Related Experiment Video
Updated: Mar 22, 2026
06:42
Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
9.8K
Optical frequency comb generator based on a monolithically integrated passive mode-locked ring laser with a
Optics Letters
|April 30, 2016
Summary
We developed a compact optical-frequency comb generator using a monolithically integrated ring laser. This device offers a wide spectral span and stable comb lines, enabling advanced photonic applications.
Area of Science:
- Photonics and Optical Engineering
- Integrated Optics
- Laser Technology
Background:
- Optical-frequency combs are crucial for precise measurements and communications.
- Monolithic integration offers miniaturization and enhanced functionality for photonic devices.
Purpose of the Study:
- To demonstrate a monolithically integrated optical-frequency comb generator.
- To utilize a passive mode-locked ring laser architecture with a Mach-Zehnder interferometer for spectral flattening.
- To leverage standardized building blocks in a generic foundry for fabrication.
Main Methods:
- Fabrication of a passive mode-locked ring laser using an active/passive integration process.
- Inclusion of a Mach-Zehnder interferometer for spectral shape flattening.
- Characterization of the optical comb's spectral span, spacing, and flatness.
Main Results:
- Demonstration of a monolithically integrated optical-frequency comb generator.
- Achieved a -10 dB spectral span of 8.7 nm (1.08 THz).
- Observed a comb spacing of 10.16 GHz with 44 lines exhibiting a flatness of 1.8 dB power variation.
Conclusions:
- The developed device enables monolithic integration with other optical components.
- The integrated comb generator shows potential for wavelength selection and laser stabilization.
- This work advances the development of compact and versatile photonic devices.
