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| 1 | Monolayer Graphene as a Saturable Absorber in a Mode-Locked Laser显示文摘我们证明单层 graphene 的内在的性质允许它当时,为锁模式的纤维激光充当一个更有效的可饱和的吸收器与多层的 graphene 相比。单层 graphene 的吸收能与多层的 graphene,有像皱纹的缺点的 graphene,或 functionalized graphene 相比在更低的刺激紧张被浸透。单层 graphene 有 65.9% 的显著地大的调整深度,而多层的 graphene 的调整深度极大地由于 nonsaturable 吸收被减少并且散布损失。微微秒 ultrafast 激光脉搏(1.23 ps ) 能作为一个可饱和的吸收器用单层 graphene 被产生。由于 ultrafast 松驰时间,更大的调整深度和单层 graphene 的更低的散布损失,它以塑造能力,脉搏稳定性,和产量精力的脉搏比多层的 graphene 更好表现。 | Qiaoliang Bao Han Zhang Zhenhua Ni Yu Wang Lakshminarayana Polavarapu Zexiang Shen Qing-Hua Xu Dingyuan Tang Kian Ping Loh | 2011 | Nano Research2011，4，3： | 25 |
| 2 | Diffraction-limited imaging with monolayer 2D material-based ultrathin flat lenses显示文摘Ultrathin flat optics allow control of light at the subwavelength scale that is unmatched by traditional refractive optics.To approach the atomically thin limit,the use of 2D materials is an attractive possibility due to their high refractive indices.However,achievement of diffraction-limited focusing and imaging is challenged by their thickness-limited spatial resolution and focusing efficiency.Here we report a universal method to transform 2D monolayers into ultrathin flat lenses.Femtosecond laser direct writing was applied to generate local scattering media inside a monolayer,which overcomes the longstanding challenge of obtaining sufficient phase or amplitude modulation in atomically thin 2D materials.We achieved highly efficient 3D focusing with subwavelength resolution and diffractionlimited imaging.The high focusing performance even allows diffraction-limited imaging at different focal positions with varying magnifications.Our work paves the way for downscaling of optical devices using 2D materials and reports an unprecedented approach for fabricating ultrathin imaging devices. | Han Lin Zai-Quan Xu Guiyuan Cao Yupeng Zhang Jiadong Zhou Ziyu Wang Zhichen Wan Zheng Liu Kian Ping Loh Cheng-Wei Qiu Qiaoliang Bao Baohua Jia | 2020 | Light(Science & Applications)2020，9，1： | 9 |
| 3 | Band structure engineering in metal halide perovskite nanostructures for optoelectronic applications显示文摘Metal halide perovskite nanostructures have emerged as low-dimensional semiconductors of great significance in many fields such as photovoltaics,photonics,and optoelectronics.Extensive efforts on the controlled synthesis of perovskite nanostructures have been made towards potential device applications.The engineering of their band structures holds great promise in the rational tuning of the electronic and optical properties of perovskite nanostructures,which is one of the keys to achieving efficient and multifunctional optoelectronic devices.In this article,we summarize recent advances in band structure engineering of perovskite nanostructures.A survey of bandgap engineering of nanostructured perovskites is firstly presented from the aspects of dimensionality tailoring,compositional substitution,phase segregation and transition,as well as strain and pressure stimuli.The strategies of electronic doping are then reviewed,including defect-induced self-doping,inorganic or organic molecules-based chemical doping,and modification by metal ions or nanostructures.Based on the bandgap engineering and electronic doping,discussions on engineering energy band alignments in perovskite nanostructures are provided for building high-performance perovskite p-n junctions and heterostructures.At last,we provide our perspectives in engineering band structures of perovskite nanostructures towards future low-energy optoelectronics technologies. | Qingdong Ou Xiaozhi Bao Yinan Zhang Huaiyu Shao Guichuan Xing Xiangping Li Liyang Shao Qiaoliang Bao | 2019 | Nano Materials Science2019，1，4： | 5 |
