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Volume 40, Issue 7, Jul 2019

    Special Issue on Quantum Light Sources from Semiconductors


  • Giant spin injection into semiconductor and THz pulse emission

    Zheng Feng

    J. Semicond.  2019, 40(7): 070201

    doi: 10.1088/1674-4926/40/7/070201

    Abstract Full Text PDF Get Citation

  • Learning the signatures of the human grasp using a scalable tactile glove

    Zheng Lou

    J. Semicond.  2019, 40(7): 070202

    doi: 10.1088/1674-4926/40/7/070202

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  • Perovskite plasmonic lasers capable of mode modulation

    Jingbi You

    J. Semicond.  2019, 40(7): 070203

    doi: 10.1088/1674-4926/40/7/070203

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  • Quantum light sources from semiconductor

    Disheng Chen, Weibo Gao

    J. Semicond.  2019, 40(7): 070301

    doi: 10.1088/1674-4926/40/7/070301

    Abstract Full Text PDF Get Citation

    Semiconductor provides a physics-rich environment to host various quantum light sources applicable for quantum information processing. These light sources are capable of deterministic generation of non-classical photon streams that demonstrate antibunching photon statistics, strong indistinguishability, and high-fidelity entanglement. Some of them have even successfully transitioned from proof-of-concept to engineering efforts with steadily improving performance[1]. Here, we briefly summarize recent efforts and progress in the race towards ideal quantum light sources based on semiconductor materials. The focus of this report will be on group III–V semiconductor quantum dots, defects in wide band-gap materials, emitters in two-dimensional van der Waals layered hosts, and carbon nanotubes, as these systems are well-positioned to benefit from recent breakthroughs in nanofabrication and materials growth techniques.


  • Ultralow-power polymer electro–optic integrated modulators

    Amirmahdi Honardoost, Reza Safian, Min Teng, Leimeng Zhuang

    J. Semicond.  2019, 40(7): 070401

    doi: 10.1088/1674-4926/40/7/070401

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  • Utilization of triplet excited states in organic semiconductors

    Song Guo, Shujuan Liu, Kenneth Yin Zhang, Wei Huang, Qiang Zhao

    J. Semicond.  2019, 40(7): 070402

    doi: 10.1088/1674-4926/40/7/070402

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  • Defect engineering in two-dimensional materials

    Jie Jiang, Zhenhua Ni

    J. Semicond.  2019, 40(7): 070403

    doi: 10.1088/1674-4926/40/7/070403

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  • Single photon-chiral phonon entanglement in monolayer WSe2

    Jun Zhang

    J. Semicond.  2019, 40(7): 070404

    doi: 10.1088/1674-4926/40/7/070404

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  • Preface to the Special Issue on Quantum Light Source from Semiconductors

    Xiulai Xu, Jinshi Xu

    J. Semicond.  2019, 40(7): 070101

    doi: 10.1088/1674-4926/40/7/070101

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  • Telecom wavelength single photon sources

    Xin Cao, Michael Zopf, Fei Ding

    J. Semicond.  2019, 40(7): 071901

    doi: 10.1088/1674-4926/40/7/071901

    Abstract Full Text PDF Get Citation

    Single photon sources are key components for quantum technologies such as quantum communication, computing and metrology. A key challenge towards the realization of global quantum networks are transmission losses in optical fibers. Therefore, single photon sources are required to emit at the low-loss telecom wavelength bands. However, an ideal telecom wavelength single photon source has yet to be discovered. Here, we review the recent progress in realizing such sources. We start with single photon emission based on atomic ensembles and spontaneous parametric down conversion, and then focus on solid-state emitters including semiconductor quantum dots, defects in silicon carbide and carbon nanotubes. In conclusion, some state-of-the-art applications are highlighted.

