Laser-related spectroscopic parameters of NV colour centres in diamond

Savitski, Vasili; Fraczek, Elisabeth; Dale, Matthew; Breeze, Ben; Dziechciarczyk, Lukasz; Diggle, Phil L.; Markham, Matthew; Bennett, Andrew M. R.; Dhillon, Harpreet; Newton, Mark E.; Kemp, Alan J.

doi:10.1109/cleoe-eqec.2017.8086316

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A3 Estimation Of Gain Coefficient K 0 and Its Possible Values1

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“…The indicator γ p 0 (ν p ) is realized at weak excitation of the medium (N 0 % N c ). Further, we will neglect the absorption saturation effect and set γ p % γ p 0 in (12). This is all the more reasonable since we estimate the maximum pumping efficiency η p when the dependence E(E p ) is linear.…”

Section: A3 Estimation Of Gain Coefficient K 0 and Its Possible Valuesmentioning

confidence: 99%

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Microjoule‐Range Diamond NV‐Laser with Optical Pumping

Genin

Lipatov

Шулепов

et al. 2023

Physica Rapid Research Ltrs

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Laser generation of NV‐centers in diamond with pulse energy up to 48 μJ and efficiency about 1% is performed. Also, we observe strong influence of low‐intensity short‐wavelength irradiation on pulse energy: in presence of this irradiation the pulse energy increased by factor up to 3.5. Additionally, we make an attempt to estimate theoretically our samples’ gain coefficient. GA. Laser generation with pulse energy up to 48 μJ and efficiency about 1% is performed using diamond, containing NV‐centers, as laser active element. Diamond crystal was pumped by 532 by 532 nm radiation. Also, strong influence of low‐intensity short‐wavelength irradiation on pulse energy is observed: in presence of this irradiation the pulse energy increased by factor up to 3.5.

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Section: A3 Estimation Of Gain Coefficient K 0 and Its Possible Valuesmentioning

confidence: 99%

“…In multiple articles (e.g., refs. [10][11][12][13]) it was theoretically shown that it is possible to obtain laser generation using different color centers in diamond, including NV-center.…”

Section: Introductionmentioning

confidence: 99%