Effect of the geometric parameters of combined optical pumping on the spectral and temporal characteristics of superluminescence in HPHT diamonds with NV⁻ centers
- 1 Saint Petersburg State University of Aerospace Instrumentation (St.-Petersburg, Russia)
Abstract
The paper examines the influence and efficiency of combined optical pumping on the intensity of superluminescence in synthetic HPHT diamond with NV¯ centers.
Purpose – The purpose of this study is to determine the effect of the geometric parameters of combined optical pumping on the intensity and spectral-temporal characteristics of superluminescence.
A significant increase in the intensity of superluminescence was observed when additional radiation with wavelengths of 443 and 403 nm and radiation from a UV lamp with λmax = 392 nm was used in a combined-pumping scheme. Increasing the volume of pumping also led to a sharp increase in the intensity of the superluminescence pulse, while simultaneously reducing its duration.
The practical significance of the work lies in the prospect of using HPHT-diamond as an element of laser generation, namely, in understanding the evolution of the shape of the spectrum of forced radiation from a mode structure to a smooth one. This observation leads to the establishment of a threshold value and conditions for the formation of HPHT-diamonds.
- Received
- 10.07.2026
- Approved after review
- 22.07.2026
- Accepted
- 01.09.2026
How to cite
Мисникова Т.С. Влияние геометрических параметров комбинированной оптической накачки на спектрально-временные характеристики суперлюминесценции HPHT-алмазов с NV¯-центрами // Информационно-измерительные и управляющие системы. 2026. Т. 24. № 5. С. 28−34. DOI: https://doi.org/10.18127/j20700814-202605-05
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