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Quantum Dash Laser in WDM L-band Communication Systems

Author: Emad Alkhazraji

Publisher: Emad Alkhazraji

Published: 2021

Total Pages: 201

ISBN-13: 3659845094

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Wavelength division multiplexed passive optical networks are perceived as the ultimate form of next-generation passive optical network that show promising outlooks in meeting the ever-growing demand of telecommunication capacities and internet traffic. In this book, an InAs/InP quantum dash laser is investigated as an ideal contender to meeting this demand owing to is broadband emission, which allows for expanding the utilizable bandwidth away from the over-exhausted C-band and to accommodating more subscribers for less capital expenditure. Firstly, the device is inspected as a tunable light source with a total emission-wavelength tuning range of 30 nm due to its inhomogeneous active region. Thereafter, the device is investigated in two-sectioned configurations to realize other monolithic devices. Lastly, the quantum dash active region is examined in terms of its electro-absorption (EA) and electro-optic (EO) characteristics. On another front, the quantum dash laser is employed to achieve the first demonstration of WDM transmission in the L-band over a single transmitter with an aggregate data rate of 384 Gbit/s with three simultaneous channels in DP-QPSK modulation scheme.

Book Synopsis Quantum Dash Laser in WDM L-band Communication Systems by : Emad Alkhazraji

Download or read book Quantum Dash Laser in WDM L-band Communication Systems written by Emad Alkhazraji and published by Emad Alkhazraji. This book was released on 2021 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: Wavelength division multiplexed passive optical networks are perceived as the ultimate form of next-generation passive optical network that show promising outlooks in meeting the ever-growing demand of telecommunication capacities and internet traffic. In this book, an InAs/InP quantum dash laser is investigated as an ideal contender to meeting this demand owing to is broadband emission, which allows for expanding the utilizable bandwidth away from the over-exhausted C-band and to accommodating more subscribers for less capital expenditure. Firstly, the device is inspected as a tunable light source with a total emission-wavelength tuning range of 30 nm due to its inhomogeneous active region. Thereafter, the device is investigated in two-sectioned configurations to realize other monolithic devices. Lastly, the quantum dash active region is examined in terms of its electro-absorption (EA) and electro-optic (EO) characteristics. On another front, the quantum dash laser is employed to achieve the first demonstration of WDM transmission in the L-band over a single transmitter with an aggregate data rate of 384 Gbit/s with three simultaneous channels in DP-QPSK modulation scheme.

Chip-scale optical frequency comb sources for terabit communications

Author: Marin-Palomo, Pablo

Publisher: KIT Scientific Publishing

Published: 2022-11-11

Total Pages: 220

ISBN-13: 3731511290

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To keep up with the ever-increasing data transmission speed needs, data center interconnects are scaling up to provide multi-Tbit/s connectivity. These links require a high number of WDM channels, while the associated transceivers should be compact and energy efficient. Scaling the number of channels, however, is still limited by the lack of adequate optical sources. In this book, we investigate novel chip-scale frequency comb generators as multi-wavelength light sources for Tbit/s WDM links.

Book Synopsis Chip-scale optical frequency comb sources for terabit communications by : Marin-Palomo, Pablo

Download or read book Chip-scale optical frequency comb sources for terabit communications written by Marin-Palomo, Pablo and published by KIT Scientific Publishing. This book was released on 2022-11-11 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: To keep up with the ever-increasing data transmission speed needs, data center interconnects are scaling up to provide multi-Tbit/s connectivity. These links require a high number of WDM channels, while the associated transceivers should be compact and energy efficient. Scaling the number of channels, however, is still limited by the lack of adequate optical sources. In this book, we investigate novel chip-scale frequency comb generators as multi-wavelength light sources for Tbit/s WDM links.

