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High-finesse nanofiber Fabry-Pérot resonator in a portable storage container
S Horikawa1,2, S Yang1,2, T Tanaka1
1Nanofiber Quantum Technologies, Inc., 1-22-3 Nishiwaseda, Shinjuku-ku, Tokyo 169-0051, Japan.
The Review of Scientific Instruments
|July 15, 2024
Summary
We developed methods to characterize and store high-finesse nanofiber Fabry-Pérot resonators. A portable nitrogen-filled container preserves resonator quality, minimizing optical loss for applications in quantum optics and sensing.
Area of Science:
- Optics and Photonics
- Materials Science
- Quantum Technologies
Background:
- High-finesse nanofiber Fabry-Pérot resonators are crucial for advanced optical applications.
- Maintaining resonator quality post-fabrication is essential for reliable performance.
- Existing storage methods may lead to degradation and increased optical loss.
Purpose of the Study:
- To present robust characterization techniques for nanofiber resonators.
- To develop and validate a portable storage solution for these delicate devices.
- To quantify the effectiveness of the storage method in preserving optical properties.
Main Methods:
- Utilized reflection spectroscopy to evaluate mirror transmittances and intra-cavity optical loss.
- Designed and implemented a portable storage container filled with dry, clean nitrogen gas.
- Monitored optical loss over time to assess the storage container's efficacy.
Main Results:
- Successfully characterized the optical properties of the nanofiber resonator.
- Demonstrated that nitrogen gas purging prevents contamination and preserves resonator quality.
- Achieved minimal additional optical loss of less than 0.08% over a one-week storage period.
Conclusions:
- The developed characterization and storage methods are effective for high-finesse nanofiber Fabry-Pérot resonators.
- The portable storage container ensures resonator integrity and minimizes optical loss.
- This facilitates the use of these resonators in diverse experimental setups and applications.
