sparc Lab

Welcome to signal processing on analog & rf communication (sparc) lab 

Latest News

• [2026.02] Our joint research work with Prof. Nam at Seoul-Tech is accepted for Electronic Letters ("A​ ​high​ ​temperature-voltage​ ​sensitivity​ ​2-transistor​ ​voltage​ ​reference​ ​with​ ​wide​ ​range​ ​operation ")​. 

• [2025.10] Research Grant: Our group received the new research grant from National Research Foundation (NRF) of Korea.

  • Title: A Cryo-CMOS Low-IF ROIC with <7K Noise Temperature and Multi-channel (bit) Quantum Sensing

  • Program: 2025 Korea-Switzerland Quantum Science and Technology Programme

  • Consortium: Ewha (Principle), Yonsei, Seoul Tech. (Korea) /  ETH-Zurich, EMPA (Switzerland)

  • Duration: 2025.10 - 2029.09 (48 months)

• [2025.10] Research Grant: Our group participates in the new research grant with other multi-disciplinary groups at EWHA.

  • Program: National Research Lab (NRL) 2.0

  • Duration: 2025.09 - 2034.12

  • [Link1], [Link2] 

• [2025.09] Hyeon-Sik Ahn (Ph.D. candidate) won the grant for a 1-year NRF project! (박사과정생연구장려금지원사업) . Congrats to Hyeon-Sik!

• [2025.09] Dohun Kim (M.S. candidate) won the grant for a 1-year NRF project! (석사과정생연구장려금지원사업) . Congrats to Dohun!

• [2025.08] Aulya​ ​Sholehah​ ​Wataawa​ ​Sau (M.S. candidate)'s paper, "Phase Manipulation VCO Employing Current Harmonic Cancellation Achieving 5 dB Phase Noise Reduction at 1/f^3 Region", is accepted and will be presented at APCCAS​ ​2025. Congrats to Aulya!

• [2025.08] Hyeon-Sik Ahn (Ph.D. candidate)'s paper, "A 4-to-7GHz, 52.3dB SFDR, and 48K Noise Temperature Cryo-CMOS Based Noise-Canceling Receiver for Superconducting Multi-Qubits Read-Out", is accepted and will be presented at ASSCC​ ​2025.  [Link]

• [2025.08] Dinh Thinh Tran (Ph.D. candidate)'s paper, "Multi-Band​ ​LPWAN​ ​Transceiver​ ​with​ ​Two-Step​ ​Wake-Up​ ​Receiver​ ​and​ ​Switched-Capacitor​ ​PA-Based​ ​Transmitter​ ​Achieving​ ​-125​ ​dBm​ ​Sensitivity,​ ​6.7​ ​μW​ ​at​ ​1​ ​s​ ​Wake-Up​ ​Latency,​ ​and​ ​1​ ​Mbps​ ​BFSK​ ​Modulation", is accepted and will be presented at ASSCC​ ​2025.  [Link]

• [2025.03] Our lab has moved to Ewha Womans University (EWHA) [Link]

NOTICES

• Openings: We are currently seeking self-motivated researchers at the level of Post-doctoral / Doctoral / Master degree. Interested candidates should send their CV and/or portfolio to  jusungkim@ewha.ac.kr.

• Introduction material (presentation) for SPARC Lab. (last update: 2025 May) [Link]