Nanoscale Semiconductor Lasers

Author: Cunzhu Tong

Publisher: Elsevier

Published: 2019-08-06

Total Pages: 206

ISBN-13: 0128141638

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Nanoscale Semiconductor Lasers focuses on specific issues relating to laser nanomaterials and their use in laser technology. The book presents both fundamental theory and a thorough overview of the diverse range of applications that have been developed using laser technology based on novel nanostructures and nanomaterials. Technologies covered include nanocavity lasers, carbon dot lasers, 2D material lasers, plasmonic lasers, spasers, quantum dot lasers, quantum dash and nanowire lasers. Each chapter outlines the fundamentals of the topic and examines material and optical properties set alongside device properties, challenges, issues and trends. Dealing with a scope of materials from organic to carbon nanostructures and nanowires to semiconductor quantum dots, this book will be of interest to graduate students, researchers and scientific professionals in a wide range of fields relating to laser development and semiconductor technologies. Provides an overview of the active field of nanostructured lasers, illustrating the latest topics and applications Demonstrates how to connect different classes of material to specific applications Gives an overview of several approaches to confine and control light emission and amplification using nanostructured materials and nano-scale cavities

Book Synopsis Nanoscale Semiconductor Lasers by : Cunzhu Tong

Download or read book Nanoscale Semiconductor Lasers written by Cunzhu Tong and published by Elsevier. This book was released on 2019-08-06 with total page 206 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoscale Semiconductor Lasers focuses on specific issues relating to laser nanomaterials and their use in laser technology. The book presents both fundamental theory and a thorough overview of the diverse range of applications that have been developed using laser technology based on novel nanostructures and nanomaterials. Technologies covered include nanocavity lasers, carbon dot lasers, 2D material lasers, plasmonic lasers, spasers, quantum dot lasers, quantum dash and nanowire lasers. Each chapter outlines the fundamentals of the topic and examines material and optical properties set alongside device properties, challenges, issues and trends. Dealing with a scope of materials from organic to carbon nanostructures and nanowires to semiconductor quantum dots, this book will be of interest to graduate students, researchers and scientific professionals in a wide range of fields relating to laser development and semiconductor technologies. Provides an overview of the active field of nanostructured lasers, illustrating the latest topics and applications Demonstrates how to connect different classes of material to specific applications Gives an overview of several approaches to confine and control light emission and amplification using nanostructured materials and nano-scale cavities

Quantum Dot Based Mode Locked Lasers for Optical Frequency Combs

Author: Cosimo Calo

Publisher:

Published: 2014

Total Pages: 0

ISBN-13:

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Optical frequency combs, generating tens of equally spaced optical carriers from a single laser source, are very attractive for next-generation wavelength division multiplexing (WDM) communication systems. This PhD thesis presents a study on the optical frequency combs generated by mode-locked laser diodes based on low-dimensional semiconductor nanostructures. In this work, the mode-locking performances of single-section Fabry-Pérot lasers based on different material systems are compared on the basis of the optical spectrum width, the timing jitter and pulse generation capabilities. Then, noticing that InAs quantum dashes grown on InP exhibit on average better characteristics than other examined materials, their unique properties in terms of comb stability and pulse chirp are studied in more detail. Laser chirp, in particular, is first investigated by frequency resolved optical gating (FROG) characterizations. Then, chromatic dispersion of the laser material is assessed in order to verify whether it can account for the large chirp values measured by FROG. For that, a high sensitivity optical frequency-domain reflectometry setup is used and its measurement capabilities are extensively studied and validated. Finally, the combs generated by quantum dash mode-locked lasers are successfully employed for high data rate transmissions using direct-detection optical orthogonal frequency division multiplexing. Terabit per second capacities, as well as the low cost of this system architecture, appear to be particularly promising for future datacom applications.

Book Synopsis Quantum Dot Based Mode Locked Lasers for Optical Frequency Combs by : Cosimo Calo

Download or read book Quantum Dot Based Mode Locked Lasers for Optical Frequency Combs written by Cosimo Calo and published by . This book was released on 2014 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical frequency combs, generating tens of equally spaced optical carriers from a single laser source, are very attractive for next-generation wavelength division multiplexing (WDM) communication systems. This PhD thesis presents a study on the optical frequency combs generated by mode-locked laser diodes based on low-dimensional semiconductor nanostructures. In this work, the mode-locking performances of single-section Fabry-Pérot lasers based on different material systems are compared on the basis of the optical spectrum width, the timing jitter and pulse generation capabilities. Then, noticing that InAs quantum dashes grown on InP exhibit on average better characteristics than other examined materials, their unique properties in terms of comb stability and pulse chirp are studied in more detail. Laser chirp, in particular, is first investigated by frequency resolved optical gating (FROG) characterizations. Then, chromatic dispersion of the laser material is assessed in order to verify whether it can account for the large chirp values measured by FROG. For that, a high sensitivity optical frequency-domain reflectometry setup is used and its measurement capabilities are extensively studied and validated. Finally, the combs generated by quantum dash mode-locked lasers are successfully employed for high data rate transmissions using direct-detection optical orthogonal frequency division multiplexing. Terabit per second capacities, as well as the low cost of this system architecture, appear to be particularly promising for future datacom applications.

