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A Chip-Scale Optical Frequency Reference for the Telecommunication Band Based on Acetylene
Roy Zektzer1, Matthew T Hummon2, Liron Stern2
1Department of Applied Physics, The Benin School of Engineering and Computer Science, The Center for Nanoscience and Nanotechnology The Hebrew University of Jerusalem Jerusalem 91904, Israel.
Laser & Photonics Reviews
|June 7, 2024
Summary
Researchers developed a chip-scale molecular cladded waveguide platform for cost-effective optical frequency references. This miniaturized system enables precise laser stabilization for metrology and communications applications.
Area of Science:
- Quantum optics
- Nanophotonics
- Spectroscopy
Background:
- Precisely stabilized lasers are crucial for metrology and optical communications.
- Chip-scale integration promises reduced cost and new applications in integrated photonics and lidar.
Purpose of the Study:
- To design, fabricate, and characterize a molecular cladded waveguide platform.
- To enable cost-effective, miniaturized, low-power optical frequency references in the telecommunications C-band.
Main Methods:
- Integration of serpentine nanoscale photonic waveguides with a miniaturized acetylene chamber.
- Experimental characterization of the molecular cladded waveguide platform.
Main Results:
- Demonstrated a molecular cladded waveguide platform for laser stabilization.
- Achieved stabilization of a 1.5 micrometer laser with precision better than 400 kHz at 34 seconds.
Conclusions:
- The molecular cladded waveguide platform offers a pathway to miniaturized, cost-effective optical frequency standards.
- Potential for integration with other on-chip components for complete laser stabilization systems.
