activity
20212026
most citedGeneration of three-dimensional cluster entangled state

30 citations · 48 across the 7 of their papers we have counts for

collaborators

8 papers

quant-ph2026

Efficient detection of spectral cluster states

M. Kalash, U. -N. Han, C. Roh +3

Multimode entangled states of light are key resources for high-dimensional photonic quantum technologies, particularly for continuous-variable quantum computing and quantum informa…

quant-ph2026

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…

quant-ph2026

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,…

quant-ph2026

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…

quant-ph2024

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…

quant-ph2023★ 30 cited

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…

quant-ph2022★ 10 cited

Continuous-Variable Nonclassicality Detection under Coarse-Grained Measurement

Chan Roh, Young-Do Yoon, Jiyong Park +1

Coarse graining is a common imperfection of realistic quantum measurement, obstructing the direct observation of quantum features. Under highly coarse-grained measurement, we exper…

quant-ph2021★ 8 cited

Robust squeezed light against mode mismatch using a self imaging optical parametric oscillator

Chan Roh, Geunhee Gwak, Young-Sik Ra

We present squeezed light that is robust against spatial mode mismatch (beam displacement, tilt, and beam-size difference), which is generated from a self-imaging optical parametri…