Silicon-organic hybrid (SOH) electro-optic modulators for high-speed and power-efficient communications

Author: Wolf, Stefan

Publisher: KIT Scientific Publishing

Published: 2018-09-28

Total Pages: 196

ISBN-13: 3731508109

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Book Synopsis Silicon-organic hybrid (SOH) electro-optic modulators for high-speed and power-efficient communications by : Wolf, Stefan

Download or read book Silicon-organic hybrid (SOH) electro-optic modulators for high-speed and power-efficient communications written by Wolf, Stefan and published by KIT Scientific Publishing. This book was released on 2018-09-28 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Handbook of Optoelectronic Device Modeling and Simulation

Author: Joachim Piprek

Publisher: CRC Press

Published: 2017-10-10

Total Pages: 835

ISBN-13: 149874947X

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• Provides a comprehensive survey of fundamental concepts and methods for optoelectronic device modeling and simulation. • Gives a broad overview of concepts with concise explanations illustrated by real results. • Compares different levels of modeling, from simple analytical models to complex numerical models. • Discusses practical methods of model validation. • Includes an overview of numerical techniques.

Book Synopsis Handbook of Optoelectronic Device Modeling and Simulation by : Joachim Piprek

Download or read book Handbook of Optoelectronic Device Modeling and Simulation written by Joachim Piprek and published by CRC Press. This book was released on 2017-10-10 with total page 835 pages. Available in PDF, EPUB and Kindle. Book excerpt: • Provides a comprehensive survey of fundamental concepts and methods for optoelectronic device modeling and simulation. • Gives a broad overview of concepts with concise explanations illustrated by real results. • Compares different levels of modeling, from simple analytical models to complex numerical models. • Discusses practical methods of model validation. • Includes an overview of numerical techniques.

Frontiers in Guided Wave Optics and Optoelectronics

Author: Bishnu Pal

Publisher: BoD – Books on Demand

Published: 2010-02-01

Total Pages: 694

ISBN-13: 9537619826

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As the editor, I feel extremely happy to present to the readers such a rich collection of chapters authored/co-authored by a large number of experts from around the world covering the broad field of guided wave optics and optoelectronics. Most of the chapters are state-of-the-art on respective topics or areas that are emerging. Several authors narrated technological challenges in a lucid manner, which was possible because of individual expertise of the authors in their own subject specialties. I have no doubt that this book will be useful to graduate students, teachers, researchers, and practicing engineers and technologists and that they would love to have it on their book shelves for ready reference at any time.

Book Synopsis Frontiers in Guided Wave Optics and Optoelectronics by : Bishnu Pal

Download or read book Frontiers in Guided Wave Optics and Optoelectronics written by Bishnu Pal and published by BoD – Books on Demand. This book was released on 2010-02-01 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt: As the editor, I feel extremely happy to present to the readers such a rich collection of chapters authored/co-authored by a large number of experts from around the world covering the broad field of guided wave optics and optoelectronics. Most of the chapters are state-of-the-art on respective topics or areas that are emerging. Several authors narrated technological challenges in a lucid manner, which was possible because of individual expertise of the authors in their own subject specialties. I have no doubt that this book will be useful to graduate students, teachers, researchers, and practicing engineers and technologists and that they would love to have it on their book shelves for ready reference at any time.

WDM Systems and Networks

Author: Neophytos (Neo) Antoniades

Publisher: Springer Science & Business Media

Published: 2011-12-08

Total Pages: 536

ISBN-13: 1461410932

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Modeling, Simulation, Design and Engineering of WDM Systems and Networks provides readers with the basic skills, concepts, and design techniques used to begin design and engineering of optical communication systems and networks at various layers. The latest semi-analytical system simulation techniques are applied to optical WDM systems and networks, and a review of the various current areas of optical communications is presented. Simulation is mixed with experimental verification and engineering to present the industry as well as state-of-the-art research. This contributed volume is divided into three parts, accommodating different readers interested in various types of networks and applications. The first part of the book presents modeling approaches and simulation tools mainly for the physical layer including transmission effects, devices, subsystems, and systems), whereas the second part features more engineering/design issues for various types of optical systems including ULH, access, and in-building systems. The third part of the book covers networking issues related to the design of provisioning and survivability algorithms for impairment-aware and multi-domain networks. Intended for professional scientists, company engineers, and university researchers, the text demonstrates the effectiveness of computer-aided design when it comes to network engineering and prototyping.

