1.
Krishnamoorthy, Aravindh; Safi, Hossein; Younus, Othman; Kazemi, Hossein; Osahon, Isaac N. O.; Liu, Mingqing; Liu, Yi; Babadi, Sina; Ahmad, Rizwana; Ihsan, Asim; Majlesein, Behnaz; Huang, Yifan; Herrnsdorf, Johannes; Rajbhandari, Sujan; McKendry, Jonathan J. D.; Tavakkolnia, Iman; Caglayan, Humeyra; Helmers, Henning; Turnbull, Graham; Samuel, Ifor D. W.; Dawson, Martin D.; Schober, Robert; Haas, Harald
Optical Wireless Communications: Enabling the Next-Generation Network of Networks Journal Article
In: IEEE Vehicular Technology Magazine, vol. 20, no. 2, pp. 20–39, 2025, ISSN: 1556-6080.
Abstract | Links | BibTeX | Tags: Bandwidth, Fiber optics, Laser beams, Optical fiber communication, Optical fibers, Optical transmitters, Terahertz communications, Vertical cavity surface emitting lasers, Wireless communication, Wireless networks
@article{krishnamoorthy_optical_2025,
title = {Optical Wireless Communications: Enabling the Next-Generation Network of Networks},
author = {Aravindh Krishnamoorthy and Hossein Safi and Othman Younus and Hossein Kazemi and Isaac N. O. Osahon and Mingqing Liu and Yi Liu and Sina Babadi and Rizwana Ahmad and Asim Ihsan and Behnaz Majlesein and Yifan Huang and Johannes Herrnsdorf and Sujan Rajbhandari and Jonathan J. D. McKendry and Iman Tavakkolnia and Humeyra Caglayan and Henning Helmers and Graham Turnbull and Ifor D. W. Samuel and Martin D. Dawson and Robert Schober and Harald Haas},
url = {https://ieeexplore.ieee.org/document/10974735},
doi = {10.1109/MVT.2025.3555366},
issn = {1556-6080},
year = {2025},
date = {2025-06-01},
urldate = {2025-10-08},
journal = {IEEE Vehicular Technology Magazine},
volume = {20},
number = {2},
pages = {20–39},
abstract = {Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks (NoNs), especially as a complementary technology to traditional radio-frequency (RF) communications, for enhancing networking capabilities beyond conventional terrestrial networks. OWC is already a mature technology with diverse usage scenarios and can enable integrated applications via wireless access and backhaul networks, dynamic drone and satellite networks, underwater networks, inter- and intrasystem interconnecting networks, and vehicular communication networks. Furthermore, novel and emerging technological opportunities such as photovoltaic cells, orbital angular momentum-based modulation, optical reconfigurable intelligent surfaces, organic light-emitting and photo diodes, and recent advances in ultraviolet communications can help to enhance future OWC capabilities even further. Moreover, OWC networks can also support value-added services such as enhanced positioning and gesture recognition. Hence, OWC provides unique functionalities that can play a crucial role in building convergent and resilient future NoNs alongside RF and optical fiber technologies.},
keywords = {Bandwidth, Fiber optics, Laser beams, Optical fiber communication, Optical fibers, Optical transmitters, Terahertz communications, Vertical cavity surface emitting lasers, Wireless communication, Wireless networks},
pubstate = {published},
tppubtype = {article}
}
Optical wireless communication (OWC) is a promising technology anticipated to play a key role in the next-generation network of networks (NoNs), especially as a complementary technology to traditional radio-frequency (RF) communications, for enhancing networking capabilities beyond conventional terrestrial networks. OWC is already a mature technology with diverse usage scenarios and can enable integrated applications via wireless access and backhaul networks, dynamic drone and satellite networks, underwater networks, inter- and intrasystem interconnecting networks, and vehicular communication networks. Furthermore, novel and emerging technological opportunities such as photovoltaic cells, orbital angular momentum-based modulation, optical reconfigurable intelligent surfaces, organic light-emitting and photo diodes, and recent advances in ultraviolet communications can help to enhance future OWC capabilities even further. Moreover, OWC networks can also support value-added services such as enhanced positioning and gesture recognition. Hence, OWC provides unique functionalities that can play a crucial role in building convergent and resilient future NoNs alongside RF and optical fiber technologies.
