3D QAM-DPSK Optical Transmission Employing a Single Mach-Zehnder Modulator and Optical Direct Detection

Hyoung Joon Park; In Ho Ha; Soo Min Kang; Won Ho Shin; Sang Kook Han

doi:10.1109/JLT.2020.3011681

3D QAM-DPSK Optical Transmission Employing a Single Mach-Zehnder Modulator and Optical Direct Detection

Hyoung Joon Park, In Ho Ha, Soo Min Kang, Won Ho Shin, Sang Kook Han

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

We propose a novel optical transmission technique, 3D QAM-DPSK, that employs a single Mach-Zehnder modulator based on a direct detection system. Through 3D QAM-DPSK, the optical signal is simultaneously transmitted via the intensity and phase of the optical source. The QAM signal is transmitted via the intensity of the optical source, similar to conventional optical direct detection systems. The modified DPSK signal is transmitted via the phase of the optical source. As a QAM signal has two axes, and a DPSK signal has a single axis, the optical modulation technique can be treated as 3D QAM-DPSK. In the proposed optical transmission technique, signal transmission capacity and signal performance were enhanced in terms of bit error rate, as compared with ASK-DPSK. The signal transmission performance of the proposed modulation technique was numerically and experimentally demonstrated.

Original language	English
Article number	9146992
Pages (from-to)	6247-6256
Number of pages	10
Journal	Journal of Lightwave Technology
Volume	38
Issue number	22
DOIs	https://doi.org/10.1109/JLT.2020.3011681
Publication status	Published - 2020 Nov 15

Bibliographical note

Funding Information:
Manuscript received April 3, 2020; revised June 12, 2020 and July 17, 2020; accepted July 18, 2020. Date of publication July 24, 2020; date of current version November 16, 2020. This work was supported by the National Research Foundation of Korea under Grant funded by the Korea government (MSIT; Ministry of Science and ICT) under Grant 2019R1A2C3007934. (Corresponding author: Sang-Kook Han.) The authors are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea (e-mail: phjokokok@yonsei. ac.kr; 91hainho@yonsei.ac.kr; roemee817@yonsei.ac.kr; whshin0902@ yonsei.ac.kr; skhan@yonsei.ac.kr).

Funding Information:
This work was supported by the National Research Foundation of Korea under Grant funded by the Korea government (MSIT; Ministry of Science and ICT) under Grant 2019R1A2C3007934.

Publisher Copyright:
© 1983-2012 IEEE.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1109/JLT.2020.3011681

Cite this

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title = "3D QAM-DPSK Optical Transmission Employing a Single Mach-Zehnder Modulator and Optical Direct Detection",

abstract = "We propose a novel optical transmission technique, 3D QAM-DPSK, that employs a single Mach-Zehnder modulator based on a direct detection system. Through 3D QAM-DPSK, the optical signal is simultaneously transmitted via the intensity and phase of the optical source. The QAM signal is transmitted via the intensity of the optical source, similar to conventional optical direct detection systems. The modified DPSK signal is transmitted via the phase of the optical source. As a QAM signal has two axes, and a DPSK signal has a single axis, the optical modulation technique can be treated as 3D QAM-DPSK. In the proposed optical transmission technique, signal transmission capacity and signal performance were enhanced in terms of bit error rate, as compared with ASK-DPSK. The signal transmission performance of the proposed modulation technique was numerically and experimentally demonstrated.",

author = "Park, {Hyoung Joon} and Ha, {In Ho} and Kang, {Soo Min} and Shin, {Won Ho} and Han, {Sang Kook}",

note = "Funding Information: Manuscript received April 3, 2020; revised June 12, 2020 and July 17, 2020; accepted July 18, 2020. Date of publication July 24, 2020; date of current version November 16, 2020. This work was supported by the National Research Foundation of Korea under Grant funded by the Korea government (MSIT; Ministry of Science and ICT) under Grant 2019R1A2C3007934. (Corresponding author: Sang-Kook Han.) The authors are with the Department of Electrical and Electronic Engineering, Yonsei University, Seoul 120-749, South Korea (e-mail: phjokokok@yonsei. ac.kr; 91hainho@yonsei.ac.kr; roemee817@yonsei.ac.kr; whshin0902@ yonsei.ac.kr; skhan@yonsei.ac.kr). Funding Information: This work was supported by the National Research Foundation of Korea under Grant funded by the Korea government (MSIT; Ministry of Science and ICT) under Grant 2019R1A2C3007934. Publisher Copyright: {\textcopyright} 1983-2012 IEEE.",

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N2 - We propose a novel optical transmission technique, 3D QAM-DPSK, that employs a single Mach-Zehnder modulator based on a direct detection system. Through 3D QAM-DPSK, the optical signal is simultaneously transmitted via the intensity and phase of the optical source. The QAM signal is transmitted via the intensity of the optical source, similar to conventional optical direct detection systems. The modified DPSK signal is transmitted via the phase of the optical source. As a QAM signal has two axes, and a DPSK signal has a single axis, the optical modulation technique can be treated as 3D QAM-DPSK. In the proposed optical transmission technique, signal transmission capacity and signal performance were enhanced in terms of bit error rate, as compared with ASK-DPSK. The signal transmission performance of the proposed modulation technique was numerically and experimentally demonstrated.

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3D QAM-DPSK Optical Transmission Employing a Single Mach-Zehnder Modulator and Optical Direct Detection

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