Abstrak - Teknologi informasi yang memiliki tiga unsur utama yaitu perangkat keras, perangkat lunak, dan pelaksana sebagai komponen utamanya ini sangat sulit dipisahkan dari banyak hal dalam kehidupan industri. PT. Indo Ocean Logistic adalah salah satu perusahaan PMD yang menyediakan jasa pengiriman eksport dan import untuk kargo peti kemas bermuatan penuh (Full Container Load / FCL) dan maupun kargo yang bermuatan sedikit (Less than Container Load / LCL) melalui laut (sea freight), darat (inland) maupun udara (air freight), dimana proses jasa pengiriman ekspor pada perusahaan ini masih berjalan sangat lambat, dan data yang dihasilkan kurang akurat. Untuk itu penulis mencoba membuat Sistem Informasi Jasa Pengiriman Ekspor Pada PT. Indo Ocean Logistic Jakarta yang terkomputerisasi. Sistem informasi berbasis komputerisasi merupakan solusi terbaik dalam pemecahan berbagai masalah kegiatan tersebut, dan dengan penerapan sistem diharapkan dapat tercapainya efektifitas dan efisiensi dalam menunjang aktifitas di PT. Indo Ocean Logistic.Kata Kunci: berbasis web, jasa pengiriman ekspor, sistem informasi.Abstract - Information technology that has three main elements, namely hardware, software, and implementers as its main component is very difficult to separate from many things in industrial life. PT. Indo Ocean Logistic is one of the PMD companies that provide export and import delivery services for the cargo of fully charged containers (Full Container Load/FCL) and the cargo that is charged slightly (Less than Container Load/LCL) by sea (sea freight), Land (inland) and air (air freight), where the process of export delivery services in the company is still running very slowly, and the data produced is less accurate. Therefore, the author tried to create a system of information export delivery service at PT. Indo Ocean Logistic Jakarta Computerized. Computerized-based information system is the best solution in solving various problems of the activities, and with the implementation of the system is expected to achieve effectiveness and efficiency in supporting activities in PT. Indo Ocean Logistic.Keywords: export shipping services, information system, web based.
In view of recent developments in the utilization of terahertz (THz) communications technology for the increasing demands of high speed and data rates for various wireless applications, this research work targets the design and analysis of distributed Bragg reflector (DBR)based hybrid plasmonic THz waveguide. This THz waveguide operates at a frequency range from 2.5 to 3.5 THz. The proposed DBR-based hybrid plasmonic THz waveguide consists of DBR layers of gallium arsenide (GaAs) and aluminum arsenide, high-density polyethylene (HDPE) as substrate, a GaAs stripe for wave-guidance, and few layers of graphene layers in HDPE for better confinement. To increase the light confinement between DBR and graphene, a GaAs strip is placed into HDPE. By altering the width and height of the GaAs strip, the parameters birefringence, mode field diameter (MFD), confinement loss, effective mode area, beat length, and dispersion have been fully examined. The obtained simulation results shows high birefringence of 0.6276, maximum MFD of 45 mm, low confinement loss of 7.5 × 10 −9 mm −1 , high effective mode area of 16.5 mm 2 , and low anomalous dispersion of 0.0023 (ps/THz/cm) in the range of 2.5 to 3.5 THz. This optimized THz waveguide may helps to enable in guided THz applications for photonic integrated circuits.
Terahertz (THz) technology is emerging field and is fascinating to the researchers who are working with photonics integrated circuits. With technological advancements and developments for various applications, a novel distributed Bragg reflector (DBR) based hybrid plasmonic terahertz waveguide (HPTW) is proposed and designed to operate at 3 THz with Graphene, Gallium Arsenide (GaAs), High-density Polyethylene (HDPE) and Aluminium Gallium Arsenide (AlGaAs) is discussed in this work. To bring the confinement of the THz wave in a small mode area efficiently, a stripe is introduced between graphene and DBR in HDPE. The normalized mode area is decreased to about 3.733 x 10-3 µm2 by reducing the stripe’s width from 20 to 14 µm with a constant of stripe’s height of 1 µm. The Figure of Merit (FOM) and Propagation Length (PL) increases inversely in correspondence with the stripe’s width from 1.4 to 4.8 and 6 to 16.8 µm respectively.
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