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Generation and Coherent Control of Pulsed Quantum Frequency Combs
Published on: June 8, 2018
Coherent multi-frequency optical source generation using a femto-second laser and its application for coherent
Optics Express
|June 18, 2009
Summary
We developed a novel coherent multi-frequency light source using a femtosecond laser. This technique enables precise control of multiple continuous wave optical frequencies for advanced spectroscopy and optical frequency standards.
Area of Science:
- Quantum Optics
- Laser Physics
- Spectroscopy
Background:
- Mode-locked femtosecond lasers produce optical frequency combs.
- Generating multiple, stable, coherent continuous wave (CW) optical sources is challenging.
- Coherent spectroscopy requires precisely controlled, multiple optical frequencies.
Purpose of the Study:
- To develop a novel coherent multi-frequency light source.
- To demonstrate its application in coherent spectroscopy.
- To establish a technique for advanced optical frequency standards.
Main Methods:
- Utilizing a mode-locked femtosecond laser as a source of multiple CW optical frequencies.
- Employing femtosecond laser injection-locking (FSLIL) to select and amplify desired optical frequency comb modes.
- Performing coherent spectroscopy on a Lambda-type system of the Cesium D2 line using two generated coherent sources.
Main Results:
- Successfully generated a coherent multi-frequency light source.
- Demonstrated the capability of the source in performing coherent spectroscopy.
- Validated the FSLIL technique for precise mode selection and amplification.
Conclusions:
- The proposed technique provides a robust method for generating coherent multi-frequency light.
- This source is valuable for multi-photon spectroscopy and the development of optical frequency standards.
- Femtosecond laser injection-locking is a key enabler for this multi-frequency generation approach.
