact synthesis methods, achieving up to 99% improvements in terms of the number of levels of [5/6 of https://arxiv.org/abs/2504.02632v1]
April 4, 2025 at 6:19 AM
A nice new set of slides by John Preskill on beyond NISQ
Slides for my talk today at #Q2B: "Beyond NISQ: The Megaquop Machine."
www.preskill.caltech.edu/talks/Preski...
www.preskill.caltech.edu
December 11, 2024 at 11:44 PM
But since it is not our plan to just play with NISQ forever, here's our vision for a fault-tolerant future

mothquantum.substack.com/p/quantum-po...
Quantum-Powered Games: From Today to 2030
by James Wootton, CSO at MOTH and Daniel Bultrini, Researcher at MOTH
mothquantum.substack.com
August 24, 2025 at 8:46 AM
Quantum computing is advancing but still has a steep climb, from today’s noisy NISQ systems to future FASQ power. Progress in hardware, error correction & algorithms continues, with early wins in science, not yet business.

#Quantum #QuantumComputing #technology #Science
NISQ to FASQ -- Quantum Computing Still Faces a Climb From Promise to Practicality
Quantum computing is advancing rapidly, reaching fault-tolerant, application-scale systems will take longer and require solving challenges.
thequantuminsider.com
November 4, 2025 at 11:13 PM
Improving and benchmarking NISQ qubit routers
https://arxiv.org/pdf/2502.03908
Vicente Pina-Canelles, Adrian Auer, Inés de Vega
https://arxiv.org/abs/2502.03908
arXiv abstract link
arxiv.org
February 7, 2025 at 4:31 PM
NISQ-compatible Quantum Neural Networks (QNNs), which have been shown to outperform classical neural networks with a similar number of trainable parameters. While the quantum circuit structures of VQAs for physics simulations are determined by the [2/6 of https://arxiv.org/abs/2506.03697v1]
June 5, 2025 at 6:19 AM
Quick post on quantum algorithms here ⚛️

There’s a common misconception: VQE (Variational Quantum Eigensolver) is “just a NISQ-era algorithm” that will be obsolete once we have fault-tolerant quantum computers. I hear this sentiment from far too many people. It’s simply not true.
June 6, 2025 at 8:40 PM
Wang et al. introduce a self-adaptive quantum kernel PCA that boosts sensor data compression and preserves group-structured signals, outperforming classical PCA methods in challenging IoT scenarios, even with current NISQ devices. advanced.onlinelibrary.wiley.com/doi/10.1002/...
Self‐Adaptive Quantum Kernel Principal Component Analysis for Compact Readout of Chemiresistive Sensor Arrays
Self-adaptive quantum kernel (SAQK) PCA is introduced for efficient dimensionality reduction of chemiresistive sensor array data, addressing complex, group-structured relationships. Compared to class...
advanced.onlinelibrary.wiley.com
January 24, 2025 at 3:58 PM
Just when we thought we would never see quantum advantage in the NISQ era…
@QuantumInThings
December 13, 2024 at 12:12 PM
It might be useful to separately state the question for NISQ and for 'FTQC, even far in the future'.
January 9, 2025 at 10:36 AM
quantum domain, enabling efficient training of substitute QNNs using a limited but cleaned set of queried data. Experimental results on NISQ computers demonstrate that a practical implementation of CopyQNN significantly outperforms state-of-the-art [5/6 of https://arxiv.org/abs/2504.00366v1]
April 2, 2025 at 6:17 AM
Our design retains classical efficiency in earlier layers while injecting quantum expressiveness in the final encoder block, ensuring compatibility with current NISQ hardware. Experiments on synthetic time-series tasks demonstrate that QASA achieves [4/6 of https://arxiv.org/abs/2504.05336v1]
April 9, 2025 at 6:14 AM
arXiv:2504.09334v1 Announce Type: new
Abstract: Quantum computing promises to revolutionize problem-solving through quantum mechanics, but current NISQ devices face limitations in qubit count and error rates, hindering the execution of large-scale [1/7 of https://arxiv.org/abs/2504.09334v1]
April 15, 2025 at 6:19 AM