Recent Submissions

  • Efficient real-time coding-assisted heterogeneous data access in vehicular networks 

    Ali, G. G. Md. Nawaz; Noor-A-Rahim, Md.; Rahman, Md. Ashiqur; Samantha, Syeda Khairunnesa; Chong, Peter Han Joo; Guan, Yong Liang (2018)
    Through the embedded processors and communication technologies, vehicles are increasingly being connected with the Internet of Things. Recently, much attentions have been paid to network-coding-assisted data broadcast in ...
  • Bulk inversion asymmetry effect on band structure and optical transition of a new class all-inorganic cubic perovskite nanoplatelet 

    Fan, Wei Jun (2018)
    The band structures at near the R point of all-inorganic cubic CsSnBr3 perovskite nanoplatelets (NPLs) are investigated by using an 8-band k·p method. The Luttinger parameters are given by fitting the first-principles ...
  • Landau velocity for collective quantum hall breakdown in bilayer graphene 

    Yang, W.; Graef, H.; Lu, X.; Zhang, G.; Taniguchi, T.; Watanabe, K.; Bachtold, A.; Teo, Edwin Hang Tong; Baudin, A.; Bocquillon, E.; Fève, G.; Berroir, J-M.; Carpentier, D.; Goerbig, M. O.; Plaçais, B. (2018)
    Breakdown of the quantum Hall effect (QHE) is commonly associated with an electric field approaching the inter-Landau-level (LL) Zener field, the ratio of the Landau gap and the cyclotron radius. Eluded in semiconducting ...
  • Mid-IR supercontinuum generation in a single-mode ZBLAN fiber by erbium-doped fiber laser 

    Yemineni, Sivasankara Rao; Lai, Wenn Jing; Alphones, Arokiaswami; Shum, Ping Perry (2018)
    We present a compact broadband supercontinuum (SC) generation in a single-mode fluorozirconate ZrF4-BaF2-LaF3-AlF3-NaF (ZBLAN) fiber pumped by femtosecond pulses from an erbium-doped fiber laser (EDFL). The femtosecond ...
  • Fano resonance enhanced surface plasmon resonance sensors operating in near-infrared 

    Huang, Tianye; Zeng, Shuwen; Zhao, Xiang; Cheng, Zhuo; Shum, Perry Ping (2018)
    In the phase-sensitivity-based surface plasmon resonance (SPR) sensing scheme, the highest phase jump usually happens at the darkness or quasi-darkness reflection point, which results in low power for detection. To overcome ...
  • InPBi quantum dots for super-luminescence diodes 

    Zhang, Liyao; Song, Yuxin; Chen, Qimiao; Zhu, Zhongyunshen; Wang, Shumin (2018)
    InPBi thin film has shown ultra-broad room temperature photoluminescence, which is promising for applications in super-luminescent diodes (SLDs) but met problems with low light emission efficiency. In this paper, InPBi ...
  • Electromagnetic–acoustic sensing for biomedical applications 

    Liu, Siyu; Zhang, Ruochong; Zheng, Zesheng; Zheng, Yuanjin (2018)
    This paper reviews the theories and applications of electromagnetic–acoustic (EMA) techniques (covering light-induced photoacoustic, microwave-induced thermoacoustic, magnetic-modulated thermoacoustic, and X-ray-induced ...
  • Birefringent bragg grating in c-shaped optical fiber as a temperature-insensitive refractometer 

    Tan, Rex Xiao; Ho, Daryl; Tse, Chun Ho; Tan, Yung Chuen; Yoo, Seong Woo; Tjin, Swee Chuan; Ibsen, Morten (2018)
    We demonstrate a simple-to-fabricate refractometer based on the inscription of fiber Bragg gratings in a special C-shaped optical fiber. The C-shaped fiber was drawn into shape using a quarter cladding removed preform of ...
  • CMOS low noise amplifier design for microwave and mmWave applications 

    Li, Xue Jun; Zhang, Yue Ping (2018)
    This paper reviews recent advances in the design of low noise amplifier (LNA) in complementary metal oxide semiconductor (CMOS) technology for radio transceivers at microwave and millimeter wave (mmWave) frequencies. First, ...
  • Solution grown double heterostructure on large hybrid halide perovskite crystal 

