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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Multi-Granular Optical Path Networking Technologies

Sato, Ken-ichi January 2007 (has links)
No description available.
2

Effects of Optical Layer Protection Granularity in Survivable Hierarchical Optical Path Network

SATO, Ken-ichi, HASEGAWA, Hiroshi, YAMADA, Yoshiyuki 09 1900 (has links)
No description available.
3

Optical Technologies that Enable Green Networks

Sato, Ken-ichi January 2011 (has links)
No description available.
4

Simple Node Architectures for Connection of Two ROADM Rings Using Hierarchical Optical Path Routing

Ishii, Kiyo, Hasegawa, Hiroshi, Sato, Ken-ichi 08 1900 (has links)
No description available.
5

Evaluation of Network Parameter Dependencies of Hierarchical Optical Path Network Cost Considering Waveband Protection

Yamada, Yoshiyuki, Hasegawa, Hiroshi, Sato, Ken-ichi 10 1900 (has links)
No description available.
6

Coarse Granular Optical Routing Networks Utilizing Fine Granular Add/Drop

Sato, Ken-ichi, Hasegawa, Hiroshi, Yamada, Yoshiyuki, Taniguchi, Yuki 06 1900 (has links)
No description available.
7

Prospects and Challenges of Multi-Layer Optical Networks

HASEGAWA, Hiroshi, SATO, Ken-ichi 01 August 2007 (has links)
No description available.
8

An Efficient Hierarchical Optical Path Network Design Algorithm based on a Traffic Demand Expression in a Cartesian Product Space

Yagyu, Isao, Hasegawa, Hiroshi, Sato, Ken-ichi 08 1900 (has links)
No description available.
9

Hierarchical Optical Path Network Design Algorithm Considering Waveband Add/Drop Ratio Constraint

Le, Hai Chau, Hasegawa, Hiroshi, Sato, Ken-ichi 10 1900 (has links)
No description available.
10

Electroluminescence of Layer Thickness, Carbon Nano-particle Dopants, and Percolation Threshold Electric Conductivity of Fully Conjugated Rigid-rod Polymer

Chang, Chih-hao 02 July 2010 (has links)
Polymer light emitting diodes (PLED) were using a heterocyclic aromatic rigid-rod polymer poly-p-phenylene-benzobisoxazole (PBO) as an opto-electronically active layer; and poly(3,4-ethylenedioxythiophene):poly(4-styrenesulfonic acid) (PEDOT:PSS) as a hole transporting layer. Aluminum (Al) and indium tin oxide (ITO) were served as device cathode and anode, respectively. [6,6]-phenyl C61-butyric acid methyl ester (PC61BM) or derivatized multi-wall carbon nano-tube (MWCNT-C18), with great electron transporting ability, was doped into PBO to enhance the performance of PLED devices as well as the thin-film electrical conductivity. The optical length was changed by using different spin coating speeds and durations. From the research, the £fmax of electroluminescence (EL) was blue-shifted as PEDOT:PSS spin coating speed increased for a thinner layer. Once using a higher spin coating speed repeatedly to coat PEDOT:PSS, the £fmax of electroluminescence was red-shifted. If the PEDOT:PSS film thicknesses were similar, the EL spectra were almost the same, independent of device processing scheme. The injection current and EL intensity were enhanced by doping PC61BM or MWCNT- C18. The electric conductivity parallel to film surface (£m¡ü) was increased as the doping concentration increased. Because of the extremely different aspect ratio, the MWCNT-C18 had a lower percolation threshold concentration. Therefore, at a low MWCNT-C18 doping concentration, the injection current and the EL intensity were enhanced compared with those of PC61BM.

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