Research

NOPD Lab (Nonlinear Optics & Photonic Devices for Quantum Applications)

Research

Introduction

The Nonlinear Optics & Photonic Devices for Quantum Applications (NOPD) Laboratory, established in 2013, conducts advanced research at the intersection of nonlinear optics, quantum optics, and mid-infrared photonic technologies. Our research focuses on the following areas:

1. Development of mid-infrared photonic devices and fiber-optic components based on nonlinear optical processes
2. Generation and characterization of quantum light sources for applications in quantum information technology
3. Experimental studies in quantum optics, quantum communication, and quantum sensing

While building on the foundation of conventional optical communications, we actively explore emerging applications in quantum information processing, precision sensing, defense, and security. By integrating nonlinear photonics with quantum technologies, the NOPD Laboratory aims to contribute to the advancement of next-generation photonic and quantum systems.

양자의 세계를 여는 열쇠, 양자 시뮬레이터

우리 연구실은 KIST의 소재 혁신 양자시뮬레이터 개발 사업단에 참여하여 과제를 수행 중입니다. 사업단에서 추구하는 양자 시뮬레이터에 대해 소개합니다.

Nonlinear Optics

Development of quantum light sources based on second-order nonlinear optical processes
Investigation of quadratic cascading effects in periodically poled ferroelectric crystals
Exploration of novel nonlinear-optical phenomena and their applications

Quantum Optics

Generation of correlated photon pairs using second- and third-order nonlinearities
Implementation of scalable quantum computing protocols with photonic qubits
Development of high-precision quantum sensing techniques and secure quantum communication channels

Mid-Infrared (Mid-IR) Photonics

Design and fabrication of mid-IR fiber-optic devices for sensing and communication
Development of broadband optical components based on off-axis reflective optics
Exploration of non-oxide crystals for high-purity mid-infrared photon pair generation

Fiber Optics & Acousto-Optics

Realization of all-fiber acousto-optic devices for signal control and modulation
Integration of mid-IR capabilities into fiber-optic platforms for enhanced functionality
Development of fiber-based quantum light sources for scalable quantum systems

List of Research Projects (Click to Expand)

Research on photonic platforms for generating multidimensional quantum states
National Research Foundation (NRF) of Korea (소재 혁신 양자시뮬레이터 개발사업), 2023.05. – 2027.12. (with KIST)
Development of waveguide-based quantum entanglement optical system and its application
Korea Institute of Science and Technology (KIST), 2023.04. – 2027.12.
Highly bright and high-quality quantum entangled state generation using non-critical phase matching
National Research Foundation (NRF) of Korea (양자컴퓨팅기술개발사업) 2022.04. – 2024.03 (with KIST).
Lithium niobate waveguide based SPDC efficiency optimization
Institute for Information communication Technology Planning and evaluation (IITP), 2021.01. – 2022.12 (with POSTECH, KIST, ETRI).
Mid-infrared photonic devices based on fiber-optic and off-axis optical systems
National Research Foundation (NRF) of Korea (Ministry of Science, ICT & Future Planning), 2019.06. – 2022.02.
Nonlinear-optic entangled photon-pair and multi-qubit sources for high-purity and high-efficiency quantum communication channels
Korea Institute of Science and Technology (KIST), 2019.03. – 2021.12.
Research on photonic quantum simulation
Basic Research Laboratory (BRL), National Research Foundation (NRF) of Korea (Ministry of Science, ICT & Future Planning), 2016.06. – 2019.02 (with POSTECH and Busan Natl. Univ.).
Temporal cloak based on cascaded second-order nonlinear optic effect
Small Grant for Exploratory Research (SGER), National Research Foundation (NRF) of Korea, (Ministry of Science, ICT & Future Planning), 2016.11. – 2017.10.
Proto-model development of off-axis aluminum telescope for space infrared observations
Space Technology Development Program, National Research Foundation (NRF) of Korea (Ministry of Science, ICT & Future Planning), 2014.07. – 2019.06 (with School of Space Research, KHU).
Near to mid-infrared photonics based on in-fiber acousto-optic platform
Basic Science Research Program, National Research Foundation (NRF) of Korea (Ministry of Science, ICT & Future Planning), 2014.05. – 2017.04.
Mid-infrared photonics based on CMOS compatible integrated photonic platform
Framework of International Cooperation Program, National Research Foundation (NRF) of Korea (Ministry of Science, ICT & Future Planning), 2013.09. – 2015.08 (with Lyon Institute of Nanotechnology (INL), Ecole Centrale de Lyon, France).
Application of acousto-optic devices
Kyung Hee University, 2013.03 – 2014.02.

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