Semiconductor-based modulators

Hiroshi Yasaka; Yasuo Shibata

doi:10.1007/978-3-319-42367-8_8

Semiconductor-based modulators

Hiroshi Yasaka, Yasuo Shibata

RIEC - Information Communication Platforms Division

Nippon Telegraph & Telephone

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

2 Citations (Scopus)

Abstract

The chapter starts with a comparison of methods to generate digital optical signals: direct laser modulation, electroabsorption and Mach-Zehnder interferometer modulators. Next follows an in-depth treatment of physical effects which are utilized for semiconductor-based modulators (plasma-, Franz-Keldysh-, quantumconfined Stark-, and electro-optic (Pockels) effect), and their exploitation for InPand GaAs-based modulators with specific emphasis on aspects of high-speed modulator design. Modulator characteristics including eye diagrams obtained for different implementations and various operation conditions illustrate the current state-of-theart, and the chapter concludes with a section on modulators for higher order modulation formats.

Original language	English
Title of host publication	Springer Series in Optical Sciences
Publisher	Springer Verlag
Pages	359-416
Number of pages	58
DOIs	https://doi.org/10.1007/978-3-319-42367-8_8
Publication status	Published - 2017 Feb 1

Publication series

Name	Springer Series in Optical Sciences
Volume	161
ISSN (Print)	0342-4111
ISSN (Electronic)	1556-1534

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10.1007/978-3-319-42367-8_8

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AB - The chapter starts with a comparison of methods to generate digital optical signals: direct laser modulation, electroabsorption and Mach-Zehnder interferometer modulators. Next follows an in-depth treatment of physical effects which are utilized for semiconductor-based modulators (plasma-, Franz-Keldysh-, quantumconfined Stark-, and electro-optic (Pockels) effect), and their exploitation for InPand GaAs-based modulators with specific emphasis on aspects of high-speed modulator design. Modulator characteristics including eye diagrams obtained for different implementations and various operation conditions illustrate the current state-of-theart, and the chapter concludes with a section on modulators for higher order modulation formats.

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Semiconductor-based modulators

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