| 4 | Wide-field in situ multiplexed Raman imaging with superresolution显示文摘Because of the fingerprint-like specificity of its characteristic spectrogram, Raman spectral imaging has been applied widely in various research areas. Using a combination of structured illumination with the surface-enhanced Raman scattering(SERS) technique, wide-field Raman imaging is developed with a significant improvement in spatial resolution. As a result of the relatively narrow Raman characteristic peaks, optically encoded SERS nanoparticles can be used to perform multiplexed imaging. The results show excellent superresolution wide-field multiplexed imaging performance. The developed technique has extraordinary potential for applications in biological imaging and other related fields. | HOUKAI CHEN XIAOJING WU YUQUAN ZHANG YONG YANG CHANGJUN MIN SIWEI ZHU XIAOCONG YUAN QIAOLIANG BAO JING BU | 2018 | Photonics Research2018，6，6： | 2 |
| 5 | Anisotropic polaritons in van der Waals materials显示文摘Polaritons in two-dimensional(2D)materials continues to garner significant attention due to their favorable ability of field-confinement and intriguing potential for low-loss and ultrafast optical and photonic devices.The recent experimental observation of in-plane anisotropic dispersion in natural van der Waals materials has revealed much richer physics as compared to isotropic plasmonic materials,which provides new insight to manipulate the polaritons and manufacture flat optical devices with unprecedented controls.Herein,we give an overview of the recent progress in in-plane anisotropic polaritons launched and visualized in the near-field range in 2D layered van der Waals materials.Furthermore,future prospects in this promising but emerging field are featured on the basis of its peculiar applications.This review article will stimulate the scientific community to explore other hyperbolic materials and structures in order to develop optical technologies with novel functionalities and further improve the understanding of the exotic photonic phenomena. | Weiliang Ma Babar Shabbir Qingdong Ou Yemin Dong Huanyang Chen Peining Li Xinliang Zhang Yuerui Lu Qiaoliang Bao | 2020 | InfoMat2020，2，5： | 2 |
| 6 | Black phosphorus induced photo-doping for high-performance organic-silicon heterojunction photovoltaics显示文摘 | Zhouhui Xia Pengfei Li Yuqiang Liu Tao Song Qiaoliang Bao Shuit-Tong Lee Baoquan Sun | 2017 | Nano Research2017，10，11： | 1 |
| 7 | The chemistry of graphene显示文摘 | Loh K P Bao Qiaoliang Ang P K | 2010 | Journal of Materials Chemistry2010，20，12： | 1 |
| 8 | Growth of large-area atomically thin MoS2 film via ambient pressure chemical vapor deposition显示文摘Atomically thin MoS2 films have attracted significant attention due to excellent electrical and optical properties.The development of device applications demands the production of large-area thin film which is still an obstacle.In this work we developed a facile method to directly grow large-area MoS2 thin film on Si O2 substrate via ambient pressure chemical vapor deposition method. The characterizations by spectroscopy and electron microscopy reveal that the as-grown MoS2 film is mainly bilayer and trilayer with high quality. Back-gate field-effect transistor based on such MoS2 thin film shows carrier mobility up to 3.4 cm2V-1s-1 and on/off ratio of 105. The large-area atomically thin MoS2 prepared in this work has the potential for wide optoelectronic and photonic device applications. | Caiyun Chen Hong Qiao Yunzhou Xue Wenzhi Yu Jingchao Song Yao Lu Shaojuan Li Qiaoliang Bao | 2015 | Photonics Research2015，3，4： | 1 |
| 9 | Graphene plasmonic nanoresonators/graphene heterostructures for efficient room-temperature infrared photodetection显示文摘High-performance infrared(IR)photodetectors made by low dimensional materials promise a wide range of applications in communication,security and biomedicine.Moreover,light-harvesting effects based on novel plasmonic materials and their combinations with two-dimensional(2 D)materials have raised tremendous interest in recent years,as they may potentially help the device complement or surpass currently commercialized IR photodetectors.Graphene is a particularly attractive plasmonic material because graphene plasmons are electrically tunable with a high degree of electromagnetic confinement in the mid-infrared(mid-IR)to terahertz regime and the field concentration can be further enhanced by forming nanostructures.Here,we report an efficient mid-IR room-temperature photodetector enhanced by plasmonic effect in graphene nanoresonators(GNRs)/graphene heterostructure.The plasmon polaritons in GNRs are size-dependent with strong field localization.Considering that the size and density of GNRs are controllable by chemical vapor deposition method,our work opens a cost-effective and scalable pathway to fabricate efficient IR optoelectronic devices with wavelength tunability. | Tian Sun Weiliang Ma Donghua Liu Xiaozhi Bao Babar Shabbir Jian Yuan Shaojuan Li Dacheng Wei Qiaoliang Bao | 2020 | Journal of Semiconductors2020，41，7： | 1 |