  • Quantum light source devices of In(Ga)As semiconductor self-assembled quantum dots

    Xiaowu He, Yifeng Song, Ying Yu, Ben Ma, Zesheng Chen, Xiangjun Shang, Haiqiao Ni, Baoquan Sun, Xiuming Dou, Hao Chen, Hongyue Hao, Tongtong Qi, Shushan Huang, Hanqing Liu, Xiangbin Su, Xinliang Su, Yujun Shi, Zhichuan Niu

    J. Semicond.  2019, 40(7): 071902

    doi: 10.1088/1674-4926/40/7/071902

    Abstract Full Text PDF Get Citation

    A brief introduction of semiconductor self-assembled quantum dots (QDs) applied in single-photon sources is given. Single QDs in confined quantum optical microcavity systems are reviewed along with their optical properties and coupling characteristics. Subsequently, the recent progresses in In(Ga)As QDs systems are summarized including the preparation of quantum light sources, multiple methods for embedding single QDs into different microcavities and the scalability of single-photon emitting wavelength. Particularly, several In(Ga)As QD single-photon devices are surveyed including In(Ga)As QDs coupling with nanowires, InAs QDs coupling with distributed Bragg reflection microcavity and the In(Ga)As QDs coupling with micropillar microcavities. Furthermore, applications in the field of single QDs technology are illustrated, such as the entangled photon emission by spontaneous parametric down conversion, the single-photon quantum storage, the chip preparation of single-photon sources as well as the single-photon resonance-fluorescence measurements.

  • Review on the quantum emitters in two-dimensional materials

    Shuliang Ren, Qinghai Tan, Jun Zhang

    J. Semicond.  2019, 40(7): 071903

    doi: 10.1088/1674-4926/40/7/071903

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    The solid state single photon source is fundamental key device for application of quantum communication, quantum computing, quantum information and quantum precious metrology. After years of searching, researchers have found the single photon emitters in zero-dimensional quantum dots (QDs), one-dimensional nanowires, three-dimensional wide bandgap materials, as well as two-dimensional (2D) materials developed recently. Here we will give a brief review on the single photon emitters in 2D van der Waals materials. We will firstly introduce the quantum emitters from various 2D materials and their characteristics. Then we will introduce the electrically driven quantum light in the transition metal dichalcogenides (TMDs)-based light emitting diode (LED). In addition, we will introduce how to tailor the quantum emitters by nanopillars and strain engineering, the entanglement between chiral phonons (CPs) and single photon in monolayer TMDs. Finally, we will give a perspective on the opportunities and challenges of 2D materials-based quantum light sources.

  • Electrically driven single-photon sources

    Yating Lin, Yongzheng Ye, Wei Fang

    J. Semicond.  2019, 40(7): 071904

    doi: 10.1088/1674-4926/40/7/071904

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    Single-photon sources are building blocks for photonic quantum information processes. Of the many single-photon generation schemes, electrically driven single-photon sources have the advantages of realizing monolithic integration of quantum light sources and detectors without optical filtering, thus greatly simplify the integrated quantum photonic circuits. Here, we review recent advances on electrically driven single-photon sources based on solid-state quantum emitters, such as semiconductor epitaxial quantum dots, colloidal quantum dots, carbon nanotubes, molecules, and defect states in diamond, SiC and layered semiconductors. In particular, the merits and drawbacks of each system are discussed. Finally, the article is concluded by discussing the challenges that remain for electrically driven single-photon sources.