2.
He, Jiaxiang; Giddings, Roger P.; Jin, Wei; Hao, Ming; Tang, Jianming
Chaotic digital filter-based physical layer security with data-assisted tri-level encryption for heterogeneous access networks Journal Article
In: Journal of Optical Communications and Networking, vol. 17, no. 6, pp. 448–458, 2025, ISSN: 1943-0639.
Abstract | Links | BibTeX | Tags: Bandwidth, Chaotic communication, Encryption, Entropy, OFDM, Optical distortion, Optical fiber sensors, Optical fibers, Optical filters, Security
@article{he_chaotic_2025,
title = {Chaotic digital filter-based physical layer security with data-assisted tri-level encryption for heterogeneous access networks},
author = {Jiaxiang He and Roger P. Giddings and Wei Jin and Ming Hao and Jianming Tang},
url = {https://ieeexplore.ieee.org/document/10989603},
doi = {10.1364/JOCN.555584},
issn = {1943-0639},
year = {2025},
date = {2025-06-01},
urldate = {2025-10-08},
booktitle = {Optical Fiber Communication Conference (OFC) 2025},
journal = {Journal of Optical Communications and Networking},
volume = {17},
number = {6},
pages = {448–458},
abstract = {Due to the increasing demand for robust network cybersecurity, future communication technologies must consider security as a mandatory design feature. However, existing physical layer security techniques can be excessively complex and too expensive to support resource-constrained devices in heterogeneous access networks with high connection densities. To address this challenge, a physical layer security technique employing chaotic digital filters (CDFs) with private security keys is proposed and experimentally validated, for the first time, in a 12 Gbit/s intensity modulation and direct detection optical system with a 25 km standard single-mode fiber. Noise-like private security key-based CDFs have security key-dependent changes in amplitude and phase frequency response, with permutation entropies of textbackslashgt 0.99, thus achieving data-assisted tri-level encryption by directly distorting the data signals, inducing interferences between data signals, and also intensifying the interferences via illegal detections. As CDFs are digitally integrable and offer features of “security-by-design,” “openness-by-design,” and “dynamic security at the traffic level,” the proposed technique facilitates an open and interoperable security solution with the utmost security for heterogeneous access networks.},
keywords = {Bandwidth, Chaotic communication, Encryption, Entropy, OFDM, Optical distortion, Optical fiber sensors, Optical fibers, Optical filters, Security},
pubstate = {published},
tppubtype = {article}
}
Due to the increasing demand for robust network cybersecurity, future communication technologies must consider security as a mandatory design feature. However, existing physical layer security techniques can be excessively complex and too expensive to support resource-constrained devices in heterogeneous access networks with high connection densities. To address this challenge, a physical layer security technique employing chaotic digital filters (CDFs) with private security keys is proposed and experimentally validated, for the first time, in a 12 Gbit/s intensity modulation and direct detection optical system with a 25 km standard single-mode fiber. Noise-like private security key-based CDFs have security key-dependent changes in amplitude and phase frequency response, with permutation entropies of textbackslashgt 0.99, thus achieving data-assisted tri-level encryption by directly distorting the data signals, inducing interferences between data signals, and also intensifying the interferences via illegal detections. As CDFs are digitally integrable and offer features of “security-by-design,” “openness-by-design,” and “dynamic security at the traffic level,” the proposed technique facilitates an open and interoperable security solution with the utmost security for heterogeneous access networks.
3.
Majumder, Debparna; Bottrill, Kyle R. H.; Petropoulos, Periklis
Fibre-Based Dynamic Speckle Generation for Emulation of Atmospheric Turbulence Proceedings Article
In: 2025 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC), pp. 1–1, 2025, ISSN: 2833-1052, (ISSN: 2833-1052).
