EPI Solution

Pioneering III-V Semiconductor Innovation
through Advanced Epitaxial Growth Technology

Epi Solution is a leading provider of InP-based III-V compound semiconductor technologies, with deep expertise in epitaxial growth, device fabrication, and advanced characterization.

We are committed to supporting the advancement of photonic and electronic devices by providing high-quality, research-grade epitaxial wafers at affordable prices—enabling universities, research institutes, and startups to accelerate their innovation in III-V semiconductor technologies. Through customizable, high-performance epitaxial solutions, we aim to serve as the foundational enabler of breakthroughs in quantum sensing, high-speed communication, infrared imaging, and next-generation optoelectronics.

Simulation

TCAD-based simulation of optoelectronic devices, including near-infrared laser diodes, quantum cascade lasers, InGaAs-based PIN photodiodes and avalanche photodiodes (APDs), and solar cells.

Epitaxy

Advanced epitaxial growth technology for InP-based III-V compound semiconductor structures.

Fabrication

Fabrication of a broad range of III-V compound semiconductor optoelectronic devices, including laser diodes, photodetectors, and solar cells.

Measurements

Comprehensive electrical and optical characterization in the near- and far-infrared spectral regions.

Who We Are

At Epi Solution, we lead InP based III–V compound semiconductor innovation through deep expertise in epitaxial growth.

We deliver ultra pure, highly uniform heterostructures with atomic level control, providing the material foundation for next-generation photonic and electronic devices. Our proprietary superlattice know-how and precisely optimized processes protect material integrity, reproducibility, and yield across every wafer. Guided by precise metrology and strict quality criteria, we consistently meet and exceed demanding specifications and help turn ambitious device concepts into production-ready epitaxy.

We understand that the success of advanced technologies depends on material integrity, and our processes are meticulously optimized to meet—and exceed—the most stringent industry standards.

Driven by innovation and commitment to excellence, we offer customized epitaxial solutions tailored to the unique design needs of each client.

Sincerely,
The Epi Solution Team

Our Vision (more)

Lead InP based epitaxy innovation
Advance fabrication capabilities for high performance applications
Deliver precision characterization across the full infrared spectrum

Our Mission (more)

Advancing epitaxial wafer technology for cutting-edge applications
Enabling far-IR quantum sensing, single-photon detection, and high-speed communication

What We do (more)

Research-Grade Epitaxial Wafers
Premium-Grade Epitaxial Wafers
Single Photon Avalanche Photodetector(SPAD)
TCAD simulation

Company Milestones

2025

Dec

Selected as one of the 2025 Top 100 National R&D Achievements
Awarded the Minister’s Commendation from the Ministry of SMEs and Startups (MSS)

Oct

Received the Gyeonggi Provincial Council Chairperson’s Commendation

Sep

Selected for the 2025 Startup Growth Technology Development (R&D – Deep Tech Track) Program, Ministry of SMEs and Startups (MSS)

Jul

Selected for the 2025 Korea Nano Technology Institute (KNTI) Selective R&D Program
Selected for the 2025 Future Defense Science & Technology Development Program, Ministry of Science and ICT

Jun

Investment secured from POSCALE-Up Investment Association (KRW 30 million)

May

Selected for the Gyeonggi Quantum–Semiconductor Convergence R&D Support Program
Selected for the 2025 Early-Stage Start-up Package (MSS)
Technology Transfer Agreement signed with Dongguk University Industry-Academic Cooperation Foundation (Exclusive license & patent transfer: KRW 1.04 billion)
(Title: Substrate structure compensating strain for quantum cascade lasers with curved active layers, semiconductor devices, and optical sensors)

Apr

Research Facilities and Equipment Utilization Agreement signed with Korea Photonics Technology Institute (KRW 160 million)

Mar

Selected for the 2025 Industrial Materials & Components Equipment Convergence Innovation Support Program (Advanced Technology Support), Ministry of Trade, Industry and Energy

Feb

Investment secured from Gyeonggi Center for Creative Economy & Innovation (KRW 300 million)

Jan

Awarded the 2025 Korea Industry Award – K-R&D Grand Prize
Certified as a Venture Company

2024

Dec

Investment secured from Sunbo Angel Partners Co., Ltd. (KRW 300 million)

Nov

Certified as a Corporate Research Institute (Epi Solution)
Equipment Lease Agreement signed with Korea Nano Technology Institute (KNTI) for “MOCVD Equipment (MOCVD IV)” (KRW 200 million)

Oct

Investment secured from Dongguk University Technology Holdings Co., Ltd. (KRW 10 million)
Selected for the 2024 Gyeonggi Technopark Semiconductor Technology Proof-of-Concept (PoC) Program
Selected for the 2024 Korea Nano Technology Institute (KNTI) Selective R&D Program

Sep

Awarded Excellence Prize at the 2024 Preliminary Start-up Package Nano IR Competition

Aug

Selected for the 2024 KNTI Gyeonggi System Semiconductor OSAT Field R&D Support Program
Technology Transfer Agreement signed with Korea Nano Technology Institute (KNTI) (Technology fee and non-exclusive license: KRW 150 million)
(Title: Epitaxial growth of InGaAs/AlInAs superlattice quantum cascade lasers)
Company incorporated

Latest News

EDAILY

'경기 나노·반도체 창업 산실로 성장'…한국나노기술원 1인 창조센터

26 JAN, 2026

연료탱크 및 송유관에서 미세한 균열로 인해 발생하는 유해가스는 화재 또는 폭발 등 대형 사고로 이어질 수 있다. 이를 감지하는 첨단 기술은 누출된 가스에 접촉하지 않고도 정밀 검출이 가능한 반도체 기반의 소형레이저 광원(양자폭포레이저)이다.

ENEWSTODAY

동국대 신재철 교수, ‘2025 국가연구개발 우수성과 100선 선정 · 중기부장관 표창 수상

23 Jan, 2026

동국대학교 전자전기공학부 신재철 교수이자 ㈜에피솔루션 대표가 국가 연구개발과 기술사업화 성과를 연이어 인정받으며, 대학 연구의 산업 연계성과 산학연 협력의 대표적 성공 사례로 주목받고 있다.

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+82-2-2260-3519

episolution@episolution.co.kr

New Engineering Builing #9152, Dongguk Univ.
30, Pildong-ro 1-gil, Jung-gu, Seoul, 04620, Republic of Korea

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