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Synthesis and Operation of Fluorescent-core Microcavities for Refractometric Sensing
Published on: March 13, 2013
Physics and device applications of optical microcavities
Science (New York, N.Y.)
|April 3, 1992
Summary
Optical microcavities, resonators with wavelength-scale dimensions, control light emission properties. They offer potential for novel light-emitting devices and thresholdless lasing through controlled spontaneous emission.
Area of Science:
- Optics and Photonics
- Quantum Optics
- Materials Science
Background:
- Optical microcavities are resonators with dimensions comparable to optical wavelengths.
- These structures significantly influence the optical emission characteristics of embedded materials.
- They are crucial for fundamental physics research on light-matter interactions and vacuum field fluctuations.
Purpose of the Study:
- To explore the capabilities of optical microcavities in controlling light emission.
- To highlight their potential applications in advanced optical devices.
- To investigate phenomena like thresholdless lasing and controlled spontaneous emission.
Main Methods:
- Utilizing optical microcavity structures to confine light.
- Placing materials within microcavities to study their optical properties.
- Analyzing modifications in radiation power distribution, spectral width, and emission rates.
Main Results:
- Demonstrated control over spatial radiation power distribution.
- Observed changes in the spectral width of emitted light.
- Showcased enhancement or suppression of spontaneous emission rates.
Conclusions:
- Optical microcavities offer precise control over light emission.
- They are promising for developing novel light-emitting devices, including those exhibiting thresholdless lasing.
- Controlled spontaneous emission is key for future optical technologies.
