› › 2021 Conference On Lasers And Electro Optics Europe And European Quantum Electronics Conference Cleo Europe Eqec

2021 Conference on Lasers and Electro Optics Europe and European Quantum Electronics Conference (CLEO Europe EQEC)

Author : IEEE Staff

Publisher :

Page : pages

File Size : 36,67 MB

Release : 2021-06-21

Category :

ISBN : 9781665448048

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Book Description

The CLEO Europe EQEC conference series has established a strong tradition as the largest, most comprehensive and prestigious gathering of optics and photonics researchers and engineers in Europe More specifically, CLEO Europe emphasizes applied physics, optical engineering and applications of photonics and laser technology, whereas EQEC addresses more basic research in laser physics, nonlinear optics and quantum optics With technical co sponsorship provided by the European Physical Society (EPS), the Institute of Electrical and Electronics Engineers (IEEE) Photonics Society, and the Optical Society (OSA), CLEO Europe and EQEC have a strong international presence in the complementary research areas of laser science, photonics and quantum electronics



Detection Efficiency and Bandwidth Optimized Electro-Optic Sampling of Mid-Infrared Waves

Author : Christina Hofer

Publisher : Springer Nature

Page : 131 pages

File Size : 47,28 MB

Release : 2022-10-27

Category : Science

ISBN : 3031153286

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Book Description

This thesis investigates the detection efficiency of field-resolved measurements of ultrashort mid-infrared waves via electro-optic sampling for the first time. Employing high-power gate pulses and phase-matched upconversion in thick nonlinear crystals, unprecedented efficiencies are achieved for octave-spanning fields in this wavelength range. In combination with state-of-the art, high-power, ultrashort mid-infrared sources, this allows to demonstrate a new regime of linear detection dynamic range for field strengths from mV/cm to MV/cm-levels. These results crucially contribute to the development of field-resolved spectrometers for early disease detection, as fundamental vibrational modes of (bio-)molecules lie in the investigated spectral range. The results are discussed and compared with previous sensitivity records for electric-field measurements and reference is made to related implementations of the described characterization technique. Including a detailed theoretical description and simulation results, the work elucidates crucial scaling laws, characteristics and limitations. The thesis will thus serve as an educational introduction to the topic of field-resolved measurements using electro-optic sampling, giving detailed instructions on simulations and experimental implementations. At the same time, it showcases the state-of-the-art in terms of detection sensitivity for characterizing mid-infrared waves.



Advances in Atomic, Molecular, and Optical Physics

Author :

Publisher : Elsevier

Page : 84 pages

File Size : 19,79 MB

Release : 2024-06-06

Category : Science

ISBN : 0443314594

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Book Description

The Advances series highlights recent developments in atomic, molecular and optical physics. Readers can learn about recent advances from articles that are comprehensive in nature. These articles often contain background material and extensive references; as such they can serve as useful source material for many years to come. - The articles are written by experts in their fields - Most articles offer readers the opportunity to learn about recent advances in atomic, molecular, and optical physics. Since there are only modest restrictions on the length of the contributions, authors have the ability to develop the subject matter in a clear fashion



New Materials and Devices Enabling 5G Applications and Beyond

Author : Nadine Collaert

Publisher : Elsevier

Page : 369 pages

File Size : 35,83 MB

Release : 2024-01-24

Category : Technology & Engineering

ISBN : 0128234504

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Book Description

New Materials and Devices for 5G Applications and Beyond focuses on the materials, device architectures and enabling integration schemes for 5G applications and emerging technologies. It gives a comprehensive overview of the trade-offs, challenges and unique properties of novel upcoming technologies. Starting from the application side and its requirements, the book examines different technologies under consideration for the different functions, both more conventional to exploratory, and within this context the book provides guidance to the reader on how to possibly optimize the system for a particular application. This book aims at guiding the reader through the technologies required to enable 5G applications, with the main focus on mm-wave frequencies, up to THz. New Materials and Devises for 5G Applications and Beyond is suitable for industrial researchers and development engineers, and researchers in materials science, device engineering and circuit design. - Reviews challenges and emerging opportunities for materials, devices, and integration to enable 5G technologies - Includes discussion of technologies such as RF-MEMs, RF FINFETs, and transistors based on current and emerging materials (InP, GaN, etc.) - Focuses on mm-wave frequencies up to the terahertz regime



Handbook of Radio and Optical Networks Convergence

Author : Tetsuya Kawanishi

Publisher : Springer Nature

Page : 1711 pages

File Size : 43,19 MB

Release : 2024-11-04

Category : Science

ISBN : 9819722829

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Book Description

This handbook provides comprehensive knowledge on device and system technologies for seamlessly integrated networks of various types of transmission media such as optical fibers and millimeter and THz waves to offer super high-speed data link service everywhere. The seamless integration of the knowledge of radio and optical technologies is needed to construct wired and wireless seamless networks. High-frequency bands such as millimeter-wave and THz-wave bands where super wideband spectra are available can offer high-speed data transmission and high-resolution sensing. However, the expected coverage is limited due to large wave propagation loss. Thus, convergence of radio and optical links is indispensable to construct worldwide networks. The radio and optical technologies share the same physics and are closely related to each other but have been developed independently. Therefore, there is a big gap between these two fields. Bridging the two fields, this handbook is also intended as a common platform to design integrated networks consisting of wireless and wired links. Full coverage of wireless and wired convergence fields ranging from basics of device and transmission media to applications allows the reader to efficiently access all the important references in this single handbook. Further, it also showcases state-of-the-art technology and cases of its use.



