What is the difference between degenerately pumped and non degenerately pumped OPO?
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Degenerate pumping in optical parametric oscillators (OPOs) involves matching the pump and resonant frequencies, enabling efficient energy conversion . In contrast, non-degenerate pumping utilizes different frequencies, limiting efficiency . Degenerate OPOs can operate without active locking, offering stability and simplicity . On the other hand, non-degenerate systems often require active feedback control for stable operation . Mirrorless OPOs (MOPOs) represent a unique class where feedback is achieved through counter-propagating interactions, offering simplicity and robustness . Degenerate MOPOs have been proposed for high-brightness biphoton sources in quantum optics . Additionally, stabilizing degenerate femtosecond OPOs using parasitic sum-frequency mixing can significantly reduce relative intensity noise compared to dither-locking methods .
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| Papers (5) | Insight |
|---|---|
| Degenerate OPOs naturally stable without active stabilization, while non-degenerate OPOs require stabilization. Degenerate OPOs can achieve broader spectral coverage by increasing intracavity power density. | |
23 Jun 2019 1 Citations | Degenerate OPO operates at a specific wavelength, generating forward and backward waves at degeneracy, while nondegenerate OPO transfers pump spectral contents to the forward wave only. |
6 Citations | Not addressed in the paper. |
| Degenerately pumped OPOs operate at the same frequency, maximizing efficiency, while non-degenerately pumped OPOs operate at different frequencies, limiting efficiency, as discussed in the paper. | |
10 May 2020 | Not addressed in the paper. |
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