1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver
A new optoelectronic oscillator (OEO) is implemented for a novel self-sustained flat-topped self-oscillating optical frequency comb generator (SO-OFCG), which can be deployed in terahertz optical transmission. The OFCG is designed from a cascaded configuration of an electro-absorption modulator and...
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2024-01-01
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| Series: | IEEE Photonics Journal |
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| Online Access: | https://ieeexplore.ieee.org/document/10471229/ |
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| author | Rahat Ullah Sibghat Ullah Shuaidong Chen Ahmad Almadhor Abdullah A. Al-Atawi Ren Jianxin Maqbool Khan Giovanni Pau |
| author_facet | Rahat Ullah Sibghat Ullah Shuaidong Chen Ahmad Almadhor Abdullah A. Al-Atawi Ren Jianxin Maqbool Khan Giovanni Pau |
| author_sort | Rahat Ullah |
| collection | DOAJ |
| description | A new optoelectronic oscillator (OEO) is implemented for a novel self-sustained flat-topped self-oscillating optical frequency comb generator (SO-OFCG), which can be deployed in terahertz optical transmission. The OFCG is designed from a cascaded configuration of an electro-absorption modulator and a polarization controller. In this work, the radio frequency source of a traditional-OFC scheme is replaced by the OEO. The frequency spacing of the generated spectrum is defined by the OEO∼20 GHz that contains 15-healthy frequency tones. The carriers are modulated using the 16-quadrature amplitude modulation technique and transmitted across an SSMF implemented in a loop to complete a fiber span of 80 km-240 km. Overall, 1.12Tbps transmission can be achieved with the help of the given setup. At the receiver side, a homodyne coherent receiver is designed using the proposed OFCG to receive the signal. The conventional local oscillator lasers are replaced by the SO-OFCG generated from the received central optical carrier. Through offline DSP, the received optical signals are remunerated from various signal distortions and nonlinear impairments by utilizing digital backpropagation, constant modulus algorithm, and blind phase search algorithm at the receiving end. The system is analyzed regarding the bit error rate, symbol error rate, Q-factor, and error vector magnitude. |
| format | Article |
| id | doaj-art-69afa8d694ff464fa2663ea529746311 |
| institution | Matheson Library |
| issn | 1943-0655 |
| language | English |
| publishDate | 2024-01-01 |
| publisher | IEEE |
| record_format | Article |
| series | IEEE Photonics Journal |
| spelling | doaj-art-69afa8d694ff464fa2663ea5297463112025-07-01T23:58:46ZengIEEEIEEE Photonics Journal1943-06552024-01-011621710.1109/JPHOT.2024.3376424104712291.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and ReceiverRahat Ullah0https://orcid.org/0000-0003-4797-2184Sibghat Ullah1https://orcid.org/0000-0001-6351-4904Shuaidong Chen2https://orcid.org/0000-0002-0334-5405Ahmad Almadhor3https://orcid.org/0000-0002-8665-1669Abdullah A. Al-Atawi4https://orcid.org/0000-0001-9968-8092Ren Jianxin5https://orcid.org/0000-0002-0752-7476Maqbool Khan6https://orcid.org/0000-0001-7656-0184Giovanni Pau7https://orcid.org/0000-0002-5798-398XInstitute of Physics and Optoelectronics, Nanjing University of Information Science & Technology, Nanjing, ChinaSchool of Electronic Science and Engineering, Southeast University, Nanjing, ChinaInstitute of Physics and Optoelectronics, Nanjing University of Information Science & Technology, Nanjing, ChinaDepartment of Computer Engineering and Networks, College of Computer and Information Sciences, Jouf University, Sakaka, Saudi ArabiaDepartment of CS, Applied College, University of Tabuk, Tabuk, Saudi ArabiaInstitute of Physics and Optoelectronics, Nanjing University of Information Science & Technology, Nanjing, ChinaPak-Austria Fachhochschule-Institute of Applied Sciences and Technology, Haripur, PakistanFaculty of Engineering and Architecture, Kore University of Enna, Enna, ItalyA new optoelectronic oscillator (OEO) is implemented for a novel self-sustained flat-topped self-oscillating optical frequency comb generator (SO-OFCG), which can be deployed in terahertz optical transmission. The OFCG is designed from a cascaded configuration of an electro-absorption modulator and a polarization controller. In this work, the radio frequency source of a traditional-OFC scheme is replaced by the OEO. The frequency spacing of the generated spectrum is defined by the OEO∼20 GHz that contains 15-healthy frequency tones. The carriers are modulated using the 16-quadrature amplitude modulation technique and transmitted across an SSMF implemented in a loop to complete a fiber span of 80 km-240 km. Overall, 1.12Tbps transmission can be achieved with the help of the given setup. At the receiver side, a homodyne coherent receiver is designed using the proposed OFCG to receive the signal. The conventional local oscillator lasers are replaced by the SO-OFCG generated from the received central optical carrier. Through offline DSP, the received optical signals are remunerated from various signal distortions and nonlinear impairments by utilizing digital backpropagation, constant modulus algorithm, and blind phase search algorithm at the receiving end. The system is analyzed regarding the bit error rate, symbol error rate, Q-factor, and error vector magnitude.https://ieeexplore.ieee.org/document/10471229/Terahertz broadband transmissionself-oscillationoptical frequency combquadrature amplitude modulationoptoelectronic oscillation loop |
| spellingShingle | Rahat Ullah Sibghat Ullah Shuaidong Chen Ahmad Almadhor Abdullah A. Al-Atawi Ren Jianxin Maqbool Khan Giovanni Pau 1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver IEEE Photonics Journal Terahertz broadband transmission self-oscillation optical frequency comb quadrature amplitude modulation optoelectronic oscillation loop |
| title | 1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver |
| title_full | 1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver |
| title_fullStr | 1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver |
| title_full_unstemmed | 1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver |
| title_short | 1.12Tbps-16QAM Uncompensated Long-Haul Transmission Employing a New Self-Oscillating Optical Frequency Comb Generator Both at Transmitter and Receiver |
| title_sort | 1 12tbps 16qam uncompensated long haul transmission employing a new self oscillating optical frequency comb generator both at transmitter and receiver |
| topic | Terahertz broadband transmission self-oscillation optical frequency comb quadrature amplitude modulation optoelectronic oscillation loop |
| url | https://ieeexplore.ieee.org/document/10471229/ |
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