Abstract | Links | BibTeX | Tags: Emulation, Europe, Free-space optical communication, Generators, Low earth orbit satellites, Optical fibers, Phase modulation, Satellites, Speckle, System performance
@inproceedings{majumder_fibre-based_2025,
title = {Fibre-Based Dynamic Speckle Generation for Emulation of Atmospheric Turbulence},
author = {Debparna Majumder and Kyle R. H. Bottrill and Periklis Petropoulos},
url = {https://ieeexplore.ieee.org/abstract/document/11110258},
doi = {10.1109/CLEO/Europe-EQEC65582.2025.11110258},
issn = {2833-1052},
year = {2025},
date = {2025-06-01},
urldate = {2025-10-08},
booktitle = {2025 Conference on Lasers and Electro-Optics Europe & European Quantum Electronics Conference (CLEO/Europe-EQEC)},
pages = {1–1},
abstract = {Mitigating the impact of atmospheric turbulence induced speckle is a major challenge for free-space optical communications (FSOC). Such turbulence results in a multimodal, speckled beam which can be challenging to couple into the small active-area photoreceivers needed for high-bandwidth detection. Naturally, lab-based turbulence emulators are needed to benchmark FSOC system performance and develop turbulence mitigating subsystems. Common approaches to turbulence emulation include: rotating phase plates (PPs) [1], spatial light modulators (SLMs) [2] and turbulent-air generators [3]. In this work, we present a fibre-based, dynamic speckle generator, notable for its simplicity, cost-effectiveness (especially compared to SLMs and PPs), and unobtrusive in-lab use (compared to turbulent-air approaches). Unlike today's SLMs, which currently struggle to replicate the fast-changing distortion caused by high slew-rate Low-Earth-Orbit (LEO) satellite tracking, our all-fibre speckle generator can be easily scaled to faster modulation speeds (demonstrated here with a modest 230RPM).},
note = {ISSN: 2833-1052},
keywords = {Emulation, Europe, Free-space optical communication, Generators, Low earth orbit satellites, Optical fibers, Phase modulation, Satellites, Speckle, System performance},
pubstate = {published},
tppubtype = {inproceedings}
}
Mitigating the impact of atmospheric turbulence induced speckle is a major challenge for free-space optical communications (FSOC). Such turbulence results in a multimodal, speckled beam which can be challenging to couple into the small active-area photoreceivers needed for high-bandwidth detection. Naturally, lab-based turbulence emulators are needed to benchmark FSOC system performance and develop turbulence mitigating subsystems. Common approaches to turbulence emulation include: rotating phase plates (PPs) [1], spatial light modulators (SLMs) [2] and turbulent-air generators [3]. In this work, we present a fibre-based, dynamic speckle generator, notable for its simplicity, cost-effectiveness (especially compared to SLMs and PPs), and unobtrusive in-lab use (compared to turbulent-air approaches). Unlike today's SLMs, which currently struggle to replicate the fast-changing distortion caused by high slew-rate Low-Earth-Orbit (LEO) satellite tracking, our all-fibre speckle generator can be easily scaled to faster modulation speeds (demonstrated here with a modest 230RPM).
4.
Trinh, Phuc V.; Sugiura, Shinya; Xu, Chao; Hanzo, Lajos
Toward Quantum SAGINs Harnessing Optical RISs: Applications, Advances, and the Road Ahead Journal Article
In: IEEE Network, vol. 39, no. 3, pp. 215–222, 2025, ISSN: 1558-156X.
