{"title":"Special issue in honor of the 65th birthday of Professor Chennupati Jagadish, AC","authors":"Martin Dawson, Zetian Mi, Hoe Tan","doi":"10.1016/j.pquantelec.2022.100427","DOIUrl":"10.1016/j.pquantelec.2022.100427","url":null,"abstract":"","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"85 ","pages":"Article 100427"},"PeriodicalIF":11.7,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49481989","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Stephen A. Church , Ruqaiya Al-Abri , Patrick Parkinson , Dhruv Saxena
{"title":"Optical characterisation of nanowire lasers","authors":"Stephen A. Church , Ruqaiya Al-Abri , Patrick Parkinson , Dhruv Saxena","doi":"10.1016/j.pquantelec.2022.100408","DOIUrl":"10.1016/j.pquantelec.2022.100408","url":null,"abstract":"<div><p>Semiconductor nanowire lasers are single-element structures that can act as both gain material and cavity for optical lasing. They have typical dimensions on the order of an optical wavelength in diameter and several micrometres in length, presenting unique challenges for testing and characterisation. Optical microscopy and spectroscopy are powerful tools used to study nanowire lasers; here, we review the common techniques and analytical approaches often used and outline potential pitfalls in their application. We aim to outline best practise and experimental approaches used for characterisation of the material, cavity and lasing performance of nanowires towards applications in biology, photonics and telecommunications.</p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"85 ","pages":"Article 100408"},"PeriodicalIF":11.7,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0079672722000349/pdfft?md5=bc24019e0681be199b43a23dc87f626e&pid=1-s2.0-S0079672722000349-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41347123","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Polarization anisotropy in nanowires: Fundamental concepts and progress towards terahertz-band polarization devices","authors":"Michael B. Johnston , Hannah J. Joyce","doi":"10.1016/j.pquantelec.2022.100417","DOIUrl":"10.1016/j.pquantelec.2022.100417","url":null,"abstract":"<div><p>Pronounced polarization anisotropy in semiconductor nanowires has been exploited to achieve polarization-sensitive devices operating across the electromagnetic spectrum, from the ultraviolet to the terahertz band. This contribution describes the physical origins of optical and electrical anisotropy in nanowires. Polarization anisotropy arising from dielectric contrast, and the behaviour of (nano)wire grid polarizers, are derived from first principles. This review discusses experimental observations of polarization-sensitive light–matter interactions in nanowires. It then describes how these phenomena are employed in devices that detect or modulate polarized terahertz radiation on ultrafast timescales. Such novel terahertz device concepts are expected to find use in a wide variety of applications including high-speed terahertz-band communications and molecular fingerprinting.</p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"85 ","pages":"Article 100417"},"PeriodicalIF":11.7,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0079672722000428/pdfft?md5=b61f0d4b776cbd988fc12f062945b8a0&pid=1-s2.0-S0079672722000428-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46929066","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuanpeng Wu , Xianhe Liu , Ayush Pandey , Peng Zhou , Wan Jae Dong , Ping Wang , Jungwook Min , Parag Deotare , Mackillo Kira , Emmanouil Kioupakis , Zetian Mi
{"title":"III-nitride nanostructures: Emerging applications for Micro-LEDs, ultraviolet photonics, quantum optoelectronics, and artificial photosynthesis","authors":"Yuanpeng Wu , Xianhe Liu , Ayush Pandey , Peng Zhou , Wan Jae Dong , Ping Wang , Jungwook Min , Parag Deotare , Mackillo Kira , Emmanouil Kioupakis , Zetian Mi","doi":"10.1016/j.pquantelec.2022.100401","DOIUrl":"10.1016/j.pquantelec.2022.100401","url":null,"abstract":"<div><p><span><span>In<span> this review article, we discuss the molecular beam epitaxy and basic structural, electronic, optical, excitonic, chemical and catalytic properties of III-nitride </span></span>nanostructures, including nanowires, monolayer </span>heterostructures<span><span><span><span>, and quantum dots. Their emerging applications in ultraviolet, visible and infrared </span>photonics, quantum </span>optoelectronics, and artificial photosynthesis that are relevant for next generation mobile display, virtual/augmented reality, </span>quantum communication, and energy, water, and environment sustainability challenges are presented.</span></p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"85 ","pages":"Article 100401"},"PeriodicalIF":11.7,"publicationDate":"2022-08-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46671887","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nicola Biagi, Saverio Francesconi, Alessandro Zavatta, Marco Bellini
