Zobrazeno 1 - 10
of 41
pro vyhledávání: '"Jeung Mo Kang"'
Publikováno v:
Optical Engineering. 60
A derivative and subtractive equalization (DSE), which simultaneously transmits both four-level pulse amplitude modulation (PAM-4) and discrete multitone (DMT) signals encoded by quadrature amplitude phase shift keying (QPSK) with the same bandwidth,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::be741edf2449386acd4330a29b36df52
https://doi.org/10.1117/1.oe.60.11.116101
https://doi.org/10.1117/1.oe.60.11.116101
Publikováno v:
Microelectronics Reliability. 49:1231-1235
We have proposed a new concept of metal package by which we can estimate the lifetime of blue light-emitting diode (LED) chips with high accuracy. Components in conventional LED package which may obscure the degradation behavior of LED chip itself we
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e9225d714f5256ae96e03aeb9338f2a4
https://doi.org/10.1016/j.microrel.2009.07.052
https://doi.org/10.1016/j.microrel.2009.07.052
Publikováno v:
Optical and Quantum Electronics. 41:349-362
The performance of pre-amplified cross-phase modulation (XPM) wavelength converter with a continuous wave (CW) holding beam has been theoretically investigated. To increase the input power dynamic range of the pre-amplified XPM wavelength converter,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d2890c064921132f8eec84beee821a03
https://doi.org/10.1007/s11082-009-9350-x
https://doi.org/10.1007/s11082-009-9350-x
Publikováno v:
IET Optoelectronics. 1:77-81
A novel up-stream transmitter for wavelength division multiplexed-passive optical network (WDM-PON) using a self-seeded reflective semiconductor optical amplifier (RSOA) was proposed. The RSOA was self-seeded by an amplified spontaneous emission itse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::479882fb6e0b8c81aa34676b6c9d7103
https://doi.org/10.1049/iet-opt:20050116
https://doi.org/10.1049/iet-opt:20050116
Publikováno v:
Journal of Lightwave Technology. 24:3392-3399
The authors have proposed, simulated, and experimentally demonstrated all-optical multiple logic gates using two parallel semiconductor optical amplifier (SOA)-Mach-Zehnder interferometer (MZI) structures that enable simultaneous operations of variou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bab6966bee9e3a2b4b1e77ced87e03a1
https://doi.org/10.1109/jlt.2006.880593
https://doi.org/10.1109/jlt.2006.880593
Publikováno v:
Microwave and Optical Technology Letters. 48:2306-2309
The effect of noise on the transmission performance of an RSOA-utilized bidirectional hybrid WDM/SCM-PON link is experimen- tally analyzed. The link used in experiment allows 33-km bidirectional transmission with 622-Mbps NRZ signal for downstream an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50559780e3d705b4978461452e1de421
https://doi.org/10.1002/mop.21896
https://doi.org/10.1002/mop.21896
Publikováno v:
Optics Communications. 254:223-235
We propose and demonstrate a novel single to multi-wavelength converter using a Fabry–Perot laser diode (FP-LD) and linear optical amplifier (LOA) which is based on the cross gain modulation (XGM). It can convert an input signal to many wavelengths
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2002724a37db07c96d9a387e59d92fcf
https://doi.org/10.1016/j.optcom.2005.05.048
https://doi.org/10.1016/j.optcom.2005.05.048
Publikováno v:
Optics Communications. 242:141-145
We propose and experimentally demonstrate an optical 2R limiter circuit for improvement of cross gain modulation (XGM) wavelength converter performance. The 2R limiter circuit based on a hybrid Mach–Zehnder Interferometer provides a non-inverted ou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fda46f6c39a51c30e21ca0f9429c2ec0
https://doi.org/10.1016/j.optcom.2004.08.002
https://doi.org/10.1016/j.optcom.2004.08.002
Publikováno v:
Microwave and Optical Technology Letters. 36:131-134
The performance of a pre-amplified cross-phase modulation (XPM) wavelength converter has been theoretically investigated. We showed that the pre-amplifier enhances the input optical power dynamic range by 3 dB. The additional 4-dB improvement of the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0fbadd80385ff7ab8a38c11d40d29798
https://doi.org/10.1002/mop.10697
https://doi.org/10.1002/mop.10697
Autor:
Ho Ki Kwon, Jae-Wook Kim, Sang-Kook Han, Jeong-Hyeon Choi, Jeung Mo Kang, Pyung Sik Oh, Du Hyun Kim
Publikováno v:
physica status solidi c. 7:2205-2207
This paper reports the degradation characteristics of blue GaN-LED (Gallium Nitride-light emitting diode) chip related to various packages. Three types of package have been considered to investigate degradation characteristics in this study. One pack
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8dffc8f36268a91513db2688fd20febc
https://doi.org/10.1002/pssc.200983512
https://doi.org/10.1002/pssc.200983512