Improved dispersion tolerance of a Mach-Zehnder modulator by optimizing the modulator voltage and time delay

Hyunwoo Yoo; Junhyop Song; Yonghoon Kim; Jichai Jeong; Jae Hoon Lee

doi:10.1016/j.optcom.2009.11.071

Improved dispersion tolerance of a Mach-Zehnder modulator by optimizing the modulator voltage and time delay

Hyunwoo Yoo, Junhyop Song, Yonghoon Kim, Jichai Jeong, Jae Hoon Lee

Research output: Contribution to journal › Article

2 Citations (Scopus)

Abstract

We present a method for improving the dispersion tolerance of a dual-arm Mach-Zehnder modulator by independently optimizing the applied voltage on each arm and the time delay between them. We found a significant improvement in the dispersion tolerance. Using the negative chirp effect and the time delay, it was possible to extend the transmission distance of 10 Gbit/s optical nonreturn-to-zero signals without any additional electrical or optical components.

Original language	English
Pages (from-to)	1316-1319
Number of pages	4
Journal	Optics Communications
Volume	283
Issue number	7
DOIs	https://doi.org/10.1016/j.optcom.2009.11.071
Publication status	Published - 2010 Apr 1

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Keywords

Dispersion
Fiber optics communications
Lithium niobate (LiNbO) modulator
Modulation

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Electrical and Electronic Engineering
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry

Cite this

Yoo, H., Song, J., Kim, Y., Jeong, J., & Lee, J. H. (2010). Improved dispersion tolerance of a Mach-Zehnder modulator by optimizing the modulator voltage and time delay. Optics Communications, 283(7), 1316-1319. https://doi.org/10.1016/j.optcom.2009.11.071

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AU - Song, Junhyop

AU - Kim, Yonghoon

AU - Jeong, Jichai

AU - Lee, Jae Hoon

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AB - We present a method for improving the dispersion tolerance of a dual-arm Mach-Zehnder modulator by independently optimizing the applied voltage on each arm and the time delay between them. We found a significant improvement in the dispersion tolerance. Using the negative chirp effect and the time delay, it was possible to extend the transmission distance of 10 Gbit/s optical nonreturn-to-zero signals without any additional electrical or optical components.

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KW - Fiber optics communications

KW - Lithium niobate (LiNbO) modulator

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Access to Document

10.1016/j.optcom.2009.11.071