Relevant bibliographies by topics / Couplage photodiode

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  1. Journal articles
  2. Dissertations / Theses
  3. Conference papers

Academic literature on the topic 'Couplage photodiode'

Author: Grafiati
Published: 4 June 2021
Last updated: 5 February 2022

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Journal articles on the topic "Couplage photodiode"

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Orsal, B., R. Alabedra, M. Valenza, G. Lecoy, J. Meslage, and C. Boisrobert. "Les photodiodes à avalanche Hg0,4Cd0,6Te à λ = 1,55 μm. Bruit près de la résonance due au couplage spin-orbite." Revue de Physique Appliquée 22, no. 4 (1987): 227–33. http://dx.doi.org/10.1051/rphysap:01987002204022700.

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Biffi, Carlo Alberto, and Barbara Previtali. "Investigation of the Hole Shape in Pulsed Fiber Laser Microdrilling of Nanostructured Titanium." Key Engineering Materials 473 (March 2011): 999–1007. http://dx.doi.org/10.4028/www.scientific.net/kem.473.999.

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The request of small features resulting from high productive and good quality processes has been growing in several industrial fields, such as micromechanical, microelectronic and biomedical sectors. In conjunction with this demand from industries, innovative laser sources such as pulsed fiber lasers, are becoming the answer to the machining of innovative and hard to process materials, such as the nanostructured metallic alloys. The pulsed fiber lasers indeed offer a very precise and small dimension tool able to work with high productivity and small thermal alteration, which is of fundamental importance when nanostractured alloys are machined. In this work an experimental study on percussion microdrilling of 0.7 mm thick nanostructured titanium sheets by means of a nanosecond pulsed fiber laser was performed. In particular, the entrance and exit hole quality as well as the shape of the inner hole were investigated as a function of pulse frequency and process time. The drilling time was firstly measured by means of a couple of fast infrared photodiodes. Then, the effect of the process time, immediately before and after the measured drilling time, and pulse frequency on the hole geometry was investigated. Moreover, the evolution of the machined holes as a function of the process time was discussed.
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Soares, Francisco M., Moritz Baier, Tom Gaertner, Norbert Grote, Martin Moehrle, Tobias Beckerwerth, Patrick Runge, and Martin Schell. "InP-Based Foundry PICs for Optical Interconnects." Applied Sciences 9, no. 8 (April 17, 2019): 1588. http://dx.doi.org/10.3390/app9081588.

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This paper describes a fabrication process for realizing Indium-Phosphide-based photonic-integrated circuits (PICs) with a high level of integration to target a wide variety of optical applications. To show the diversity in PICs achievable with our open-access foundry process, we illustrate two examples: a fully-integrated 20 Gb/s dual-polarization electro-absorption-modulated laser, and a balanced detector composed of avalanche photodiodes for detection of 28 Gb/s optical signals. On another note, datacenters are increasingly relying on hybrid integration of PICs from different technology platforms to increase transmission capacity, while simultaneously lowering cost, size, and power consumption. Several technology platforms require surface coupling rather than the traditional edge coupling to couple the light from one PIC to another. To accommodate the surface-coupling approach in our integration platform, we have developed a strategy to transfer the following optical Input/Output devices into our fabrication process: grating couplers, and vertical mirrors. In addition, we introduced etched facets into the process to improve the usability of our edge-coupling elements. We believe that the additional flexibility in Input/Output interfacing combined with the integration of multiple devices onto one PIC to reduce the number of PIC-to-PIC alignments can contribute significantly to the development of compact, low-cost, and high-performance datacenter modules.
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Dissertations / Theses on the topic "Couplage photodiode"

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Latry, Olivier. "Théorie des modes locaux dans les guides perturbés application : couplage fibre optique - photodiode PIN." Rouen, 1995. http://www.theses.fr/1995ROUE5001.

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La réduction des dimensions des composants optoélectroniques constitue une contrainte importante pour un couplage optimal avec la fibre optique. Le but recherché étant de focaliser le maximum de lumière à l'intérieur de la couche intrinsèque de la photodiode, il faudrait donc envisager de réduire le diamètre de la fibre optique. Une étude du bout de la fibre est également menée et montre que pour une forme lentillée appropriée, il est possible d'adapter la distribution d'énergie entre fibre optique et photodiode. Le calcul du champ le long de ce guide de dimensions lentement décroissantes utilise la méthode des modes locaux. Cette méthode est employée car il n'y a pas de solutions exactes aux équations de Maxwell. En réalité, le champ total est la superposition des champs locaux et du champ radiatif. Les pertes d'énergie le long de ce guide sont analysées avec la théorie du couplage des modes locaux. On obtient alors un bilan le long de ce guide que l'on cherche à optimiser. La comparaison de ces résultats avec la simulation numérique quasi 3 D de la propagation optique guidée sur ALCOR est également réalisée. Ceci permet de définir la structure la mieux adaptée pour un couplage optimum entre la fibre et le composant
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Thibon, Clément. "Intégrations et applications de résonateurs fort Q cryogéniques." Limoges, 2009. https://aurore.unilim.fr/theses/nxfile/default/82e6c6b9-e41c-4e41-8aea-cd095f7a77e1/blobholder:0/2009LIMO4062.pdf.

