Active Nanophotonics

Volume 108, Issue 5 | May 2020

Guest Editors:

Andrea Alu
Hilmi Volkan Demir
Chennupati Jagadish

Special Issue Papers

Scanning the Issue

By A. Alù, H. V. Demir, and C. Jagadish

Active Nanophotonics

By A. Krasnok and A. Alù

This article reviews recent efforts in enabling active nanophotonic devices for lasing and optical sources, loss compensation, and to realize new optical functionalities at the nanoscale.

Two-Dimensional CdSe-Based Nanoplatelets: Their Heterostructures, Doping, Photophysical Properties, and Applications

By M. Sharma, S. Delikanli, and H. V. Demir

This article reviews the use of quasi-2-D CdSe-based col- loidal quantum wells (nanoplatelets), covering their heterostructures, doping opportunities, and extraordinary photophysical properties, and extending the review to their applications in light-emitting diodes, lasers, and luminescent solar concentrators.

Optical Properties and Light-Emission Device Applications of 2-D Layered Semiconductors

By Y. Li, H. Sun, L. Gan, J. Zhang, J. Feng, D. Zhang, and C.-Z. Ning

This article reviews the use of 2-D layered semiconductors for light emission, optical gain, lasing, and enhanced resonances for nanophotonic applications.

Colloidal Plasmonics for Active Nanophotonics

By S. V. Gaponenko and D. V. Guzatov

This article reviews the use of plasmonic materials to confine light at the nanoscale and enable sensors and light-emitting and photovoltaic devices.

Integrated, Portable, Tunable, and Coherent Terahertz Sources and Sensitive Detectors Based on Layered Superconductors

By K. Delfanazari, R. A. Klemm, H. J. Joyce, D. A. Ritchie, and K. Kadowaki

This article reviews the use of stacks of intrinsic Josephson junctions as terahertz sources, with applications for spectroscopy, imaging, and tomography.

Physical Limits of NanoLEDs and Nanolasers for Optical Communications

By B. Romeira and A. Fiore

This article reviews nanoscale light sources for low-energy, high-density optical communication and sensing systems, comparing nano-light- emitting diodes and nanolasers, and examining their limits in performance as their size scales down.

Active and Tunable Nanophotonics With Dielectric Nanoantennas

By R. Paniagua-Domínguez, S. T. Ha, and A. I. Kuznetsov

This article reviews dielectric nanoantenna arrays to realize tunable and reconfigurable light manipulation, emission, and lasing.

Structured Semiconductor Interfaces: Active Functionality on Light Manipulation

By Y.-W. Huang, H.-X. Xu, S. Sun, Y. Wu, Z. Wang, S. Xiao, W. X. Jiang, T. J. Cui, D. P. Tsai, and C.-W. Qiu

This article presents tunable and reconfigurable metasur- faces based on semiconductor nanoparticles, discussing their potential impact in interface-based nanophotonics.

Lattice Resonances in Optical Metasurfaces With Gain and Loss

By R. Kolkowski and A. F. Koenderink

This article reviews the optical response of arrays of active scatterers to realize light-emitting metasurfaces with tailored emission properties and light-shaping functionalities.

Experimental Investigation of Lasing Modes in Double-Lattice Photonic-Crystal Resonators and Introduction of In-Plane Heterostructures

By M. Yoshida, M. Kawasaki, M. De Zoysa, K. Ishizaki, T. Inoue, Y. Tanaka, R. Hatsuda, and S. Noda

This article reports on light-emitting arrays of nanostruc- tures to implement photonic-crystal surface-emitting lasers supporting large-area coherent lasing.

Electrically Pumped Microring Parity-Time-Symmetric Lasers

By W. E. Hayenga, H. Garcia-Gracia, E. Sanchez Cristobal, M. Parto, H. Hodaei, P. LiKamWa, D. N. Christodoulides, and M. Khajavikhan

This article presents the design and implementation of nanoscale electrically pumped lasers based on microring resonators obeying parity-time symmetry, offering ideal properties for active nanophotonic appli- cations.

Topological Nanophotonics: Toward Robust Quantum Circuits

By A. Blanco-Redondo

This article reviews the field of topological photonics and its relevance for quantum photonic networks and systems.

Point of View

DC Is the Future

By N. Ertugrul and D. Abbott