  • Broadband photonic structures for quantum light sources

    Zhe He, Jiawei Yang, Lidan Zhou, Yan Chen, Tianming Zhao, Ying Yu, Jin Liu

    J. Semicond.  2019, 40(7): 071905

    doi: 10.1088/1674-4926/40/7/071905

    Abstract Full Text PDF Get Citation

    Quantum light sources serve as one of the key elements in quantum photonic technologies. Such sources made from semiconductor material, e.g., quantum dots (QDs), are particularly appealing because of their great potential of scalability enabled by the modern planar nanofabrication technologies. So far, non-classic light sources based on semiconductor QDs are currently outperforming their counterparts using nonlinear optical process, for instance, parametric down conversion and four-wave mixing. To fully exploring the potential of semiconductor QDs, it is highly desirable to integrate QDs with a variety of photonic nanostructures for better device performance due to the improved light-matter interaction. Among different designs, the photonic nanostructures exhibiting broad operation spectral range is particularly interesting to overcome the QD spectral inhomogeneity and exciton fine structure splitting for the generations of single-photon and entangled photon pair respectively. In this review, we focus on recent progress on high-performance semiconductor quantum light sources that is achieved by integrating single QDs with a variety of broadband photonic nanostructures i.e. waveguide, lens and low-Q cavity.

  • III–V compounds as single photon emitters

    Xu Wang, Lei Xu, Yun Jiang, Zhouyang Yin, Christopher C. S. Chan, Chaoyong Deng, Robert A. Taylor

    J. Semicond.  2019, 40(7): 071906

    doi: 10.1088/1674-4926/40/7/071906

    Abstract Full Text PDF Get Citation

    Single-photon emitters (SPEs) are one of the key components in quantum information applications. The ideal SPEs emit a single photon or a photon-pair on demand, with high purity and distinguishability. SPEs can also be integrated in photonic circuits for scalable quantum communication and quantum computer systems. Quantum dots made from III–V compounds such as InGaAs or GaN have been found to be particularly attractive SPE sources due to their well studied optical performance and state of the art industrial flexibility in fabrication and integration. Here, we review the optical and optoelectronic properties and growth methods of general SPEs. Subsequently, a brief summary of the latest advantages in III–V compound SPEs and the research progress achieved in the past few years will be discussed. We finally describe frontier challenges and conclude with the latest SPE fabrication science and technology that can open new possibilities for quantum information applications.


  • Electrically driven uniaxial stress device for tuning in situ semiconductor quantum dot symmetry and exciton emission in cryostat

    Hao Chen, Xiuming Dou, Kun Ding, Baoquan Sun

    J. Semicond.  2019, 40(7): 072901

    doi: 10.1088/1674-4926/40/7/072901

    Abstract Full Text PDF Get Citation

    Uniaxial stress is a powerful tool for tuning exciton emitting wavelength, polarization, fine-structure splitting (FSS), and the symmetry of quantum dots (QDs). Here, we present a technique for applying uniaxial stress, which enables us in situ to tune exciton optical properties at low temperature down to 15 K with high tuning precision. The design and operation of the device are described in detail. This technique provides a simple and convenient approach to tune QD structural symmetry, exciton energy and biexciton binding energy. It can be utilized for generating entangled and indistinguishable photons. Moreover, this device can be employed for tuning optical properties of thin film materials at low temperature.

  • Stable single photon sources in the near C-band range above 400 K

    Qiang Li, Ji-Yang Zhou, Zheng-Hao Liu, Jin-Shi Xu, Chuan-Feng Li, Guang-Can Guo

    J. Semicond.  2019, 40(7): 072902

    doi: 10.1088/1674-4926/40/7/072902

    Abstract Full Text PDF Get Citation

    The intrinsic characteristics of single photons became critical issues since the early development of quantum mechanics. Nowadays, acting as flying qubits, single photons are shown to play important roles in the quantum key distribution and quantum networks. Many different single photon sources (SPSs) have been developed. Point defects in silicon carbide (SiC) have been shown to be promising SPS candidates in the telecom range. In this work, we demonstrate a stable SPS in an epitaxial 3C-SiC with the wavelength in the near C-band range, which is very suitable for fiber communications. The observed SPSs show high single photon purity and stable fluorescence at even above 400 K. The lifetimes of the SPSs are found to be almost linearly decreased with the increase of temperature. Since the epitaxial 3C-SiC can be conveniently nanofabricated, these stable near C-band SPSs would find important applications in the integrated photonic devices.


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