Nano-Optoelectronics Lab.

나노광전자 연구실

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나노광전자 연구실

We explore new science and technologies on nano-structured optoelectronic devices for applications in ultrahigh-speed communications for data centers and 6G backbones, bio/medical diagnosis silicon phontonic chips, ultra bright CMOS image sensors, and next generation LiDAR sensors. We are equipped with nano-photonics theory, numerical simulation codes/tools/methodologies, epitaxy designs, clean-room fabrication technologies, and advanced characterization set-ups.

Major research field

Silicon photonic integrated circuit, On-chip laser and amplifier, All-in-on LiDAR chip, disruptive lasers, Bio/medical diagnosis chip

Desired field of research

Research Keywords and Topics

Silicon photonics
High-speed laser
Tunable laser
High-power laser
Tunable photodetector
CMOS image sensor

Research Publications

Laser and Photonics Reviews, "Hybrid vertical-cavity lasers with lateral emission into a silicon waveguide," Gyeong Cheol Park, Weiqi Xue, Alireza Taghizadeh, Elezaveta Semenova, Kresten Yvind, Jesper Mork, and Il-Sug Chung (corresponding author), (April 2015).
Optics Express, "Hybrid III-V/SOI resonant cavity enhanced photodetectors," Supannee Learkthanakhachon, Alireza Taghizadeh, Gyeong Cheol Park, Kresten Yvind, and Il-Sug Chung (corresponding author), (July 2016)
Applied Physics Letters, "Quasi bound states in the continuum with few unit cells of photonic crystal slab," Alireza Taghizadeh and Il-Sug Chung (corresponding author), (July 2017)


Laser device, Il-Sug Chung, US8,948,223 granted on Feb 3, 2015
Hybrid vertical-cavity laser, Il-Sug Chung, EP2396861 granted on Dec 17, 2012 and US9,184,562 granted on Nov 11, 2015


  • ED. 전기/전자
  • ED01. 광응용기술
  • ED0108. 광소자


  • 정보-지식-지능화 사회 구현
  • 010400. 반도체/나노 신소자 기술


  • 고효율화기술
  • 전력효율성 향상
  • 323. 그린 IT기술


  • NT 분야
  • 나노소자 및 시스템
  • 030114. 나노 photonics기술