Electromagnetic Vortices

Author : Zhi Hao Jiang

Publisher : John Wiley & Sons

Page : 498 pages

File Size : 24,83 MB

Release : 2021-12-09

Category : Science

ISBN : 1119662877

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Book Description

Discover the most recent advances in electromagnetic vortices In Electromagnetic Vortices: Wave Phenomena and Engineering Applications, a team of distinguished researchers delivers a cutting-edge treatment of electromagnetic vortex waves, including their theoretical foundation, related wave properties, and several potentially transformative applications. The book is divided into three parts. The editors first include resources that describe the generation, sorting, and manipulation of vortex waves, as well as descriptions of interesting wave behavior in the infrared and optical regimes with custom-designed nanostructures. They then discuss the generation, multiplexing, and propagation of vortex waves at the microwave and millimeter-wave frequencies. Finally, the selected contributions discuss several representative practical applications of vortex waves from a system perspective. With coverage that incorporates demonstration examples from a wide range of related sub-areas, this essential edited volume also offers: Thorough introductions to the generation of optical vortex beams and transformation optical vortex wave synthesizers Comprehensive explorations of millimeter-wave metasurfaces for high-capacity and broadband generation of vector vortex beams, as well as orbital angular momentum (OAM) detection and its observation in second harmonic generations Practical discussions of microwave SPP circuits and coding metasurfaces for vortex beam generation and OAM-based structured radio beams and their applications In-depth examinations and explorations of OAM multiplexing for wireless communications, wireless power transmission, as well as quantum communications and simulations Perfect for students of wireless communications, antenna/RF design, optical communications, and nanophotonics, Electromagnetic Vortices: Wave Phenomena and Engineering Applications is also an indispensable resource for researchers in academia, at large defense contractors, and in government labs.



Chemical Modelling

Author : Hilke Bahmann

Publisher : Royal Society of Chemistry

Page : 217 pages

File Size : 32,82 MB

Release : 2022-12-19

Category : Science

ISBN : 1839169346

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Book Description

Chemical modelling covers a wide range of disciplines, and this book is the first stop for any chemist, materials scientist, biochemist, or molecular physicist wishing to acquaint themselves with major developments in the applications and theory of chemical modelling. Containing both comprehensive and critical reviews, it is a convenient reference to the current literature. Coverage includes, but is not limited to, considerations towards rigorous foundations for the natural-orbital representation of molecular electronic transitions, quantum and classical embedding schemes for optical properties, machine learning for excited states, ultrafast and wave function-based electron dynamics, and attosecond chemistry.



Photoacoustic and Photothermal Spectroscopy

Author : Surya N. Thakur

Publisher : Elsevier

Page : 692 pages

File Size : 42,81 MB

Release : 2022-12-07

Category : Science

ISBN : 0323972012

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Book Description

Photoacoustic and Photothermal Spectroscopy: Principles and Applications introduces the basic principles, instrumentation and major developments in the many applications of Photoacoustic and Photothermal Spectroscopy over the last three decades. The book explains the processes of sound generation by periodic optical excitation and ultrasonic generation by pulsed laser excitation and describes the workings of photoacoustic cells equipped with microphones and piezoelectric transducers. Photoacoustic imaging (PAI) is one of the fastest-growing imaging modalities of recent times. It combines the advantages of ultrasound and optical imaging techniques. These non-invasive and non-destructive techniques offer many benefits to users by enabling spectroscopy of opaque and inhomogeneous materials, (solid, liquid, powder, gel, gases) without any sample preparation, and more. - Written in a non-mathematical, simple-to-read manner - Presents recent developments in the field, along with the scope of future progress, including up-to-date references - Includes detailed illustrations, such as equipment layout, spectra, experimental setups, tables, photographs, and more





A compact mode-locked diode laser system for high precision frequency comparison experiments (Band 64)

Author : Heike Christopher

Publisher : Cuvillier Verlag

Page : 206 pages

File Size : 28,2 MB

Release : 2021-04-09

Category : Science

ISBN : 3736963998

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Book Description

Optical frequency combs (OFC) have revolutionized various applications in applied and fundamental sciences that rely on the determination of absolute optical frequencies and frequency differences. The latter requires only stabilization of the spectral distance between the individual comb lines of the OFC, allowing to tailor and reduce system complexity of the OFC generator (OFCG). One such application is the quantum test of the universality of free fall within the QUANTUS experimental series. Within the test, the rate of free fall of two atomic species, Rb and K, in micro-gravity will be compared. The aim of this thesis was the development of a highly compact, robust, and space-suitable diode laser-based OFCG with a mode-locked optical spectrum in the wavelength range around 780 nm. A diode laser-based OFCG was developed, which exceeds the requirements with a spectral bandwidth > 16 nm at 20 dBc, a comb line optical power > 650 nW (at 20 dBc), a pulse repetition rate of 3.4 GHz, and an RF linewidth of the free-running pulse repetition rate < 10 kHz. To realize a proof-of-concept demonstrator module, the diode laser-based OFCG was hybrid-integrated into a space-suitable technology platform that has been developed for future QUANTUS experiments. Proof of sufficient RF stability of the OFCG was provided by stabilizing the pulse repetition rate to an external RF reference. This resulted in a stabilized pulse repetition rate with an RF linewidth smaller than 1.4 Hz (resolution limited), thus exceeding the requirement. The developed diode laser-based OFCG represents an important step towards an improved comparison of the rate of free fall of Rb and K quantum gases within the QUANTUS experiments in micro-gravity.