J. Semicond. > 2022, Volume 43 > Issue 12 > 121201, doi: 10.1088/1674-4926/43/12/121201
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REVIEWS

Spectroscopy and carrier dynamics of one-dimensional nanostructures

Yutong Zhang1, 2, Zhuoya Zhu1, 2, Shuai Zhang1, 2, Xianxin Wu1, 2, Wenna Du1, 2, and Xinfeng Liu1, 2,

+ Author Affiliations

 Corresponding author: Wenna Du, duwn@nanoctr.cn; Xinfeng Liu, liuxf@nanoctr.cn

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Abstract: In recent years, one-dimensional (1D) nanomaterials have raised researcher's interest because of their unique structural characteristic to generate and confine the optical signal and their promising prospects in photonic applications. In this review, we summarized the recent research advances on the spectroscopy and carrier dynamics of 1D nanostructures. First, the condensation and propagation of exciton–polaritons in nanowires (NWs) are introduced. Second, we discussed the properties of 1D photonic crystal (PC) and applications in photonic–plasmonic structures. Third, the observation of topological edge states in 1D topological structures is introduced. Finally, the perspective on the potential opportunities and remaining challenges of 1D nanomaterials is proposed.

Key words: one-dimensional nanostructures, carrier dynamics, nanowires, exciton–polaritons, photonic crystals, topological structures



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Fig. 1.  (Color online) (a) Time-resolved spatial distribution of the polariton emission at 5Pth in a wire with δ = –3 meV[24]. (b) Simulation considering polariton condensates propagating and interacting with the excitonic reservoir. The excitation spot is located 35 μm from the right edge of the wire (inset)[24]. (c) Schematic of experimental setup. One laser excites at one facet of wire and wave-guide emission collected at another facet of the same wire[15]. (d) Dispersion curves of MAPbBr3 wires with width × length dimensions of 0.32 × 3.66 µm2[15, 45]. (e) Polariton dispersion at 1.3Pth, showing symmetric dominant emission at around ±20°[70]. (f) Schematic of pumping spot and collection spot on the microwire microcavity and measured and simulated real-space images of the microwire microcavity above the polariton condensation threshold, respectively[70].

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Fig. 2.  (Color online) (a) Geometric representation of 1D multi-layered GaAs/AlAs based photonic crystal having Fibonacci sequence[73]. (b) Transmission spectra of GaAs/AlAs based one dimensional multilayered quasiperiodic photonic crystal having variation in layer thickness of GaAs (dg)[73]. (c) Transmission spectra of GaAs/AlAs based one dimensional multilayered quasiperiodic photonic crystal having variation in layer thickness of AlAs (da)[73]. (d) Schematic diagram of the femtosecond laser micromachining set-up used for the fabrication of 1D PC channel waveguides[74]. (e) Optical microscope images (top view) of the propagating streak at 632.8 nm and semi-log plots showing the exponentially decaying intensity along the propagation direction for waveguides of different widths for vertical and horizontal input polarizations[74].

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Fig. 3.  (Color online) (a) Hybrid device configuration (on the top). The insets highlight the metal slotted structure[83]. (b) Q-factor and (c) mode volume as a function of the gap G and the slot width s[83]. (d) Layout of the experiment and the PC/OLED structure with two metal nanolayers[84]. (e) Electroluminescence spectrum from the 1D PC with the super yellow (SY) light-emitting layer, which is sandwiched between two metal nanolayers. The standard SY emission spectrum is presented as a cyan curve for comparison[84]. (f) Superimposed experimental spectra (as smoothed contour lines) and the integral of the optical electric field in the SY light-emitting layer[84].

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Fig. 4.  (Color online) Schematic of the one-dimensional SSH model.

