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Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Compact, single-frequency, doubly resonant optical parametric oscillator pumped in an achromatic phase-adapted
B Hardy1, A Berrou, S Guilbaud
1ONERA, The French Aerospace Laboratory, Palaiseau, France.
Optics Letters
|March 4, 2011
Summary
We developed a novel nested-cavity, doubly resonant optical parametric oscillator (NesCOPO) for tunable mid-infrared, single-frequency light generation. This compact, low-threshold laser source is ideal for gas sensing applications.
Area of Science:
- Optics and Photonics
- Laser Physics
Background:
- Optical parametric oscillators (OPOs) are crucial for generating tunable laser light.
- Existing OPO architectures can be complex and sensitive to environmental factors.
Purpose of the Study:
- To develop a simplified, robust, and widely tunable single-frequency mid-infrared laser source.
- To enable practical applications like gas sensing.
Main Methods:
- Introduced a nested-cavity, doubly resonant OPO (NesCOPO) architecture.
- Employed an achromatic phase-adapted double-pass pumping scheme.
- Utilized a semimonolithic design with minimal free-standing components.
Main Results:
- Achieved widely tunable, single-frequency generation in the mid-infrared (3.8-4.3 μm).
- Demonstrated a low-threshold, compact, and mechanically stable laser source.
- Obtained high peak power (up to 50 W) with a high-repetition-rate pump laser.
Conclusions:
- The NesCOPO architecture offers a simple, compact, and tunable solution for mid-infrared generation.
- The demonstrated performance is well-suited for practical gas sensing and other spectroscopic applications.
