Search Results - "Lee, Man Seop"

A Zone-Based Approach for Scalable Dynamic Traffic Grooming in Large WDM Mesh Networks by HO, Quang-Dzung, LEE, Man-Seop

“…Dynamic traffic grooming in optical mesh networks is one of the most important and practical problems for designing wavelength-division-multiplexing networks…”
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Fabrication of optical splitter and passive alignment technique with a femtosecond laser by Sohn, Ik-Bu, Lee, Man-Seop, Chung, Jeong-Yong

“…A novel packaging process using a femtosecond laser has been developed for passive alignment of planar lightwave circuit devices. With only one step of…”
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Pluggable Optical Board Interconnection System With Flexible Polymeric Waveguides by Ahn, Seung-Ho, Cho, In-Kui, Rhee, Byoung-Ho, Lee, Man-Seop

“…Pluggable optical board interconnection system using flexible optical waveguide for direct-coupling to reduce the transmission loss is proposed and…”
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Time-efficient optimal wavelength assignment in optical WDM networks with conversion capability by HO, Quang-Dzung, LEE, Man-Seop

“…In wavelength-routed optical networks (WRONs), a wavelength assignment algorithm which can optimally utilize wavelength converters is strongly desired. In this…”
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Colorizing stainless steel surface by femtosecond laser induced micro/nano-structures by Ahsan, Md. Shamim, Ahmed, Farid, Kim, Yeong Gyu, Lee, Man Seop, Jun, Martin B.G.

“…[Display omitted] ► We demonstrate colorizing of stainless steel by laser induced periodic microholes. ► We also colorized stainless steel by femtosecond laser…”
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Formation of superhydrophobic soda-lime glass surface using femtosecond laser pulses by Ahsan, Md. Shamim, Dewanda, Fadia, Lee, Man Seop, Sekita, Hitoshi, Sumiyoshi, Tetsumi

“…[Display omitted] ▸ We formed superhydrophobic soda-lime glass surface by femtosecond laser pulses. ▸ Periodic microstructures are printed on the glass surface…”
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Burst-mode penalty of AC-coupled optical receivers optimized for 8B/10B line code by Han, S., Man-Seop Lee

“…We present an ac-coupled scheme for burst-mode optical receivers optimized for 8B/10B line code. The cutoff frequencies of the ac-coupled circuits are…”
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Near-field modification of femtosecond laser beam to enhance single-shot pulse filamentation in glass medium by Ahmed, Farid, Shamim Ahsan, M., Seop Lee, Man, Jun, Martin B. G.

“…In this paper, a study of the effect of a transparent dielectric medium (soda-lime glass placed after an objective lens) on femtosecond pulse filamentation in…”
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Formation mechanism of nanostructures in soda–lime glass using femtosecond laser by Ahsan, Md. Shamim, Kim, Yeong Gyu, Lee, Man Seop

“…This paper reports on the formation of nanostructures produced in soda–lime glass by controlling the irradiation conditions of a single-beam femtosecond laser…”
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Display glass cutting by femtosecond laser induced single shot periodic void array by Ahmed, Farid, Lee, Man Seop, Sekita, Hitoshi, Sumiyoshi, Tetsumi, Kamata, Masanao

“…We propose an idea of fast cutting a display glass plate where the sample is pre-processed micromachining single shot rear-surface and internal void arrays…”
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Electrically band-limited CSRZ signal with simple generation and large dispersion tolerance for 40-Gb/s WDM transmission systems by Dong-Soo Lee, Man Seop Lee, Yang Jing Wen, Nirmalathas, A.

“…We present a novel configuration for carrier-suppressed return-to-zero (CSRZ) signal generation, which only requires a single-stage Mach-Zehnder modulator in…”
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Design and analysis of spatially variant microlens-array diffuser with uniform illumination for short-range infrared wireless communications using photometric approach by Soo Lee, Dong, Min, Seong-sik, Seop Lee, Man

“…A microlens-array was designed to transform the Gaussian radiation pattern of a point source to the uniform illumination in the far field, which can be used as…”
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Electrically band-limited CSRZ-DPSK signal with a simple transmitter configuration and reduced linear crosstalk in high spectral efficiency DWDM systems by Dong-Soo Lee, Man Seop Lee, Yang Jing Wen, Nirmalathas, A.

“…In this letter, we propose a novel transmitter configuration for generating electrically band-limited (EB) carrier-suppressed return-to-zero (CSRZ)…”
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Performance analysis of CO2 laser polished angled ribbon fiber by Sohn, Ik-Bu, Choi, Hun-Kook, Noh, Young-Chul, Lee, Man-Seop, Oh, Jin-Kyoung, Kim, Seong-min, Ahsan, Md. Shamim

“…•Achieved CO2 laser assisted polishing of angled ribbon fibers.•CO2 laser polished angled ribbon fibers show smooth end faces, which can reduce mechanical…”
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A novel AC-DC Converter un-requiring inductors for power conversion by Man-Seop Lee, Young-Chang Cho, Hyeong-Woo Cha

“…A new ac-dc converter is proposed and its experimental results are also presented. This AC- DC converter does not require any inductor and any high voltage…”
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Fabrication of photonic devices directly written within glass using a femtosecond laser by Sohn, Ik-Bu, Lee, Man-Seop, Woo, Jeong-Sik, Lee, Sang-Man, Chung, Jeong-Yong

“…We present a novel method for three-dimensional optical splitter that have U-grooves, which are used for fiber alignment, within a fused silica glass using…”
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Fabrication and characterization of Angled ribbon fibers using a CO2 Laser by Hun-kook Choi, Duk Jung, Ik-Bu Sohn, Young-Chul Noh, Yong-Tak Lee, Man-Seop Lee, Jin-Kyoung Oh, Hyung-Jong Lee

“…We have produced angle at the end face of optical fibers. Repetitive experiment result illustrates its reliable and stable production of the 8 degree angle…”
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Micromachining of Grooves for Cutting Fused Silica Plates with Femtosecond Laser Pulses by Ahmed, F., Man Seop Lee

“…Micromachining of grooves and their morphologies for cutting fused silica plates are reported in this paper. A femtosecond laser (pulse width: 172 fs,…”
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Connection Level Active Rerouting in WDM Mesh Networks with Traffic Grooming Capability by Ho, Quang-dzung, Lee, Man-seop

“…In this paper, for the first time, we propose a novel rerouting approach which actively packs existing connections of different bandwidth granularities…”
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Traffic Grooming in Large Optical WDM Mesh Networks with Wavelength Conversion Capability by Ho, Quang-dzung, Lee, Man-seop

“…Dynamic traffic grooming in optical mesh networks is one of the most important and practical problems for designing WDM networks. Most of previous work solves…”
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