| 10 | Well-aligned carbon nanotubes from ethanol flame显示文摘 | Chunxu Pan Qiaoliang Bao | 2002 | Journal of Materials Science Letters2002，，24： | 1 |
| 11 | Graphene oxide as a chemically tunable platform for optical applications 显示文摘 | Kian Ping Loh Bao Qiaoliang Goki eda | 2010 | Nature Chemistry2010，2，： | 1 |
| 12 | Ex and in situ confocal Raman studies of organic thin film and its on-working tran- sistors显示文摘 | Bao Qiaoliang Gan Ye Li Jun | 2008 | J Phys Chem C2008，112，19： | 1 |
| 13 | Lithium insertion in channel-structured ~l-AgVOa: in situ Raman study and computer simulation显示文摘 | Bao Qiaoliang Bao Shujuan Li Changming | 2007 | Chem Mater2007，19，24： | 1 |
| 14 | Highly stable and repeatable femtosecond soliton pulse generation from saturable absorbers based on twodimensional Cu3-xP nanocrystals显示文摘Heavily doped colloidal plasmonic nanocrystals have attracted great attention because of their lower and adjustable free carrier densities and tunable localized surface plasmonic resonance bands in the spectral range from near-infra to mid-infra wavelengths.With its plasmon-enhanced optical nonlinearity,this new family of plasmonic materials shows a huge potential for nonlinear optical applications,such as ultrafast switching,nonlinear sensing,and pulse laser generation.Cu3-xP nanocrystals were previously shown to have a strong saturable absorption at the plasmonic resonance,which enabled high-energy Q-switched fiber lasers with 6.1μs pulse duration.This work demonstrates that both high-quality mode-locked and Q-switched pulses at 1560 nm can be generated by evanescently incorporating two-dimensional(2D)Cu3-xP nanocrystals onto a D-shaped optical fiber as an effective saturable absorber.The 3 dB bandwidth of the mode-locking optical spectrum is as broad as 7.3 nm,and the corresponding pulse duration can reach 423 fs.The repetition rate of the Q-switching pulses is higher than 80 kHz.Moreover,the largest pulse energy is more than 120μJ.Note that laser characteristics are highly stable and repeatable based on the results of over 20 devices.This work may trigger further investigations on heavily doped plasmonic 2D nanocrystals as a next-generation,inexpensive,and solution-processed element for fascinating photonics and optoelectronics applications. | Haoran MU Zeke LIU Xiaozhi BAO Zhichen WAN Guanyu LIU Xiangping LI Huaiyu SHAO Guichuan XING Babar SHABBIR Lei LI Tian SUN Shaojuan LI Wanli MA Qiaoliang BAO | 2020 | Frontiers of Optoelectronics2020，13，2： | 1 |
| 15 | Atomic-layer graphene as a saturable absorber for ultrafast pulsed lasers 显示文摘 | Bao Qiaoliang Zhang Han Wang Yu | 2009 | Advanced Functional Materials2009，19，19： | 1 |
| 16 | Large energy soliton erbium-doped fiber laser with a graphene-polymer composite mode locker显示文摘 | Zhang Hart Bao Qiaoliang Tang Dingyuan etal | 2009 | Applied Physics Letters2009，95，14： | 1 |
| 17 | Su- percapacitance of solid carbon nanofibers made from ethanol flames 显示文摘 | Qiaoliang Bao Shujuan Bao Chang Ming Li | 2008 | The Journal of Physical Chemistry C2008，112，： | 1 |
| 18 | Simulation for Growth of Multi-walled Carbon Nanotubes in Electric field显示文摘 | Bao Qiaoliang Zhang Han Pan Chunxu | 2007 | Computational Materials Science2007，39，2007： | 1 |
| 19 | Introduction to two-dimensional layered materials for ultrafast lasers显示文摘We introduce the background and motivation of this feature issue of two-dimensional layered materials for ultrafast lasers. A brief summary of the seven collected articles in this feature issue is also given. | HAN ZHANG QIAOLIANG BAO ZHIPEI SUN | 2018 | Photonics Research2018，6，10： | 1 |
| 20 | Atomic layer graphene as saturable absorber for ultrafast pulsed laser显示文摘 | Bao Qiaoliang Zhang Han Wang Yu | 2009 | Adv Funct Mater2009，19，19： | 1 |
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