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한기호 한국물리학회 2012 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.61 No.8
Theoretical modeling and simulation for investigation of degree-of-polarization trapping in local area during compensation of polarization mode dispersion are presented and performed. The simulation results show that the occurrence and characteristics of unwanted local convergent peaks and ridges depend on condition of both differential group delay and launch angle of optical signal to input principal state of polarization of fiber transmission link, and the required escape angle from those local trapping areas can be found and determined.
한기호 한국물리학회 2013 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.62 No.6
An improved in-band, optical signal-to-noise ratio (OSNR)-monitoring method suppressing the effects of both polarization mode dispersion (PMD) and the polarization extinction ratio of a polarization beam splitter (PBS) by using enhanced tracking of the principal states of polarization is proposed and theoretically and experimentally demonstrated. The experimental results show that the OSNR measured by using the proposed method agrees well, within an error of 1 dB, with the OSNR measured by using an optical spectrum analyzer (OSA). The proposed per-channel OSNR monitoring method was demonstrated to be applicable to future dynamically-reconfigurable wavelength-division-multiplexed (WDM) optical networks.
한기호,Han, Gi-Ho 대한출판문화협회 1998 출판저널 Vol.242 No.-
90년대 중반 페미니즘을 기치로 들고 나온 작품이면 문학적 성취도와 상관 없이 큰 호응을 받았다. 95년에는 보다 공격적인 내용의 페미니즘 책이 출간되었고, 전계층의 여성독자로부터 열렬한 호응을 받았다. 그러나 최근 들어 반페미니즘은 역공세에 실달린ㄷ. 이러한 현상은 진정한 페미니즘으로 가기 위한 과정이 아닐까.