Optical millimeter-wave generation techniques: An overview

AB Dar, F Ahmad - Optik, 2022 - Elsevier
… -optic waveguide therefore acts as phase modulator and … of arms used for modulating optical
signal and biasing, we have single… Therefore, filterless systems for mm-wave generation are …

Filterless optical millimeter-wave generation using cascaded-parallel Mach–Zehnder modulators with tunable frequency multiplication factor

AB Dar, F Ahmad, RK Jha - Optical and Quantum Electronics, 2021 - Springer
… of DC bias voltage sources. For the system, modulation index (m) range in which optical
Similarly, effect of offset in phase shifters from ideal value on OSSR has been also evaluated…

Filterless frequency-octupling mm-wave generation by cascading Sagnac loop and DPMZM

W Zhang, A Wen, Y Gao, S Shang, H Zheng… - Optics & Laser …, 2017 - Elsevier
… Besides, a phase modulator and a fiber Bragg grating (FBG) … , and the parent modulator is
biased at null point (DC bias is … Because no optical filters or electrical filters are used in our …

Study the Performance of Optical Millimetre Wave Based on Carrier Suppressed by Using an Inverted Optical Filter

F Al-Wahaibi, R Nilavalan, H Al-Rwashidi - … Computing: Proceedings of …, 2019 - Springer
… demonstrated using external modulation to supress the optical … carrier, MI-insensitive and
filterless frequency octupling … The proposed method in this paper, the dc bias of the MZM is …

Millimeter wave generation techniques for future communication systems

F Al Wahaibi - 2021 - bura.brunel.ac.uk
… The proposed approach uses an optical phase modulator to … driven by in-phase and quadrature
signals and biased at the … The proposed method in this paper, the dc bias of the MZM, is …

On the use of a directly modulated laser in a phase modulated-assisted mmW signal generation and transmission link

M Botella-Campos, J Mora… - Journal of Lightwave …, 2023 - ieeexplore.ieee.org
dc-bias signal can be considered one of the main advantages of the optical phase modulators
although phase… (L = 0 km) when no filter is considered. However, the transmission in (12) …

Filterless frequency octupling circuit using dual stage cascaded polarization modulators

GM Hasan, M Hasan, K Hinzer, T Hall - Journal of Modern Optics, 2019 - Taylor & Francis
… the photonic generation of millimetre-wave carriers by … 12); four MZMs (eight phase modulators)
in parallel placed between two … Moreover, the circuit requires no DC bias and no optical

A ROF system based on 18-tuple frequency millimeter wave generation using external modulator and SOA

H Zhou, C Fei, Y Zeng, Y Tan, M Chen - Optical fiber technology, 2021 - Elsevier
… as cross-phase modulation (XPM) [14], cross-gain modulation (… its no restrictions on the rate
and format of the modulation signal… direct current bias and modulation depth of the MZM, the …

Filterless frequency 32-tupling millimeter-wave generation based on two cascaded dual-parallel Mach–Zehnder modulators

X Chen, S Dai, Z Li, X Liu, X Chen, H Xiao - Frontiers in Physics, 2023 - frontiersin.org
… (MZM), phase modulator (PM), and polarization modulator (… In MZM-based methods of MMW
generation, DC bias drift is … to generate 32-tupling MMW, it does not need any optical filters. …

Photonic frequency-multiplication millimeter-wave generation with cascaded DPMZMs

Y Teng, P Zhang, X Xu, B Zhang - Optical Review, 2021 - Springer
… In [27], a filterless photonic frequency-octupling … sub-modulator (DPMZM2-a) only output
the 3rd optical sidebands, and the power of the optical signal can be regulated by the DC bias