Abstract | Links | BibTeX | Tags: Airplanes, Buildings, Drones, free-space optics, Low earth orbit satellites, next-generation network, Optical beams, Optical fiber networks, Optical fibers, optical reconfigurable intelligent surface, Quantum entanglement, quantum Internet, Relays, Satellites, Space-air-ground integrated network, Space-air-ground integrated networks
@article{trinh_toward_2025,
title = {Toward Quantum SAGINs Harnessing Optical RISs: Applications, Advances, and the Road Ahead},
author = {Phuc V. Trinh and Shinya Sugiura and Chao Xu and Lajos Hanzo},
url = {https://ieeexplore.ieee.org/document/10858146},
doi = {10.1109/MNET.2025.3536848},
issn = {1558-156X},
year = {2025},
date = {2025-05-01},
urldate = {2025-10-08},
journal = {IEEE Network},
volume = {39},
number = {3},
pages = {215–222},
abstract = {The space-air-ground integrated network (SAGIN) concept is vital for the development of seamless next-generation (NG) wireless coverage, integrating satellites, unmanned aerial vehicles, and manned aircraft along with the terrestrial infrastructure to provide resilient ubiquitous communications. By incorporating quantum communications using optical wireless signals, SAGIN is expected to support a synergistic global quantum Internet alongside classical networks. However, long-distance optical beam propagation requires line-of-sight (LOS) connections in the face of beam broadening and LoS blockages. To overcome blockages among SAGIN nodes, we propose deploying optical reconfigurable intelligent surfaces (ORISs) on building rooftops. They can also adaptively control optical beam diameters for reducing losses. This article first introduces the applications of ORISs in SAGINs, then examines their advances in quantum communications for typical SAGIN scenarios. Finally, the road ahead towards the practical realization of ORIS-aided NG quantum SAGINs is outlined.},
keywords = {Airplanes, Buildings, Drones, free-space optics, Low earth orbit satellites, next-generation network, Optical beams, Optical fiber networks, Optical fibers, optical reconfigurable intelligent surface, Quantum entanglement, quantum Internet, Relays, Satellites, Space-air-ground integrated network, Space-air-ground integrated networks},
pubstate = {published},
tppubtype = {article}
}
The space-air-ground integrated network (SAGIN) concept is vital for the development of seamless next-generation (NG) wireless coverage, integrating satellites, unmanned aerial vehicles, and manned aircraft along with the terrestrial infrastructure to provide resilient ubiquitous communications. By incorporating quantum communications using optical wireless signals, SAGIN is expected to support a synergistic global quantum Internet alongside classical networks. However, long-distance optical beam propagation requires line-of-sight (LOS) connections in the face of beam broadening and LoS blockages. To overcome blockages among SAGIN nodes, we propose deploying optical reconfigurable intelligent surfaces (ORISs) on building rooftops. They can also adaptively control optical beam diameters for reducing losses. This article first introduces the applications of ORISs in SAGINs, then examines their advances in quantum communications for typical SAGIN scenarios. Finally, the road ahead towards the practical realization of ORIS-aided NG quantum SAGINs is outlined.
5.
Liu, Yi; Ali, Wajahat; Chen, Rui; Bamiedakis, Nikolaos; White, Ian H.; Haas, Harald; Crisp, Michael; Penty, Richard V.
A Scalable VCSEL-Array Optical Wireless Transmitter With Experimental Multi-Beam Prototype Journal Article
In: Journal of Lightwave Technology, pp. 1–7, 2025, ISSN: 1558-2213.
Abstract | Links | BibTeX | Tags: Arrays, Free-space optical communication, Interference, Lenses, LRDC, Microoptics, Optical arrays, optical communication equipment, Optical fibers, Optical receivers, Optical transmitters, Vertical cavity surface emitting lasers, verticalcavity surface-emitting lasers, Wireless communication
@article{liu_scalable_2025,
title = {A Scalable VCSEL-Array Optical Wireless Transmitter With Experimental Multi-Beam Prototype},
author = {Yi Liu and Wajahat Ali and Rui Chen and Nikolaos Bamiedakis and Ian H. White and Harald Haas and Michael Crisp and Richard V. Penty},
url = {https://ieeexplore.ieee.org/document/11189981},
doi = {10.1109/JLT.2025.3617131},
issn = {1558-2213},
year = {2025},
date = {2025-01-01},
urldate = {2025-10-17},
journal = {Journal of Lightwave Technology},
pages = {1–7},
abstract = {A 5×5 VCSEL array-based optical wireless communication multi-beam transmitter is designed and simulated. Each element of the array addresses a separate spatial attocell. A microlens-array based homogenizer achieves uniform coverage at the receiver plane from each multi-mode VCSEL output. 1 m2 total coverage is achieved with each attocell covering an area of 400 cm2 at a range of 3 m. For a proof-of-concept demonstration a 1×3 channel VCSEL array-based transmitter prototype is experimentally tested. The performance is verified by demonstrating three channels achieving ∼ 0.12 mW/m2 uniform power with negligible optical interference to adjacent attocells (<-14 dB). With a simple receiver design using low cost, off-the-shelf components, each channel of the transmitter achieves ∼10 Gb/s throughput using OFDM within 7 cm lateral range and > 4 Gb/s within 12 cm lateral range at 3 m. The transmitter meets eye-safety restrictions and could be scaled to 250 Gb/s aggregate data rate by employing all 25 VCSELs with independent OFDM modulation.},
