activity
20232025
most citedNominality Score Conditioned Time Series Anomaly Detection by Point/Sequential Reconstruction

11 citations · 11 across the 9 of their papers we have counts for

collaborators

10 papers

cs.LG2025

EARL: Entropy-Aware RL Alignment of LLMs for Reliable RTL Code Generation

Jiahe Shi, Zhengqi Gao, Ching-Yun Ko +1

Recent advances in large language models (LLMs) have demonstrated significant potential in hardware design automation, particularly in using natural language to synthesize Register…

physics.optics2025

SP2RINT: Spatially-Decoupled Physics-Inspired Progressive Inverse Optimization for Scalable, PDE-Constrained Meta-Optical Neural Network Training

Pingchuan Ma, Ziang Yin, Qi Jing +8

DONNs leverage light propagation for efficient analog AI and signal processing. Advances in nanophotonic fabrication and metasurface-based wavefront engineering have opened new pat…

cs.LG2025

RL Tango: Reinforcing Generator and Verifier Together for Language Reasoning

Kaiwen Zha, Zhengqi Gao, Maohao Shen +3

Reinforcement learning (RL) has recently emerged as a compelling approach for enhancing the reasoning capabilities of large language models (LLMs), where an LLM generator serves as…

physics.optics2025

MAPS: Multi-Fidelity AI-Augmented Photonic Simulation and Inverse Design Infrastructure

Pingchuan Ma, Zhengqi Gao, Meng Zhang +5

Inverse design has emerged as a transformative approach for photonic device optimization, enabling the exploration of high-dimensional, non-intuitive design spaces to create ultra-…

cs.CV2025

REG: Rectified Gradient Guidance for Conditional Diffusion Models

Zhengqi Gao, Kaiwen Zha, Tianyuan Zhang +2

Guidance techniques are simple yet effective for improving conditional generation in diffusion models. Albeit their empirical success, the practical implementation of guidance dive…

physics.optics2024

BOSON: Understanding and Enabling Physically-Robust Photonic Inverse Design with Adaptive Variation-Aware Subspace Optimization

Pingchuan Ma, Zhengqi Gao, Amir Begovic +6

Nanophotonic device design aims to optimize photonic structures to meet specific requirements across various applications. Inverse design has unlocked non-intuitive, high-dimension…

physics.comp-ph2024

PIC2O-Sim: A Physics-Inspired Causality-Aware Dynamic Convolutional Neural Operator for Ultra-Fast Photonic Device FDTD Simulation

Pingchuan Ma, Haoyu Yang, Zhengqi Gao +2

The finite-difference time-domain (FDTD) method, which is important in photonic hardware design flow, is widely adopted to solve time-domain Maxwell equations. However, FDTD is kno…

cs.LG2023

Rare Event Probability Learning by Normalizing Flows

Zhenggqi Gao, Dinghuai Zhang, Luca Daniel +1

A rare event is defined by a low probability of occurrence. Accurate estimation of such small probabilities is of utmost importance across diverse domains. Conventional Monte Carlo…

cs.LG2023★ 11 cited

Nominality Score Conditioned Time Series Anomaly Detection by Point/Sequential Reconstruction

Chih-Yu Lai, Fan-Keng Sun, Zhengqi Gao +2

Time series anomaly detection is challenging due to the complexity and variety of patterns that can occur. One major difficulty arises from modeling time-dependent relationships to…

cs.LG2023

KirchhoffNet: A Scalable Ultra Fast Analog Neural Network

Zhengqi Gao, Fan-Keng Sun, Ron Rohrer +1

In this paper, we leverage a foundational principle of analog electronic circuitry, Kirchhoff's current and voltage laws, to introduce a distinctive class of neural network models…