6 papers · 1 filter
Camera-enabled scalable homodyne detection of multimode quantum light
Young-Do Yoon, Chan Roh, Geunhee Gwak +1
Scalability is a key challenge in advancing quantum technologies such as quantum computing, communication, and metrology. Photonic systems offer a promising route to scalability by…
Efficient ultrafast homodyne detection of quantum light
Young-Do Yoon, Chan Roh, Geunhee Gwak +1
Ultrafast continuous-variable quantum states offer new opportunities for advanced quantum technologies, but efficient homodyne detection of these states remains challenging. Here,…
Experimental Quantum Tomography of Multimode Gaussian States
Chan Roh, Geunhee Gwak, Young-Do Yoon +1
Multimode Gaussian states are a versatile resource for quantum information technologies and have been realized across a wide range of physical platforms. Recent progress in the lar…
Quantum Metrology under Coarse-Grained Measurement
Byeong-Yoon Go, Geunhee Gwak, Young-Do Yoon +4
While quantum metrology enables measurement precision beyond classical limits, its performance is often susceptible to experimental imperfections. Most prior studies have focused o…
Completely characterizing multimode nonlinear-optical quantum processes
Geunhee Gwak, Chan Roh, Young-Do Yoon +2
Complete characterization of a multimode optical process has paved the way for understanding complex optical phenomena, leading to the development of novel optical technologies. Un…
Generation of three-dimensional cluster entangled state
Chan Roh, Geunhee Gwak, Young-Do Yoon +1
Measurement-based quantum computing is a promising paradigm of quantum computation, where universal computing is achieved through a sequence of local measurements. The backbone of…