Optical performance monitoring technique using asynchronous amplitude and phase histogramsChoi, H. Y.; Takushima, Y.; Chung, Y. C. · oe/17/26/oe-17-26-23953.pdf · 2009

Phasor monitoring of DxPSK signals using software-based synchronization techniqueChoi, H. G.; Takushima, Y.; Chung, Y. C. · oe/18/21/oe-18-21-21511.pdf · 2010

Transmission of 108-Gb/s PDM 16ADPSK signal on 25-GHz grid using non-coherent receiversTakushima, Y.; Choi, H. Y.; Chung, Y. C. · oe/17/16/oe-17-16-13458.pdf · 2009

[IEEE 2009 14th OptoElectronics and Communications Conference (OECC) - Hong Kong, China (2009.07.13-2009.07.17)] 2009 14th OptoElectronics and Communications Conference - Enhanced performance of NOLM-based 2R regenerator by using optical bandpass filterChoi, H. G.; Huh, J. Y.; Takushima, Y.; Chung, Y. C. · 2009

[IEEE 2009 14th OptoElectronics and Communications Conference (OECC) - Hong Kong, China (2009.07.13-2009.07.17)] 2009 14th OptoElectronics and Communications Conference - Enhanced sensitivity of DxPSK receiver by using data-aided phase noise estimation algorithmTakushima, Y.; Choi, H. Y.; Chung, Y. C. · 2009

[IEEE The Pacific Rim Conference on Lasers and Electro-Optics (CLEO/PACIFIC RIM) - Shanghai, China (2009.08.30-2009.08.3)] 2009 Conference on Lasers & Electro Optics & The Pacific Rim Conference on Lasers and Electro-Optics - Adjustment-free non-coherent receiver for advanced modulation formatsTakushima, Y.; Choi, H. Y.; Chung, Y. C. · 2009

[IEEE 2008 Conference on Optical Fiber Communication - OFC 2008 Collocated National Fiber Optic Engineers - San Diego, CA, USA (2008.2.24-2008.2.28)] OFC/NFOEC 2008 - 2008 Conference on Optical Fiber Communication/National Fiber Optic Engineers Conference - Plug-and-Play Phasor Monitor for DxPSK Signals Based on Single Delay-Interferometer Using a 3×3 Optical CouplerTakushima, Y.; Choi, H. Y.; Chung, Y. C. · 2008