Related Experiment Video
Updated: Jun 19, 2026
09:23
Quantum State Engineering of Light with Continuous-wave Optical Parametric Oscillators
Published on: May 30, 2014
Continuous-wave singly resonant optical parametric oscillator based on periodically poled LiNbO(3).
Optics Letters
|October 31, 2009
Summary
We developed a continuous-wave optical parametric oscillator (OPO) using periodically poled lithium niobate. This device achieved over 1.2 W output power, demonstrating efficient wavelength tuning for various applications.
Area of Science:
- Nonlinear Optics
- Laser Physics
Background:
- Optical parametric oscillators (OPOs) are crucial for generating tunable laser light.
- Periodically poled lithium niobate (PPLN) offers efficient nonlinear frequency conversion.
Purpose of the Study:
- To demonstrate a continuous-wave (CW) singly resonant optical parametric oscillator (SROPO).
- To characterize the performance and spectral properties of a PPLN-based SROPO.
Main Methods:
- Constructed a simple two-mirror OPO cavity.
- Utilized a 1.064-micrometer Nd:YAG laser as the pump source.
- Employed periodically poled lithium niobate (PPLN) as the nonlinear medium.
Main Results:
- Achieved a threshold power between 2.6-4.5 W.
- Generated an output power exceeding 1.2 W at 3.3 micrometers.
- Tuned the signal wavelength from 1.45 to 1.62 micrometers and the idler from 3.98 to 3.11 micrometers.
Conclusions:
- The developed PPLN-based SROPO is a robust and efficient source of tunable mid-infrared radiation.
- The device exhibits favorable noise and spectral characteristics for potential applications.
Related Concept Videos
01:28Standing Waves in a Cavity
A household microwave and lasers are examples of standing electromagnetic waves in a cavity. When two conducting metal plates are placed parallel at the nodal planes, it creates a cavity where standing waves are formed. The cavity between the two planes is analogous to a stretched string held at the points x = 0 and x = L. Here, the distance 'L' between the two planes must be an integer multiple of half of the wavelength. The wavelengths that satisfy this condition are given by:
01:30Oscillations In An LC Circuit
An idealized LC circuit of zero resistance can oscillate without any source of emf by shifting the energy stored in the circuit between the electric and magnetic fields. In such an LC circuit, if the capacitor contains a charge q before the switch is closed, then all the energy of the circuit is initially stored in the electric field of the capacitor. This energy is given by