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Fig. 5.  (Color online) (a) Scanning electron microscopy image of the zigzag chain on perovskite layer before the deposition of top DBR. The white dashed circles are added for visibility. t and t′ represent the intracell and intercell hopping strengths. Scale bar, 1 μm[88]. (b) Schematic of a topological laser array made of nine micro-ring resonators with alternating weak (t1) and strong (t2) couplings, emulating an SSH model. A layer of 10-nm Cr (shown in yellow) is deposited on top of every second element to introduce distributed gain and loss. The red halos represent the intensity profile of the oscillating zero mode that resides at the central site and decays exponentially away from the center, with zero intensity in every second element[93]. (c) Energy-resolved momentum-space polariton dispersion at 0.5Pth in Y polarization. The white dashed lines highlight the topological gap with topological polariton edge states inside the s band[88]. (d) Energy-resolved momentum-space polariton dispersion at 2.0Pth in Y polarization. Real-space images of higher energy state and the topological edge states at 2.0Pth (inset)[88]. (e) Schematic of the nanocavity formed by interfacing two photonic crystals (PCs) with a common bandgap and distinct Zak phases[95]. (f) Single-super mode lasing from the topological micro-laser under the pumping condition. Lasing mode profile of the topological micro laser (inset)[93]. (g) Position-dependent PL intensities measured for the topological nanocavities with different d1 values[95].

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    Received: 03 August 2022 Revised: Online: Accepted Manuscript: 30 September 2022Uncorrected proof: 08 October 2022Published: 02 December 2022

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      Article Navigation >  Journal of Semiconductors  > 2022  >  43(12): 121201
      Yutong Zhang, Zhuoya Zhu, Shuai Zhang, Xianxin Wu, Wenna Du, Xinfeng Liu. Spectroscopy and carrier dynamics of one-dimensional nanostructures[J]. Journal of Semiconductors, 2022, 43(12): 121201. doi: 10.1088/1674-4926/43/12/121201 ****Yutong Zhang, Zhuoya Zhu, Shuai Zhang, Xianxin Wu, Wenna Du, Xinfeng Liu. 2022: Spectroscopy and carrier dynamics of one-dimensional nanostructures. Journal of Semiconductors, 43(12): 121201. doi: 10.1088/1674-4926/43/12/121201
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      Yutong Zhang, Zhuoya Zhu, Shuai Zhang, Xianxin Wu, Wenna Du, Xinfeng Liu. Spectroscopy and carrier dynamics of one-dimensional nanostructures[J]. Journal of Semiconductors, 2022, 43(12): 121201. doi: 10.1088/1674-4926/43/12/121201 ****
      Yutong Zhang, Zhuoya Zhu, Shuai Zhang, Xianxin Wu, Wenna Du, Xinfeng Liu. 2022: Spectroscopy and carrier dynamics of one-dimensional nanostructures. Journal of Semiconductors, 43(12): 121201. doi: 10.1088/1674-4926/43/12/121201
      shu

      Spectroscopy and carrier dynamics of one-dimensional nanostructures

      doi: 10.1088/1674-4926/43/12/121201
      • 1.

        CAS Key Laboratory of Standardization and Measurement for Nanotechnology, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, China

      • 2.

        University of Chinese Academy of Sciences, Beijing 100049, China

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      • Yutong Zhang：got his BS from Nankai University in 2021. Now he is a MS student at the National Center for Nanoscience and Technology (NCNST) under the supervision of Prof. Xinfeng Liu. His research focuses on the carrier dynamics of one-dimensional nanostructures
      • Wenna Du：is an associate professor at the National Center for Nanoscience and Technology (NCNST), China. She received her Ph.D. degree in materials physics and chemistry from Institute of Semiconductors, Chinese Academy of Sciences in 2016. After that, she joined the NCNST as a research assistant professor and became an associate professor in 2019. Her research focuses on light-matter interactions of perovskites by optical spectroscopy approaches
      • Xinfeng Liu：is a full professor at the National Center for Nanoscience and Technology (NCNST), Beijing, China. He received his Ph.D. degree from NCNST, Chinese Academy of Sciences (CAS) in 2011. After that, he joined School of Physical and Mathematical Sciences of Nanyang Technological University (NTU) as a postdoctoral research fellow. In 2015, he joined CAS as Outstanding Overseas Talents and became a Project Leader at NCNST. His current research interests mainly focus on nano-photonics, nonlinear optics and ultrafast spectroscopy. He has over 210 peer-reviewed publications, including Science, Nat. Mater., Nat. Commun., Adv. Mater., Nano Lett. etc, with citations more than 15300 and h index 62
      • Corresponding author: duwn@nanoctr.cn; liuxf@nanoctr.cn
      • Received Date: 2022-08-03
        Available Online: 2022-09-30

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