Cost-effective 10-Gb/s optical duobinary transmission systems using a nonbuffered X-cut LiNbO3 Mach-Zehnder modulator

Hanlim Lee, Gyuwoong Lee, Sung Kee Kim, Heewon Cheung, Sangho Kim, Hoon Kim, Seongtaek Hwang, Yunje Oh, Jichai Jeong, Changsup Shim

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

We demonstrate a cost-effective method to implement a 10-Gb/s optical duobinary transmitter using a simple nonbuffered x-cut LiNbO3 Mach-Zehnder (MZ) modulator. The bandwidth of the modulator used in our experimental demonstration is 4 GHz. The duobinary signal generated from the nonbuffered MZ modulator exhibits a similar performance to the one using a 9-GHz bandwidth buffered MZ modulator, in terms of dispersion and self-phase modulation tolerance. Thus, the use of cost-effective nonbuffered x-cut MZ modulators will substantially relax the cost issues of duobinary transmitters, by offsetting the cost of the precoder and the encoder which are not needed in conventional ON-OFF keying transmitters.

Original languageEnglish
Pages (from-to)1188-1190
Number of pages3
JournalIEEE Photonics Technology Letters
Volume16
Issue number4
DOIs
Publication statusPublished - 2004 Apr 1

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Light transmission
Modulators
Mach number
modulators
costs
transmitters
Costs
Transmitters
Self phase modulation
bandwidth
Bandwidth
keying
coders
phase modulation
Demonstrations
lithium niobate

Keywords

  • Lithium niobate (LiNbO) modulator
  • Optical communication
  • Optical duobinary
  • Optical modulation

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Atomic and Molecular Physics, and Optics
  • Physics and Astronomy (miscellaneous)

Cite this

Cost-effective 10-Gb/s optical duobinary transmission systems using a nonbuffered X-cut LiNbO3 Mach-Zehnder modulator. / Lee, Hanlim; Lee, Gyuwoong; Kim, Sung Kee; Cheung, Heewon; Kim, Sangho; Kim, Hoon; Hwang, Seongtaek; Oh, Yunje; Jeong, Jichai; Shim, Changsup.

In: IEEE Photonics Technology Letters, Vol. 16, No. 4, 01.04.2004, p. 1188-1190.

Research output: Contribution to journalArticle

Lee, Hanlim ; Lee, Gyuwoong ; Kim, Sung Kee ; Cheung, Heewon ; Kim, Sangho ; Kim, Hoon ; Hwang, Seongtaek ; Oh, Yunje ; Jeong, Jichai ; Shim, Changsup. / Cost-effective 10-Gb/s optical duobinary transmission systems using a nonbuffered X-cut LiNbO3 Mach-Zehnder modulator. In: IEEE Photonics Technology Letters. 2004 ; Vol. 16, No. 4. pp. 1188-1190.
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