Book Synopsis WDM Systems and Networks by : Neophytos (Neo) Antoniades

Download or read book WDM Systems and Networks written by Neophytos (Neo) Antoniades and published by Springer Science & Business Media. This book was released on 2011-12-08 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modeling, Simulation, Design and Engineering of WDM Systems and Networks provides readers with the basic skills, concepts, and design techniques used to begin design and engineering of optical communication systems and networks at various layers. The latest semi-analytical system simulation techniques are applied to optical WDM systems and networks, and a review of the various current areas of optical communications is presented. Simulation is mixed with experimental verification and engineering to present the industry as well as state-of-the-art research. This contributed volume is divided into three parts, accommodating different readers interested in various types of networks and applications. The first part of the book presents modeling approaches and simulation tools mainly for the physical layer including transmission effects, devices, subsystems, and systems), whereas the second part features more engineering/design issues for various types of optical systems including ULH, access, and in-building systems. The third part of the book covers networking issues related to the design of provisioning and survivability algorithms for impairment-aware and multi-domain networks. Intended for professional scientists, company engineers, and university researchers, the text demonstrates the effectiveness of computer-aided design when it comes to network engineering and prototyping.

Quantum Dot Lasers

Author: Victor Mikhailovich Ustinov

Publisher:

Published: 2003

Total Pages: 306

ISBN-13: 9780198526797

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The book addresses issues associated with physics and technology of injection lasers based on self-organized quantum dots. Fundamental and technological aspects of quantum dot edge-emitting lasers and VCSELs, their current status and future prospects are summarized and reviewed. Basic principles of QD formation using self-organization phenomena are reviewed. Structural and optical properties of self-organized QDs are considered with a number of examples in different material systems. Recent achievements in controlling the QD properties including the effects of vertical stacking, changing the matrix bandgap and the surface density of QDs are reviewed. The authors focus on the use of self-organized quantum dots in laser structures, fabrication and characterization of edge and surface emitting diode lasers, their properties and optimization with special attention paid to the relationship between structural and electronic properties of QDs and laser characteristics. The threshold and power characteristics of the state-of-the-art QD lasers are demonstrated. Issues related to the long-wavelength (1.3-mm) lasers on a GaAs substrate are also addressed and recent results on InGaAsN-based diode lasers presented for the purpose of comparison.

Book Synopsis Quantum Dot Lasers by : Victor Mikhailovich Ustinov

Download or read book Quantum Dot Lasers written by Victor Mikhailovich Ustinov and published by . This book was released on 2003 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book addresses issues associated with physics and technology of injection lasers based on self-organized quantum dots. Fundamental and technological aspects of quantum dot edge-emitting lasers and VCSELs, their current status and future prospects are summarized and reviewed. Basic principles of QD formation using self-organization phenomena are reviewed. Structural and optical properties of self-organized QDs are considered with a number of examples in different material systems. Recent achievements in controlling the QD properties including the effects of vertical stacking, changing the matrix bandgap and the surface density of QDs are reviewed. The authors focus on the use of self-organized quantum dots in laser structures, fabrication and characterization of edge and surface emitting diode lasers, their properties and optimization with special attention paid to the relationship between structural and electronic properties of QDs and laser characteristics. The threshold and power characteristics of the state-of-the-art QD lasers are demonstrated. Issues related to the long-wavelength (1.3-mm) lasers on a GaAs substrate are also addressed and recent results on InGaAsN-based diode lasers presented for the purpose of comparison.

Fiber-optic Communication Systems

Author: Govind P. Agrawal

Publisher:

Published: 2002

Total Pages: 546

ISBN-13: 9789814126601

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CD-ROM contains: a software package for designing fiber-optic communication systems called "OptiSystem Lite" and a set of problems for each chapter.

Book Synopsis Fiber-optic Communication Systems by : Govind P. Agrawal

Download or read book Fiber-optic Communication Systems written by Govind P. Agrawal and published by . This book was released on 2002 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: CD-ROM contains: a software package for designing fiber-optic communication systems called "OptiSystem Lite" and a set of problems for each chapter.