High security OFDM-PON with a physical layer encryption based on 4D-hyperchaos and dimension coordination optimization J Zhao, B Liu, Y Mao, R Ullah, J Ren, S Chen, L Jiang, S Han, J Zhang, ... Optics Express 28 (14), 21236-21246, 2020 | 46 | 2020 |
Line and ligature segmentation of Urdu Nastaleeq text I Ahmad, X Wang, R Li, M Ahmed, R Ullah IEEE access 5, 10924-10940, 2017 | 34 | 2017 |
Flattened optical multicarrier generation technique for optical line terminal side in next generation WDM-PON supporting high data rate transmission R Ullah, L Bo, S Ullah, M Yaya, F Tian, MK Khan, X Xiangjun IEEE Access 6, 6183-6193, 2018 | 31 | 2018 |
Demand forecasting DBA algorithm for reducing packet delay with efficient bandwidth allocation in XG-PON KA Memon, KH Mohammadani, N Ain, A Shaikh, S Ullah, Q Zhang, B Das, ... Electronics 8 (2), 147, 2019 | 27 | 2019 |
Enhancing the reliability and security of OFDM-PON using modified Lorenz chaos based on the linear properties of FFT J Shen, B Liu, Y Mao, R Ullah, J Ren, J Zhao, S Chen Journal of Lightwave Technology 39 (13), 4294-4299, 2021 | 26 | 2021 |
Ligature based Urdu Nastaleeq sentence recognition using gated bidirectional long short term memory I Ahmad, X Wang, YH Mao, G Liu, H Ahmad, R Ullah Cluster Computing 21, 703-714, 2018 | 26 | 2018 |
Ultra-wide and flattened optical frequency comb generation based on cascaded phase modulator and LiNbO3-MZM offering terahertz bandwidth S Ullah, R Ullah, Q Zhang, HA Khalid, KA Memon, A Khan, F Tian, ... IEEE access 8, 76692-76699, 2020 | 24 | 2020 |
Optical 1.56 Tbps coherent 4-QAM transmission across 60 km SSMF employing OFC scheme R Ullah, S Ullah, A Ali, M Yaya, S Latif, MK Khan, X Xin AEU-International Journal of Electronics and Communications 105, 78-84, 2019 | 24 | 2019 |
5D data iteration in a multi-wavelength OFDM-PON using the hyperchaotic system M Li, B Liu, R Ullah, J Ren, Y Mao, S Han, J Zhao, R Tang, S Chen, J Ling Optics Letters 45 (17), 4960-4963, 2020 | 23 | 2020 |
A novel concatenated coded modulation based on GFDM for access optical networks F Tian, D Guo, B Liu, Q Zhang, Q Tian, R Ullah, X Xin IEEE Photonics Journal 10 (2), 1-8, 2018 | 23 | 2018 |
A novel two-stage broadband Doherty power amplifier for wireless applications MS Khan, H Zhang, X Wang, R Ullah, I Ahmad, S Shahzad, QA Arain, ... IEEE Microwave and Wireless Components Letters 28 (1), 40-42, 2017 | 22 | 2017 |
Optical multi-wavelength source for single feeder fiber using suppressed carrier in high capacity LR-WDM-PON S Ullah, R Ullah, A Khan, HA Khalid, Q Zhang, Q Tian, F Khan, X Xin IEEE access 6, 70674-70684, 2018 | 21 | 2018 |
Application of optical frequency comb in high-capacity long distance optical communication for China-Pakistan economic corridor Z Latif, Z Jianqiu, R Ullah, ZH Pathan, S Latif Journal of Optical Communications 38 (3), 331-340, 2017 | 21 | 2017 |
A 7D cellular neural network based OQAM-FBMC encryption scheme for seven core fiber S Chen, B Liu, J Ren, Y Mao, R Ullah, X Song, Y Bai, L Jiang, S Han, ... Journal of Lightwave Technology 39 (22), 7191-7198, 2021 | 19 | 2021 |
Physical layer data encryption using two-level constellation masking in 3D-CAP-PON S Chen, B Liu, Y Mao, J Ren, X Song, R Ullah, D Zhao, L Jiang, S Han, ... Chinese Optics Letters 19 (1), 010601, 2021 | 18 | 2021 |
Cost effective OLT designed from optical frequency comb generator based EML for1. 22 Tbps wavelength division multiplexed passive optical network R Ullah, L Bo, S Ullah, M Yaya, F Tian, X Xiangjun Optical Fiber Technology 43, 49-56, 2018 | 17 | 2018 |
Pulsed laser-based optical frequency comb generator for high capacity wavelength division multiplexed passive optical network supporting 1.2 Tbps R Ullah, B Liu, Q Zhang, M Saad Khan, I Ahmad, A Ali, R Khan, Q Tian, ... Optical Engineering 55 (9), 096106-096106, 2016 | 17 | 2016 |
Ultrawide and tunable self-oscillating optical frequency comb generator based on an optoelectronic oscillator R Ullah, S Ullah, GZ Khan, Y Mao, J Ren, J Zhao, S Chen, M Li, J Khan Results in Physics 22, 103849, 2021 | 16 | 2021 |
All-optical XOR function accompanied with OOK/PSK format conversion with multicast functionality based on cascaded SOA configuration Y Mao, B Liu, R Ullah, T Sun, L Zhao Optics Communications 466, 125421, 2020 | 16 | 2020 |
Application of optical frequency comb generation with controlled delay circuit for managing the high capacity network system R Ullah, L Bo, M Yaya, F Tian, A Ali, I Ahmad, MS Khan, X Xiangjun AEU-International Journal of Electronics and Communications 94, 322-331, 2018 | 16 | 2018 |