WDM-PON Downstream Optical Link Using Wavelength-Locked FP-LD by Spectrally-Sliced FP-LD. - Hyuk-Choon Kwon; Won-Seok Jang; Sang-Kook Han (IEICE Trans. Commun., 2005)

Optical Beat Noise Reduction Using FM to AM Conversion of Injection-Locked FP-Laser Diode in Reflective SOA Based WDM/SCM-Passive Optical Networks. - Yong-Yuk Won; Hyuk-Choon Kwon; Sang-Kook Han (IEICE Trans. Commun., 2007)

Thermal Characteristics of All-Optical ADM Using Fiber Bragg Gratings and Mach-Zehnder Interferometer for WDM Optical Communication Networks. - Yong-Hwan Son; Yong-Yuk Won; Sang-Kook Han (NCM (1), 2008)

Bidirectional Gigabit Millimeter-Wave Wavelength Division Multiplexed-Radio over Fiber Link Using a Reflective Semiconductor Optical Amplifier. - Dae-Won Lee; Yong-Yuk Won; Sang-Kook Han (IEICE Trans. Commun., 2008)

Inter-cell interference mitigation and indoor positioning system based on carrier allocation visible light communication. - Hyun-Seung Kim; Deok-Rae Kim; Se-Hoon Yang; Yong-Hwan Son; Sang-Kook Han (ICSPCS, 2011)

AMO-OFDM Signal Delivery of 20 Gbit/S throughput in 20-Km Single Loopback Fiber Link Employing Baseband I/Q Separation - Adaptive Optical OFDM Modulation and Separate I/Q Baseband Signal Transmission with Remotely-fed RSOAs for Colorless ONU in Next-generation WDM Access. - Jeong-Min Joo; Moon-Ki Hong; Dung Tien Pham; Sang-Kook Han (DCNET/ICE-B/OPTICS, 2012)

Wavelength initialization technique for colorless gigabit WDM-PON. - Eui-Suk Jung; Eun-Gu Lee; Sil-Gu Mun; Jong Hyun Lee; Yong-Yuk Won; Sang Soo Lee; Sang-Kook Han (ICTC, 2012)

Mitigation of Inter-Cell Interference Utilizing Carrier Allocation in Visible Light Communication System. - Hyun-Seung Kim; Deok-Rae Kim; Se-Hoon Yang; Yong-Hwan Son; Sang-Kook Han (IEEE Commun. Lett., 2012)

Investigation of RF phase and power variation by high optical power in visible light communication. - Hyun-Seung Kim; Sang-Kook Han (APCC, 2013)

Optical beating interference reduction in DMT based passive optical network by using homodyne balanced detection technique. - Sang-Min Jung; Yong-Yuk Won; Sang-Kook Han (ICTC, 2013)

Indoor Location Estimation Based on LED Visible Light Communication Using Multiple Optical Receivers. - Se-Hoon Yang; Eun-Mi Jung; Sang-Kook Han (IEEE Commun. Lett., 2013)

Colorless Two Different Gigabit Data Access Transmissions Using Optical Double Sideband Suppressed Carrier and Optical Sideband Slicing. - Yong-Yuk Won; Moon-Ki Hong; Yong-Hwan Son; Sang-Kook Han (JOCN, 2013)

Mitigation of the polarization sensitivity in OFDMA PON uplink transmission. - Sang-Min Jung; Kyung-Hak Mun; Sang-Kook Han (ICOIN, 2015)

AMO-FBMC for reduction of multiple access interference between asynchronous ONUs in PON. - Sun-Young Jung; Sang-Min Jung; Sang-Kook Han (OFC, 2015)

Multi-band OFDMA based passive optical network with windowing technique for asynchronous multiple access. - Chang-Hun Kim; Sang-Min Jung; Sun-Young Jung; Soo-Min Kang; Sang-Kook Han (ICOIN, 2016)

Reduction of inter-cell interference in asynchronous multi-cellular VLC by using OFDMA-based cell partitioning. - Sun-Young Jung; Do-Hoon Kwon; Se-Hoon Yang; Sang-Kook Han (ICTON, 2016)

All-optical virtual private network based on microwave photonic bandpass filter in OFDM-PON system. - Chang-Hun Kim; Sang-Min Jung; Sang-Kook Han (ICTON, 2016)

Timing-Offset-Tolerant Universal-Filtered Multicarrier Passive Optical Network for Asynchronous Multiservices-Over-Fiber. - Soo-Min Kang; Chang-Hun Kim; Sang-Min Jung; Sang-Kook Han (JOCN, 2016)

Carrier-suppressed reflective coherent passive optical network uplink transmission for optical interference mitigation. - Sang-Min Jung; Kyoung-Hak Mun; Soo-Min Kang; Sang-Kook Han (ICTON, 2017)

