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Wyszukujesz frazę "photonic integrated circuits" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Photonic integrated circuits - a new approach to laser technology
Autorzy:
Piramidowicz, R.
Stopiński, S.
Ławniczuk, K.
Welikow, K.
Szczepański, P.
Leijtens, X.
Smit, M.
Powiązania:
https://bibliotekanauki.pl/articles/201657.pdf
Data publikacji:
2012
Wydawca:
Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:
integrated optoelectronics
laser technology
photonic integrated circuits
indium phosphide
Opis:
In this work a brief review on photonic integrated circuits (PICs) is presented with a specific focus on integrated lasers and amplifiers. The work presents the history of development of the integration technology in photonics and its comparison to microelectronics. The major part of the review is focused on InP-based photonic integrated circuits, with a short description of the potential of the silicon technology. A completely new way of fabrication of PICs, called generic integration technology, is presented and discussed. The basic assumption of this approach is the very same as in the case of electronic circuits and states that a limited set of standard components, both active and passive, enables designing of a complex, multifunctional PIC of every type. As a result, functionally advanced, compact, energy efficient and cost-optimized photonic devices can be fabricated. The work presents also selected examples of active PICs like multiwavelength laser sources, discretely tunable lasers, WDM transmitters, ring lasers etc.
Źródło:
Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 4; 683-689
0239-7528
Pojawia się w:
Bulletin of the Polish Academy of Sciences. Technical Sciences
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Heterostructure photonic crystal multichannel drop filter based on microcavities and ring resonators
Autorzy:
Amirkhani-Shahraki, A
Shahraki, M N
Mosavi, M.R.
Powiązania:
https://bibliotekanauki.pl/articles/174469.pdf
Data publikacji:
2014
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
finite difference time domain method
ring resonators
heterostructure
microcavities
photonic crystal integrated circuits
Opis:
In this paper, a heterostructure photonic crystal multichannel drop filter based on ring resonators and microcavities is presented. This structure has been made in the form of a two-dimensional square lattice with two regions with refractive indexes of 3.464 and 3.86. The refractive indexes are so chosen as to allow the easy and practical fabrication of the device. The presented heterostructure photonic crystal multichannel drop filter consists of a waveguide, two ring resonators and a microcavity. This microcavity is placed at the end of the bus waveguide. The ring resonators have been installed in two regions with different refractive indexes. These ring resonators act as energy couplers, and at their resonance frequencies, they capture the electromagnetic energy which is transmitted in the bus waveguide. Filter characteristics have been obtained by using the finite difference time domain method. Finally, we will demonstrate that in the optimal structure, at ports B and D (vertical), drop efficiencies close to 90% and 67%, respectively, can be obtained within the third communication window, and at port C (horizontal), an efficiency of almost 80% can be achieved within the second communication window.
Źródło:
Optica Applicata; 2014, 44, 1; 5-15
0078-5466
1899-7015
Pojawia się w:
Optica Applicata
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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