Optical frequency comb generation for DWDM transmission over 25- to 50-km standard single-mode fiber

Rahat Ullah; Liu Bo; Mao Yaya; Sibghat Ullah; Muhammad Saad Khan; Feng Tian; Amjad Ali; Ibrar Ahmad; Xiang jun Xin

doi:10.1117/1.OE.57.1.010501

4 January 2018 Optical frequency comb generation for DWDM transmission over 25- to 50-km standard single-mode fiber

Rahat Ullah, Liu Bo, Mao Yaya, Sibghat Ullah, Muhammad Saad Khan, Feng Tian, Amjad Ali, Ibrar Ahmad, Xiang jun Xin

Author Affiliations +

Optical Engineering, Vol. 57, Issue 1, 010501 (January 2018). https://doi.org/10.1117/1.OE.57.1.010501

Abstract

Dense wavelength division multiplexed (DWDM) transmission equal to 1.2 Tbps over 25 to 50 km across standard single-mode fiber (SSMF) in the C band is performed based on an optical frequency comb generator. Sixty-one flattened optical frequency tones were realized with 30-GHz frequency spacing, high side-mode suppression ratio over 35 dB, and minimum amplitude difference was realized using amplitude modulator for first time in cascade mode with two Mach–Zehnder modulators (MZMs) where all the modulators were tailored by RF signals. 20×61 Gbps DWDM-based differential quadrature phase shift keying modulated signals were successfully transmitted over SSMF and analyze its transmission capability for range of 25 to 50 km with acceptable power penalties and bit error rates.

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Rahat Ullah, Liu Bo, Mao Yaya, Sibghat Ullah, Muhammad Saad Khan, Feng Tian, Amjad Ali, Ibrar Ahmad, and Xiang jun Xin "Optical frequency comb generation for DWDM transmission over 25- to 50-km standard single-mode fiber," Optical Engineering 57(1), 010501 (4 January 2018). https://doi.org/10.1117/1.OE.57.1.010501

Received: 27 October 2017; Accepted: 6 December 2017; Published: 4 January 2018

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