Performance comparisons of chromatic dispersion-monitoring techniques using pilot tones KJ Park, CJ Youn, JH Lee, YC Chung
IEEE Photonics Technology Letters 15 (6), 873-875, 2003
71 2003 OSNR monitoring technique based on orthogonal delayed-homodyne method CJ Youn, KJ Park, JH Lee, YC Chung
Optical Fiber Communication Conference and Exhibit, 22-24, 2002
44 2002 Field demonstration of 100-Gb/s real-time coherent optical OFDM detection N Kaneda, T Pfau, H Zhang, J Lee, YK Chen, CJ Youn, YH Kwon, ...
Journal of Lightwave Technology 33 (7), 1365-1372, 2015
33 2015 3× 485-Gb/s WDM transmission over 4800 km of ULAF and 12× 100-GHz WSSs using CO-OFDM and single coherent detection with 80-GS/s ADCs X Liu, S Chandrasekhar, PJ Winzer, B Zhu, DW Peckham, S Draving, ...
National Fiber Optic Engineers Conference, JThA037, 2011
31 2011 Method and apparatus for transmitting and receiving coherent optical OFDM CJ Youn, Y Kwon, DJ Kim, JH Kim, JS Choe, KS Choi, ES Nam
US Patent 9,270,381, 2016
30 2016 Channel estimation and synchronization for polarization-division multiplexed CO-OFDM using subcarrier/polarization interleaved training symbols CJ Youn, X Liu, S Chandrasekhar, YH Kwon, JH Kim, JS Choe, DJ Kim, ...
Optics Express 19 (17), 16174-16181, 2011
29 2011 Experimental filtering effect on the daylight operation of a free-space quantum key distribution H Ko, KJ Kim, JS Choe, BS Choi, JH Kim, Y Baek, CJ Youn
Scientific reports 8 (1), 15315, 2018
26 2018 A simultaneous monitoring technique for polarization-mode dispersion and group-velocity dispersion KJ Park, JH Lee, CJ Youn, YC Chung
Optical Fiber Communication Conference, WE4, 2002
26 2002 Silica Planar Lightwave Circuit Based Integrated 1 4 Polarization Beam Splitter Module for Free-Space BB84 Quantum Key Distribution JS Choe, H Ko, BS Choi, KJ Kim, CJ Youn
IEEE Photonics Journal 10 (1), 1-8, 2018
21 2018 High-speed and high-performance polarization-based quantum key distribution system without side channel effects caused by multiple lasers H Ko, BS Choi, JS Choe, KJ Kim, JH Kim, CJ Youn
Photonics Research 6 (3), 214-219, 2018
20 2018 Critical side channel effects in random bit generation with multiple semiconductor lasers in a polarization-based quantum key distribution system H Ko, BS Choi, JS Choe, KJ Kim, JH Kim, CJ Youn
Optics express 25 (17), 20045-20055, 2017
20 2017 Optical frequency monitoring technique using arrayed-waveguide grating and pilot tones CJ Youn, SK Shin, KJ Park, YC Chung
Electronics Letters 37 (16), 1, 2001
18 2001 Optical path, wavelength and power monitoring technique using frequency-modulated pilot tones KJ Park, CJ Youn, JH Lee, YC Chung
Optical Fiber Communication Conference, 2004. OFC 2004 2, 3 pp. vol. 2, 2004
17 2004 Polarization division multiplexed optical orthogonal frequency division multiplexing transmitter and receiver CJ Youn, Y Kwon, JH Kim, JS Choe, KS Choi, K Heo, ES Nam
US Patent 8,693,459, 2014
16 2014 Simple full-range carrier frequency offset estimation for high speed CO-OFDM HY Rha, CJ Youn, ES Nam, HW Choi
Optics express 21 (20), 23896-23906, 2013
16 2013 Spectrum-sliced bidirectional WDM PON DK Jung, CJ Youn, HG Woo, YC Chung
Optical Fiber Communication Conference, WJ6, 2000
16 2000 Advanced unambiguous state discrimination attack and countermeasure strategy in a practical B92 QKD system H Ko, BS Choi, JS Choe, CJ Youn
Quantum Information Processing 17, 1-14, 2018
15 2018 Polarization-insensitive one-way quantum key distribution receiver, transmitter/receiver system CJ Youn, TG Noh
US Patent 8,477,939, 2013
15 2013 Chromatic dispersion monitoring technique in WDM network KJ Park, CJ Youn, JH Lee, YC Chung
Optical Fiber Communication Conference and Exhibit, 735-737, 2002
15 2002 An efficient and frequency-offset-tolerant channel estimation and synchronization method for PDM CO-OFDM transmission CJ Youn, X Liu, S Chandrasekhar, YH Kwon, JH Kim, JS Choe, KS Choi, ...
36th European Conference and Exhibition on Optical Communication, 1-3, 2010
14 2010