Frequency Synchronization Circuit Model for Analog Vector-Matrix Multiplication in the Frequency Domain

Posted by klaurent Caltech

Kavli Affiliate: Michael Roukes | Summary:This work introduces a frequency synchronization circuit model for analog vector-matrix multiplication in the frequency domain. The frequency synchronization is implemented by coupling oscillators through all-to-all connections. Each oscillator is implemented using complementary cross-coupled transconductance pairs and RC high-pass filters. In this work, the frequency synchronization is achieved not only […]


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Band’s Geometry Origin of Quantum Spin Transport Phenomena

Posted by klaurent Delft

Kavli Affiliate: Mazhar Ali | Summary: We develop a geometric description of spin-dependent transport based on the local geometric structure of electronic bands and the Fermi surfaces. For quasi-two-dimensional systems, we show that hyperbolic regions of constant-energy surfaces generate a geometrical contribution to the Fermi velocity that couples naturally to electron spin and produces a […]


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Quantum-enhanced ghost imaging recognition via joint optimization of speckle patterns and quantum network parameters

Posted by klaurent Caltech

Kavli Affiliate: Anqi Zhang| Summary:Ghost imaging enables nonlocal image reconstruction and exhibits strong robustness against interference, but achieving high-fidelity recognition at ultra-low sampling rates remains challenging. Quantum machine learning offers a novel approach for efficient feature extraction on noisy medium-scale quantum devices; however, existing methods generally suffer from low recognition accuracy and weak noise resistance. […]


Continue.. Quantum-enhanced ghost imaging recognition via joint optimization of speckle patterns and quantum network parameters