keywords = {Arrays, Free-space optical communication, Interference, Lenses, LRDC, Microoptics, Optical arrays, optical communication equipment, Optical fibers, Optical receivers, Optical transmitters, Vertical cavity surface emitting lasers, verticalcavity surface-emitting lasers, Wireless communication},
pubstate = {published},
tppubtype = {article}
}
A 5×5 VCSEL array-based optical wireless communication multi-beam transmitter is designed and simulated. Each element of the array addresses a separate spatial attocell. A microlens-array based homogenizer achieves uniform coverage at the receiver plane from each multi-mode VCSEL output. 1 m2 total coverage is achieved with each attocell covering an area of 400 cm2 at a range of 3 m. For a proof-of-concept demonstration a 1×3 channel VCSEL array-based transmitter prototype is experimentally tested. The performance is verified by demonstrating three channels achieving ∼ 0.12 mW/m2 uniform power with negligible optical interference to adjacent attocells (<-14 dB). With a simple receiver design using low cost, off-the-shelf components, each channel of the transmitter achieves ∼10 Gb/s throughput using OFDM within 7 cm lateral range and > 4 Gb/s within 12 cm lateral range at 3 m. The transmitter meets eye-safety restrictions and could be scaled to 250 Gb/s aggregate data rate by employing all 25 VCSELs with independent OFDM modulation.
6.
Huang, Yi; Chen, Xiaofeng; Shen, Wei; Wei, Ziyi; Hu, Chengyong; Deng, Chuanlu; Wang, Lisen; Zhang, Qi; Chen, Wei; Zhang, Xiaobei; Chen, Lin; Jin, Wei; Tang, Jianming; Wang, Tingyun
Sidelobe Suppression Method with Improved CLEAN Algorithm for Pulse Compression OTDR Journal Article
In: IEEE Photonics Technology Letters, vol. 36, no. 22, pp. 1321–1324, 2024, ISSN: 1941-0174.
Abstract | Links | BibTeX | Tags: CLEAN algorithm, Encoding, Filtering, Optical fibers, Optical filters, Perturbation methods, phase coding, Pulse compression optical time domain reflectometry (PC-OTDR), sidelobe suppression, Signal to noise ratio, Spatial resolution
@article{huang_sidelobe_2024,
title = {Sidelobe Suppression Method with Improved CLEAN Algorithm for Pulse Compression OTDR},
author = {Yi Huang and Xiaofeng Chen and Wei Shen and Ziyi Wei and Chengyong Hu and Chuanlu Deng and Lisen Wang and Qi Zhang and Wei Chen and Xiaobei Zhang and Lin Chen and Wei Jin and Jianming Tang and Tingyun Wang},
url = {https://ieeexplore.ieee.org/document/10685474},
doi = {10.1109/LPT.2024.3465501},
issn = {1941-0174},
year = {2024},
date = {2024-11-01},
urldate = {2025-10-08},
journal = {IEEE Photonics Technology Letters},
volume = {36},
number = {22},
pages = {1321–1324},
abstract = {Although pulse compression optical time domain reflectometry (PC-OTDR) exhibits high performance in spatial resolution and dynamic range, it inevitably introduces auto-correlation sidelobes, potentially impacting measurement accuracy. In this letter, an improved CLEAN algorithm is proposed to efficiently suppress sidelobes and enhance the peak-to-sidelobe ratio (PSLR) of signals in PC-OTDR. The proposed method introduces an adaptive step factor instead of the traditional fixed factor to reduce the number of iterations. Compared to the traditional method, the proposed method achieves a 2.87 dB improvement of PSLR from a 10 km sensing fiber. In addition, the computation time cost is significantly reduced, which is 1.92 s less than that of the traditional CLEAN algorithm.},
keywords = {CLEAN algorithm, Encoding, Filtering, Optical fibers, Optical filters, Perturbation methods, phase coding, Pulse compression optical time domain reflectometry (PC-OTDR), sidelobe suppression, Signal to noise ratio, Spatial resolution},
pubstate = {published},
tppubtype = {article}
}
Although pulse compression optical time domain reflectometry (PC-OTDR) exhibits high performance in spatial resolution and dynamic range, it inevitably introduces auto-correlation sidelobes, potentially impacting measurement accuracy. In this letter, an improved CLEAN algorithm is proposed to efficiently suppress sidelobes and enhance the peak-to-sidelobe ratio (PSLR) of signals in PC-OTDR. The proposed method introduces an adaptive step factor instead of the traditional fixed factor to reduce the number of iterations. Compared to the traditional method, the proposed method achieves a 2.87 dB improvement of PSLR from a 10 km sensing fiber. In addition, the computation time cost is significantly reduced, which is 1.92 s less than that of the traditional CLEAN algorithm.
