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.

Simultation

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

Epitaxy

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

Fabrication

Fabrication

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

Measurements

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

2026

Jan
  • Selected as one of the 2025 Top 100 National R&D Achievements

2025

Dec
  • Awarded the Minister’s Commendation from the Ministry of SMEs and Startups (MSS)
Nov
  • Selected for the 2025 Seoul RISE Prototype Production Support Program (Priming Technology Packaging)
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: Quantum Cascade Laser Having a Valley-Shaped Active Layer and a Strain-Compensating Substrate Structure, a Semiconductor Device Including the Same, and an Optical Sensor Including the Same)
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)
  • Awarded the 2025 Korea Industry Award – K-R&D Grand Prize
Jan
  • 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

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Contact Info

+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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