Spaser - Wikipedia
A spaser or plasmonic laser is a type of laser which aims to confine light at a subwavelength scale far below Rayleigh's diffraction limit of light, by storing some of the light energy in electron oscillations called surface plasmon polaritons.
Ten years of spasers and plasmonic nanolasers | Light: Science …
2020年5月25日 · Ten years ago, three teams experimentally demonstrated the first spasers, or plasmonic nanolasers, after the spaser concept was first proposed theoretically in 2003.
Spaser as a biological probe | Nature Communications
2017年6月8日 · Here we introduce a 22-nm spaser (plasmonic nanolaser) with the ability to serve as a super-bright, water-soluble, biocompatible probe capable of generating stimulated emission directly inside...
Spasers explained - Nature Photonics
The spaser is a nanoplasmonic device with dimensions that are less than the skin depth, and it generates only nanolocalized SPs.
Transition from conventional lasers to plasmonic spasers: a …
2021年2月18日 · The spaser is a nanoscale level source of optical field that is studied in a number of laboratories around the world. Spasers offer a wide range of applications, including single-molecule sensing, microscopy, nanoscale lithography and fabrication of …
Spaser as a biological probe - PMC - National Center for …
Here we introduce a 22-nm spaser (plasmonic nanolaser) with the ability to serve as a super-bright, water-soluble, biocompatible probe capable of generating stimulated emission directly inside living cells and animal tissues.
Lasing Spaser in Photonic Crystals - PMC - National Center for ...
2021年2月2日 · Plasmonic nanolasers (spasers) are of intense interest, attributable to their ability to generate a high-intensity coherent radiation. We infiltrated a three-dimensional silica-based photonic crystal (PhC) film with spasers, composed of spherical gold cores, surrounded by silica shells with dye molecules.
Imaging the dark emission of spasers | Science Advances - AAAS
2017年4月14日 · Spasers are a new class of laser devices with cavity sizes free from optical diffraction limit. They are an emergent tool for various applications, including biochemical sensing, superresolution imaging, and on-chip optical communication.
Ten years of spasers and plasmonic nanolasers - PMC
2020年5月25日 · Plasmonic nanolasers, or spasers, are the counterparts of lasers, but instead of emitting photons, spasers emit composite particles made of photons and plasmons on the surfaces of metal nanoparticles. Their applications range from spectroscopic detection, on-chip light sources, and microscopy to optical sensors and probes.
The Spaser Nanolaser - IEEE Spectrum
2009年9月29日 · Surface plasmon resonance nanolasers, or spasers, are the smallest lasers yet made, and their creators say the devices could pave the way toward ultrafast optical computing.