7.
Gonem, Omaro Fawzi Abdelhamid; Vallejo, Luis; He, Jiaxiang; Giddings, Roger Philip; Jin, Wei; Yi, Xingwen; Faruk, Md Saifuddin; Tang, Jianming
Seamless Fiber-Wireless Access Network Convergence with Dynamic O-E-O Conversion-less Sub-Wavelength Switching and Tunable Photonic mmWave Generation Proceedings Article
In: 2024 Asia Communications and Photonics Conference (ACP) and International Conference on Information Photonics and Optical Communications (IPOC), pp. 1–4, 2024, ISSN: 2162-1098, (ISSN: 2162-1098).
Abstract | Links | BibTeX | Tags: Adaptive systems, B5G, Digital signal processing, fiber-wireless converged access networks, free-running lasers, Millimeter wave communication, millimeter waves, Optical fiber networks, Optical fibers, Optical signal processing, Optical switches, optical switching, Photonics, reconfigurable optical add/drop multiplexer (ROADM), Standards, Wireless networks
@inproceedings{abdelhamid_gonem_seamless_2024,
title = {Seamless Fiber-Wireless Access Network Convergence with Dynamic O-E-O Conversion-less Sub-Wavelength Switching and Tunable Photonic mmWave Generation},
author = {Omaro Fawzi Abdelhamid Gonem and Luis Vallejo and Jiaxiang He and Roger Philip Giddings and Wei Jin and Xingwen Yi and Md Saifuddin Faruk and Jianming Tang},
url = {https://ieeexplore.ieee.org/document/10809809},
doi = {10.1109/ACP/IPOC63121.2024.10809809},
issn = {2162-1098},
year = {2024},
date = {2024-11-01},
urldate = {2025-10-08},
booktitle = {2024 Asia Communications and Photonics Conference (ACP) and International Conference on Information Photonics and Optical Communications (IPOC)},
pages = {1–4},
abstract = {In order to meet the diverse needs of different services and applications in the B5G era, seamless integration of fiber and wireless network segments of next-generation radio access networks (NG-RANs), with flexible/fine channel switching granularity and ultra-low latency, is vital for enabling dynamic and continuous flow of heterogenous signals of various characteristics across different network segments without optical-electrical-optical (O-E-O) conversions or digital signal processing (DSP) at intermediate nodes. To address these requirements cost-effectively, we experimentally demonstrate 3xl.333 Gbps flexible BBU-UE connections over 10 km standard single-mode fiber (SSMF) and adaptable millimeter-wave (mmWave) wireless reach up to 50 m, using free-running laser/envelope detection-based tunable mm Wave generation/detection, and soft-ROADM-enabled dynamic sub-wavelength-level channel switching. The proposed technique requires no O-E-O conversions or DSP at intermediate nodes and offers dynamic RRH-controllable mmWave transmission with large frequency tunability and adaptive wireless network coverage.},
note = {ISSN: 2162-1098},
keywords = {Adaptive systems, B5G, Digital signal processing, fiber-wireless converged access networks, free-running lasers, Millimeter wave communication, millimeter waves, Optical fiber networks, Optical fibers, Optical signal processing, Optical switches, optical switching, Photonics, reconfigurable optical add/drop multiplexer (ROADM), Standards, Wireless networks},
pubstate = {published},
tppubtype = {inproceedings}
}