A novel OBI noise reduction technique by using similar-OBI estimation in optical multiple access uplink. - Hyoung Joon Park; Chang-Hoon Kim; Sun-Young Jung; Sang-Kook Han (ICTON, 2017)

Channel Robust Free Space Optical Transmission Using Differential On-Off Keying Technique. - Won-Ho Shin; Sang-Kook Han (ICTON, 2019)

Scintillation Suppression by Gain Saturated SOA with Differential Signal Transmission in Free Space Optical Communication. - Yan-Qing Hong; Won-Ho Shin; Sang-Kook Han (OECC/PSC, 2019)

3D Visible Light Indoor Positioning by Bokeh Based Optical Intensity Measurement in Smartphone Camera. - Joon-Woo Lee; Sung-Jin Kim; Sang-Kook Han (IEEE Access, 2019)

Hexagonal QAM-Based Four-Dimensional AMO-OFDM for Spectrally Efficient Optical Access Network Transmission. - Hyoung Joon Park; Soo-Min Kang; Inho Ha; Sang-Kook Han (IEEE Access, 2019)

Demo: A Unified Platform of Free-Space Optics for High-Quality Video Transmission. - Hong-Bae Jeon; Hyung-Joo Moon; Soo-Min Kim; Do-Hoon Kwon; Joon-Woo Lee; Sang-Kook Han; Chan-Byoung Chae (WCNC Workshops, 2020)

Enhancement of Spectral Efficiency FSO Links Using Linear Polarizer-Based MLPolSK Detection. - Yan-Qing Hong; Won-Ho Shin; Sang-Kook Han (IEEE Access, 2020)

Performance of Scintillation Mitigation for Linear Polarization Shift On-Off Keying Transmission in Free-Space Optical Communications. - Yan-Qing Hong; Won-Ho Shin; Sang-Kook Han (IEEE Access, 2020)

Multiple Access Noise Compensation in CO-OFDMA-PON Uplink Transmission Using Digital Phase Conjugated-Pilot Tones. - Soo-Min Kang; Hyoung Joon Park; Inho Ha; Sang-Kook Han (IEEE Access, 2020)

SOA-Based Scintillation-Suppressed MLPolSK Detection in FSO Communications. - Yan-Qing Hong; Sang-Kook Han (OFC, 2021)

Stochastic Approximation Aided Adaptive Thresholding for Optical Detection in PAM4 Based FSO Transmission. - Jae-Young Choi; Joon-Woo Lee; Sang-Kook Han (IEEE Access, 2021)

SOP Change Robust Optical Modulation Based on Dual Polarization Modulation for Multi-Dimensional Optical Transmission. - Inho Ha; Joung-Moon Lee; Sang-Kook Han (IEEE Access, 2021)

Power Efficiency Analysis of Spatial Diversity Based Vertical FSO Links With Pointing Error in Multiple Beam Transmissions. - Sung-Jin Kim; Sang-Kook Han (IEEE Access, 2022)

Inter-Signal Distortion Analysis in Multidimensional QAM-MDPSK Modulation Optical Access Transmissions. - Joungmoon Lee; Inho Ha; Jinwoo Park; Sang-Kook Han (IEEE Access, 2022)

Efficient MIMO Configuration for Bi-Directional Vertical FSO Link with Multiple Beam Induced Pointing Error. - Sung-Jin Kim; Sang-Kook Han (Sensors, 2022)

Constellation Shaped 3D HQAM-DPSK Modulation for Single Wavelength Multi-Dimensional Optical Transmission. - Jinwoo Park; Inho Ha; Joungmoon Lee; Sang-Kook Han (IEEE Access, 2023)

Adaptive Beam Divergence Control to Mitigate Scintillation Effect Caused by Pointing Error in Vertical FSO Transmissions. - Hye-Min Park; Young-Jin Hyun; Sang-Kook Han (Sensors, 2023)

Free-Space Optical Communications for 6G Wireless Networks: Challenges, Opportunities, and Prototype Validation. - Hong-Bae Jeon; Soo-Min Kim; Hyung-Joo Moon; Do-Hoon Kwon; Joon-Woo Lee; Jong-Moon Chung; Sang-Kook Han; Chan-Byoung Chae; Mohamed-Slim Alouini (IEEE Commun. Mag., 2023)

Mitigation of Dispersion-Induced Power Fading in Broadband Intermediate-Frequency-over-Fiber Transmission using Space-Time Block Coding. - Jinwoo Park; Joungmoon Lee; Inho Ha; Sang-Kook Han (OFC, 2024)

Interdimensional Interference Equalizing Using Recurrent Neural Network for Multi-Dimensional Optical Transmission. - Inho Ha; Joung-Moon Lee; Jinwoo Park; Sang-Kook Han (IEEE Access, 2024)

Enhanced Communication Efficiency in Nanosatellite FSO Systems Using Pointing Error Optimization. - Hye-Min Park; Young-Jin Hyun; Sang-Kook Han (ICAIIC, 2025)