activity
20172021
most citedObservation of second-order temporal interference with thermal light: Interference beyond the coherence time

35 citations · 39 across the 3 of their papers we have counts for

collaborators

7 papers

quant-ph2021

Quantum illumination with asymmetrically squeezed two-mode light

Yonggi Jo, Taek Jeong, Junghyun Kim +4

We propose Gaussian quantum illumination(QI) protocol exploiting asymmetrically squeezed two-mode(ASTM) state that is generated by applying single-mode squeezing operations on each…

quant-ph20214 cited

Surviving Entanglement in Optic-Microwave Conversion by Electro-Optomechanical System

Yonggi Jo, Su-Yong Lee, Yong Sup Ihn +3

In recent development of quantum technologies, a frequency conversion of quantum signals has been studied widely. We investigate the optic-microwave entanglement that is generated…

quant-ph2020

Quantum illumination receiver using double homodyne detection

Yonggi Jo, Sangkyung Lee, Yong Sup Ihn +2

A quantum receiver is an essential element of quantum illumination (QI) which outperforms its classical counterpart, called classical-illumination (CI). However, there are only few…

quant-ph2020

Coherent multi-mode conversion from microwave to optical wave via a magnon-cavity hybrid system

Yong Sup Ihn, Su-Yong Lee, Dongkyu Kim +2

Coherent conversion from microwave to optical wave opens new research avenues towards long distant quantum network covering quantum communication, computing, and sensing out of the…

quant-ph2020

Quantum illumination via quantum-enhanced sensing

Su-Yong Lee, Yong Sup Ihn, Zaeill Kim

Quantum-enhanced sensing has a goal of enhancing a parameter sensitivity with input quantum states, while quantum illumination has a goal of enhancing a target detection capability…

quant-ph2019

Optimal entangled coherent states in lossy quantum-enhanced metrology

Su-Yong Lee, Yong Sup Ihn, Zaeill Kim

We investigate an optimal distance of two components in an entangled coherent state for quantum phase estimation in lossy interferometry. The optimal distance is obtained by an eco…