{"title":"Photon-by-photon quantum light state engineering","authors":"Nicola Biagi, Saverio Francesconi, Alessandro Zavatta, Marco Bellini","doi":"10.1016/j.pquantelec.2022.100414","DOIUrl":"10.1016/j.pquantelec.2022.100414","url":null,"abstract":"<div><p>The ability to manipulate light at the level of single photons, its elementary excitation quanta, has recently made it possible to produce a rich variety of tailor-made quantum states and arbitrary quantum operations, of high interest for fundamental science and applications. Here we present a concise review of the progress made over the last few decades in the engineering of quantum light states. Although far from exhaustive, this review aims at providing a sufficiently wide and updated introduction that may serve as the entry point to such a fascinating and rapidly evolving field.</p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"84 ","pages":"Article 100414"},"PeriodicalIF":11.7,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"43406678","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hiroki Tanaka , Sascha Kalusniak , Moritz Badtke , Maxim Demesh , Nikolai V. Kuleshov , Fumihiko Kannari , Christian Kränkel
{"title":"Visible solid-state lasers based on Pr3+ and Tb3+","authors":"Hiroki Tanaka , Sascha Kalusniak , Moritz Badtke , Maxim Demesh , Nikolai V. Kuleshov , Fumihiko Kannari , Christian Kränkel","doi":"10.1016/j.pquantelec.2022.100411","DOIUrl":"10.1016/j.pquantelec.2022.100411","url":null,"abstract":"<div><p>Visible lasers are sought for in a variety of applications. They are required in fields as diverse as medicine, materials processing, display and entertainment technology and many others. Moreover, in contrast to infrared lasers, they enable very simple and efficient access to the UV spectral range by a single frequency doubling step. Currently, the choice of direct visibly emitting lasers is limited: The ‘green gap’ prohibits the development of semiconductor lasers with emission in the green and yellow spectral range and only few laser active ions allow for efficient visible lasing. In particular trivalent praseodymium (Pr<sup>3+</sup>) and terbium (Tb<sup>3+</sup>) ions have been shown to be the most successful candidates for efficient high power visible solid-state lasers. Compared to semiconductor lasers, solid-state lasers also provide other advantages, <em>e.g.</em>, in terms of energy storage in Q-switched operation as well as beam quality at high output power.</p><p>In recent years, visibly emitting solid-state lasers have seen a revival enabled by the increasing commercial availability of GaN-based blue emitting pump diodes and an ever-increasing number of publications evidences the vivid research activities in this field. Still, due to the relatively short history of diode-pumped visible solid-state lasers, these are still in an early stage of their development and up to now only few direct visibly emitting solid-state lasers with comparably low output power are commercially available. However, we are convinced that visibly emitting solid-state lasers based on Pr<sup>3+</sup> and Tb<sup>3+</sup> have the potential for 100-W-class continuous wave output power levels as well as sub-ns pulse durations in Q-switched and sub-ps-pulse durations in mode-locked operation, which would qualify them to fulfil the requirements of most of the applications named above.</p><p>In this work, we review the state of the art of continuous wave and pulsed visibly emitting solid-state lasers and amplifiers based on Pr<sup>3+</sup> and Tb<sup>3+</sup> as the active ion. After an introduction, we briefly review the spectroscopic properties of these two ions and their particularities for laser operation as well as the requirements for suitable host materials. In the third chapter, we present the state of the art in the field of continuous wave Pr<sup>3+</sup>-lasers emitting in the cyan-blue, green, orange, red, and deep-red spectral range based on fluoride, glass, and oxide host materials and discuss prospects for further power scaling. The fourth chapter is devoted to the current state of Tb<sup>3+</sup>-based continuous wave green and yellow emitting solid-state lasers. In the fifth and sixth chapter we give an overview over existing pulsed visibly emitting solid-state lasers in Q-switched and mode-locked operation mode, respectively. Finally, the seventh chapter is devoted to pulse amplifiers for ultrafast visible lasers before this review closes wi","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"84 ","pages":"Article 100411"},"PeriodicalIF":11.7,"publicationDate":"2022-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0079672722000374/pdfft?md5=b2fa2e9abcf1a422ed80f0ffca72445d&pid=1-s2.0-S0079672722000374-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49258406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Quantum non-Gaussianity of light and atoms","authors":"Lukáš Lachman, Radim Filip","doi":"10.1016/j.pquantelec.2022.100395","DOIUrl":"10.1016/j.pquantelec.2022.100395","url":null,"abstract":"<div><p>Quantum non-Gaussian states of photons and phonons are conclusive and direct witnesses of higher-than-quadratic nonlinearities in optical and mechanical processes. Moreover, they are proven resources for quantum sensing, communication and error correction with diverse continuous-variable systems. This review introduces theoretical analyses of nonclassical and quantum non-Gaussian states of photons and phonons. It recapitulates approaches used to derive operational criteria for photons tolerant to optical losses, their application in experiments and their nowadays extension to quantum non-Gaussian photon coincidences. It extends to a recent comparison of quantum non-Gaussianity, including robustness to thermal noise, and sensing capability for high-quality phononic Fock states of single trapped cooled ions. The review can stimulate further development in the criteria of quantum non-Gaussian states and experimental effort to prepare and detect such useful features, navigating the community to advanced quantum physics and technology.