Monolithically Integrated Transceiver Chips for Bidirectional Optical Data Transmission

Name: Monolithically Integrated Transceiver Chips for Bidirectional Optical Data Transmission
Brand: Books on Demand
SKU: 9783734720871
Price: 144.5 RON
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Dissertation

Autor: Alexander Kern

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Vertical-cavity surface-emitting lasers (VCSELs) emitting at 850 nm wavelength are known for their a...

Informații despre carte

Autor

Alexander Kern

Limbă

engleză

Legare

Carte - Carte broșată

Publicat

2016

Pagini

196

EAN

9783734720871

ISBN

3734720877

Enbook ID

02934129

Editura

Books on Demand

Greutate

240

Dimensiuni

148 x 210 x 11

Descriere completă

Vertical-cavity surface-emitting lasers (VCSELs) emitting at 850 nm wavelength are known for their attractive optical features and a continuously growing range of applications. The main goal of the present thesis is to demonstrate the feasibility of a monolithical integration of VCSELs with PIN-type photodiodes (PDs) for the operation as transceiver (TRx) chips in optical data links. The project milestones comprise the chip and the epitaxial layer design of the VCSEL-PIN PD device based on a traditional AlGaAs/GaAs material system, its fabrication development, electro-optical characterizations, and data transmission in a bidirectional optical link over a single, two-side butt-coupled standard graded-index (GI) multimode fiber (MMF). The monolithic design lowers the costs in the semiconductor technology as well as in packaging and additionally avoids the use of external optics, even though it is employed with a single 50 µm core diameter GI MMF. Thus, the very compact optical link saves space, weight, and module cost.§Deep insights into the electro-optical properties of VCSELs and PIN PDs are given by the theoretical description and measurements. The limitations of small-signal modulation responses are of main interest of this thesis. Thus, the dynamic characteristics including the extraction of modeled parasitics are presented. Also the electrical and optical crosstalk between the integrated devices and both transmission channels as well as the fiber alignment tolerances are covered. The results in optical data transmission consisting of various experiments in half-duplex and full-duplex mode, both free-space and fiber-coupled over a single MMF are comprised.§The monolithic TRx design is well suited for low-cost, compact optical links over distances of a few hundred meters. Capable to handle data rates of up to 10 Gbit/s and more, these TRx chips can be employed, e.g., to upgrade existing standard MMF networks to bidirectional operation or in mobile, low-cost, automotive networks.

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Monolithically Integrated Transceiver Chips for Bidirectional Optical Data Transmission

Dissertation

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Descriere completă

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