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Ces travaux de recherches s’inscrivent dans le cadre de l’utilisation de résonateurs cryogéniques à fort coefficient de surtension pour le filtrage hyperfréquence et pour la métrologie du temps et des fréquences. Les procédés cryogéniques permettent d’une part l’utilisation de matériaux supraconducteurs, et d’autre part de profiter des caractéristiques avantageuses des matériaux diélectriques à basse température. Dans le premier chapitre, un protocole novateur a été élaboré afin de caractériser des filtres planaires supraconducteurs en bande C. Dans le chapitre 2, des prototypes fonctionnels ont permis de caractériser les différentes solutions passives permettant d’accéder au filtre via une fibre optique afin de réduire le poids et le volume des équipements adjacents. Dans le dernier chapitre, des résonateurs saphir cryogéniques ont été dimensionnés afin de créer les conditions nécessaires à la création d’une oscillation de type MASER
These research works have been done in order to use high-Q cryogenic resonators for HF filters and time and frequency metrology. Cryogenic process allows using superconducting materials and advantages of low–temperature dielectric materials. The first chapter describes a new setup to test C-band planar superconducting filters. The second one presents prototypes using optoelectronic devices to decrease the weight and the volume of equipments connected to the previous filter. In the last chapter, cryogenic sapphire resonators have been designed to allow necessary conditions for a MASER effect
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Palakodety, Atmaram. "CMOS Active Pixel Sensors for Digital Cameras: Current State-of-the-Art." Thesis, University of North Texas, 2007. https://digital.library.unt.edu/ark:/67531/metadc3631/.

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Image sensors play a vital role in many image sensing and capture applications. Among the various types of image sensors, complementary metal oxide semiconductor (CMOS) based active pixel sensors (APS), which are characterized by reduced pixel size, give fast readouts and reduced noise. APS are used in many applications such as mobile cameras, digital cameras, Webcams, and many consumer, commercial and scientific applications. With these developments and applications, CMOS APS designs are challenging the old and mature technology of charged couple device (CCD) sensors. With the continuous improvements of APS architecture, pixel designs, along with the development of nanometer CMOS fabrications technologies, APS are optimized for optical sensing. In addition, APS offers very low-power and low-voltage operations and is suitable for monolithic integration, thus allowing manufacturers to integrate more functionality on the array and building low-cost camera-on-a-chip. In this thesis, I explore the current state-of-the-art of CMOS APS by examining various types of APS. I show design and simulation results of one of the most commonly used APS in consumer applications, i.e. photodiode based APS. We also present an approach for technology scaling of the devices in photodiode APS to present CMOS technologies. Finally, I present the most modern CMOS APS technologies by reviewing different design models. The design of the photodiode APS is implemented using commercial CAD tools.
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Jhu, Zan-Jia, and 朱贊嘉. "The Flip-Chip Bonding integrated Near-Ballistic Transport UTC Photodiode and Coplanar Couple Line Filter at K Band for optoelectronic mixing." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/29n4d9.

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碩士
國立中央大學
電機工程研究所
96
The optoelectronic mixer plays an important role in radio-over-fiber system due to the LO signal of emitter and receiver can be simply synchronized through optical LO signal from base station without expensive and complex phase-lock electrical LO signal. Therefore, we demonstrated an optoelectronic mixer by binding the near-ballistic uni-traveling-carrier photodiode (BUTC-PD) and planar coupled line filter together through flip-chip assembly technology. Low internal up-conversion loss as low as 4.3dB, and wide up-conversion bandwidth (>10GHz) have been achieved simultaneously.
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Conference papers on the topic "Couplage photodiode"

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Knispel, G., J. A. Miehe, J. M. Roth, and F. Tomasini. "Mesure D'impulsions Lumineuses Dans Le Domaine Des Picosecondes A L'aide D'un Reseau De Photodiodes Reticon Couple A Une Camera A Balayage De Fente." In International Topical Meeting on Image Detection and Quality, edited by Lucien F. Guyot. SPIE, 1987. http://dx.doi.org/10.1117/12.966798.

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