</p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"83 ","pages":"Article 100395"},"PeriodicalIF":11.7,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.sciencedirect.com/science/article/pii/S0079672722000210/pdfft?md5=538255cd13e228ac6ace30b2fcd80f41&pid=1-s2.0-S0079672722000210-main.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46046512","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Zixian Wei , Zhaoming Wang , Jianan Zhang , Qian Li , Junping Zhang , H.Y. Fu
{"title":"Evolution of optical wireless communication for B5G/6G","authors":"Zixian Wei , Zhaoming Wang , Jianan Zhang , Qian Li , Junping Zhang , H.Y. Fu","doi":"10.1016/j.pquantelec.2022.100398","DOIUrl":"10.1016/j.pquantelec.2022.100398","url":null,"abstract":"<div><p><span>The research on optical wireless communication (OWC) has been going on for more than two decades. Particularly, </span>visible light communication (VLC), as a means of OWC combining communication with illumination, has been regarded as a promising indoor high-speed wireless approach for short-distance access. Recently, lightwave, millimeter-wave (mmWave), terahertz (THz) and other spectrum mediums are considered as potential candidates for beyond fifth-generation/sixth-generation (B5G/6G) mobile communication networks. On the basis of previous studies, this review focuses on revealing how the research of next-generation OWC technology should be carried out to meet the requirements of B5G/6G for practical deployment. The research, development and engineering transformation of the OWC systems are a paragon of interdisciplinary. It involves a wide discussion on how to build a high-speed, multi-user, full-duplex, white-light OWC system based on existing technologies by showing the innovations and trade-offs at various levels with material, device, air-interface technology, system and network architecture. The compatibility of OWC is emphasized and some advanced heterogeneous OWC systems are presented, which involves the combination or integration of various functions such as sensing, near-infrared (NIR) beam-steering, positioning and coexistence with radio frequency (RF) communication. Finally, several potential directions are pointed out for the actual engineering deployment in the B5G/6G era.</p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"83 ","pages":"Article 100398"},"PeriodicalIF":11.7,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"46335738","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Long Zhang , Jiaqi Hu , Jinqi Wu , Rui Su , Zhanghai Chen , Qihua Xiong , Hui Deng
{"title":"Recent developments on polariton lasers","authors":"Long Zhang , Jiaqi Hu , Jinqi Wu , Rui Su , Zhanghai Chen , Qihua Xiong , Hui Deng","doi":"10.1016/j.pquantelec.2022.100399","DOIUrl":"10.1016/j.pquantelec.2022.100399","url":null,"abstract":"<div><p><span><span>Semiconductor lasers are ubiquitous in modern science and technology for they are compact, fast, and efficient. They require relatively low power and thus are well suited for applications in the information technology. However, in conventional semiconductor lasers, the power required to reach the lasing threshold has a fundamental lower bound determined by the carrier density required to reach </span>population inversion<span>, or the transparency condition. This limitation can be overcome in a new type of laser, a polariton laser, which operates under a different mechanism. Coherent light emission from a polariton laser results from a polariton condensate, which is a coherent, thermodynamically favored many-body state, formed at a much lower carrier density than the population inversion density. Furthermore, since polaritons are matter-light hybrid modes formed via strong coupling between </span></span>excitons and cavity photons, polariton lasers can be controlled via both the photon and exciton components, allowing greater flexibility in tuning and controlling the mode properties. These prospects have propelled intense research effort on polariton lasers in the past few decades. In this article, we will first review the essential properties of polaritons and polariton lasers, followed by recent developments on polariton lasers with unconventional properties and functionalities, and on new material platforms where room temperature polariton lasers have been demonstrated. We will conclude with a brief discussion on prospects of practical applications of polariton lasers.</p></div>","PeriodicalId":414,"journal":{"name":"Progress in Quantum Electronics","volume":"83 ","pages":"Article 100399"},"PeriodicalIF":11.7,"publicationDate":"2022-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41815518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"物理与天体物理","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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