Advanced optical modulators for next-generation photonic networks

Tetsuya Kawanishi, Takahide Sakamoto

Research output: Contribution to journalArticle

Abstract

This article describes recent research activities using an NICT novel optical device, the optical frequency-shift-keying (FSK) modulator, which can provide high-speed control of optical frequency, phase and amplitude. The FSK modulator can generate various types of high-speed optical signals, precisely. We show a couple of examples of recent results on applications of the FSK modulator for next-generation optical communications systems, such as, optical FSK label processing, tunable optical buffer techniques, high-speed differential quadrature-phase-shift-keying (DQPSK) signal generation for 100 GbE and continuous-phase FSK signal generation for dense wavelength-domain-multiplexing.

Original languageEnglish
Pages (from-to)53-59
Number of pages7
JournalJournal of the National Institute of Information and Communications Technology
Volume53
Issue number2
Publication statusPublished - 2006 Jun
Externally publishedYes

Fingerprint

Frequency shift keying
Light modulators
Photonics
Modulators
Quadrature phase shift keying
Speed control
Optical communication
Optical devices
Multiplexing
Labels
Communication systems
Wavelength
Processing

Keywords

  • Frequency
  • Optical buffer
  • Optical label
  • Optical modulator
  • Phase

ASJC Scopus subject areas

  • Electrical and Electronic Engineering

Cite this

Advanced optical modulators for next-generation photonic networks. / Kawanishi, Tetsuya; Sakamoto, Takahide.

In: Journal of the National Institute of Information and Communications Technology, Vol. 53, No. 2, 06.2006, p. 53-59.

Research output: Contribution to journalArticle

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