In order to meet the diverse needs of different services and applications in the B5G era, seamless integration of fiber and wireless network segments of next-generation radio access networks (NG-RANs), with flexible/fine channel switching granularity and ultra-low latency, is vital for enabling dynamic and continuous flow of heterogenous signals of various characteristics across different network segments without optical-electrical-optical (O-E-O) conversions or digital signal processing (DSP) at intermediate nodes. To address these requirements cost-effectively, we experimentally demonstrate 3xl.333 Gbps flexible BBU-UE connections over 10 km standard single-mode fiber (SSMF) and adaptable millimeter-wave (mmWave) wireless reach up to 50 m, using free-running laser/envelope detection-based tunable mm Wave generation/detection, and soft-ROADM-enabled dynamic sub-wavelength-level channel switching. The proposed technique requires no O-E-O conversions or DSP at intermediate nodes and offers dynamic RRH-controllable mmWave transmission with large frequency tunability and adaptive wireless network coverage.
8.
Vallejo, Luis; Gonem, Omaro Fawzi Abdelhamid; Jin, Wei; Giddings, Roger Philip; Tang, Jianming
Soft-ROADM-enabled Seamlessly Converged Optical-Wireless Access Networks with Free-Running Laser-based Tunable mmWave Generation and RF Envelope Detection Proceedings Article
In: 2024 IEEE Opto-Electronics and Communications Conference (OECC), pp. 1–3, 2024, ISSN: 2166-8892, (ISSN: 2166-8892).
Abstract | Links | BibTeX | Tags: B5G, Bit rate, fronthaul, Millimeter wave communication, mmWave, Optical fiber networks, Optical fibers, Optical switches, optical switching, Photonics, radio access network (RAN), Radio access networks, Radio frequency, RF envelope detection, Wireless communication
@inproceedings{vallejo_soft-roadm-enabled_2024,
title = {Soft-ROADM-enabled Seamlessly Converged Optical-Wireless Access Networks with Free-Running Laser-based Tunable mmWave Generation and RF Envelope Detection},
author = {Luis Vallejo and Omaro Fawzi Abdelhamid Gonem and Wei Jin and Roger Philip Giddings and Jianming Tang},
url = {https://ieeexplore.ieee.org/document/10975552},
doi = {10.1109/OECC54135.2024.10975552},
issn = {2166-8892},
year = {2024},
date = {2024-06-01},
urldate = {2025-10-08},
booktitle = {2024 IEEE Opto-Electronics and Communications Conference (OECC)},
pages = {1–3},
abstract = {Incorporating O-E-O conversion-free Soft-ROADMs and free-running laser-based tunable mmWave generations with RF envelope detection, a cost-effective optical-wireless-converged RAN supporting flexible ultra-dense BBU-UE connectivity without O-E-O conversion and DSPs at any intermediate nodes is proposed and experimentally demonstrated, achieving 2×2.4-Gbit/s dynamic connections over 10-km fiber and 2-m @38GHz mmWave transmissions.},
note = {ISSN: 2166-8892},
keywords = {B5G, Bit rate, fronthaul, Millimeter wave communication, mmWave, Optical fiber networks, Optical fibers, Optical switches, optical switching, Photonics, radio access network (RAN), Radio access networks, Radio frequency, RF envelope detection, Wireless communication},
pubstate = {published},
tppubtype = {inproceedings}
}
Incorporating O-E-O conversion-free Soft-ROADMs and free-running laser-based tunable mmWave generations with RF envelope detection, a cost-effective optical-wireless-converged RAN supporting flexible ultra-dense BBU-UE connectivity without O-E-O conversion and DSPs at any intermediate nodes is proposed and experimentally demonstrated, achieving 2×2.4-Gbit/s dynamic connections over 10-km fiber and 2-m @38GHz mmWave transmissions.