    Hettiarachchi, Chathuranga; Birowosuto, Muhammad Danang; Nguyen, Tienhoa; Ahmad, Riyas; Pita, Kantisara; Mathews, Nripan; Dang, Cuong (2018)
    Heterostructure is playing a crucial role in current optoelectronic applications. Realizing the heterostructure in a recently exciting semiconductor material: hybrid halide perovskite crystals, has been a long-sought goal ...
  • Current status and future prospects of copper oxide heterojunction solar cells 

    Wong, Terence Kin Shun; Zhuk, Siarhei; Masudy-Panah, Saeid; Dalapati, Goutam K. (2016)
    The current state of thin film heterojunction solar cells based on cuprous oxide (Cu2O), cupric oxide (CuO) and copper (III) oxide (Cu4O3) is reviewed. These p-type semiconducting oxides prepared by Cu oxidation, sputtering ...
  • Block-sparsity-aware LMS algorithm for network echo cancellation 

    Wei, Ye; Zhang, Yonggang; Wang, Chengcheng (2018)
    Network echo path impulse response is single-block-sparse in nature. In order to obtain a single-block-sparse estimate of the unknown echo path, a new least mean squares (LMS) algorithm is proposed by introducing the penalty ...
  • Wide-input dynamic range 1 MHz clock ultra-low supply flip-flop 

    Palaniappan, Arjun Ramaswami; Siek, Liter (2018)
    A new wide-input dynamic range flip-flop capable of operation at an ultra-low supply voltage of 0.16 V is presented. The proposed flip-flop named as capacitively boosted sense-amplifier flip-flop (CB-SAFF) utilises a ...
  • Low-latency compression of mocap data using learned spatial decorrelation transform 

    Hou, Junhui; Chau, Lap-Pui; Magnenat-Thalmann, Nadia; He, Ying (2016)
    Due to the growing needs of motion capture (mocap) in movie, video games, sports, etc., it is highly desired to compress mocap data for efficient storage and transmission. Unfortunately, the existing compression methods ...
  • Sparse low-rank matrix approximation for data compression 

    Hou, Junhui; Chau, Lap-Pui; Magnenat-Thalmann, Nadia; He, Ying (2017)
    Low-rank matrix approximation (LRMA) is a powerful technique for signal processing and pattern analysis. However, its potential for data compression has not yet been fully investigated. In this paper, we propose sparse ...
  • Sensitivity enhancement of MoS2 nanosheet based surface plasmon resonance biosensor 

    Ouyang, Qingling; Zeng, Shuwen; Dinh, Xuan-Quyen; Coquet, Philippe; Yong, Ken-Tye (2016)
    A surface plasmon resonance based biosensor consisting of SF10 prism, silicon layer, gold thin film and MoS2 enhanced nanosheet is presented. We systematically investigated the SPR reflectivity and resonance angle through ...
  • Signal-to-noise ratio enhanced spectral domain optical coherence tomography with dual-balanced detection 

    Bo, En; Liu, Xinyu; Liu, Linbo (2016)
    Spectral domain optical coherence tomography (SD-OCT) with dual-balanced detection (DBD) for signal-to-noise ratio (SNR) enhancement is developed. The dual-balanced detection in the SD-OCT system inherently achieves two-fold ...
  • Surface plasmon enhancement on infrared photodetection 

    Qiu, Shupeng; Tobing, Landobasa Yosef Mario; Xu, Zhengji; Tong, Jinchao; Ni, Peinan; Zhang, Dao-Hua (2016)
    InAsSb based infrared photodetector is an alternative to the existing HgCdTe, PbSnTe, and InSb counterparts, but its room temperature performance is still relatively poor. One of the ways to improve its performance is ...
  • Pulse shape tuning for 1064 nm nanosecond MOPA fibre laser 

    Liu, Meng; Chen, Shaoxiang; Zhang, Betty Meng; Li, Xiaohui; Shum, Perry Ping; Wang, Qijie; Cheng, Xueping (2016)
    For a high power 1064 nm nanosecond MOPA pulse fibre laser, the seeding pulse shape is distorted after amplified by pre-amplifier and power-amplifier stages under the effect of gain saturation. As the pulse shape is crucial ...
  • Pixelated-core large pitch optical fibre design 

    Guo, Mingzhe; Zhang, Betty Meng; Shum, Perry Ping (2016)
    This paper is reporting design and simulation of a pixelated-core large pitch optical fibre. With this new design, existence of higher order modes, mode instability at high power levels, mode shrinking and gain reduction ...

View more