arXiv Open Access 2025

Low-Noise Cascaded Frequency Conversion of $637.2$ nm Light to the Telecommunication C-Band in a Single-Waveguide Device

Fabrice von Chamier Joscha Hanel Chris Müller Wanrong Li Roger Alfredo Kögler +1 lainnya

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Abstrak

Interconnected quantum devices are the building blocks of quantum networks, where state transduction plays a central role. The frequency conversion of photons into the telecommunication C-band is decisive in taking advantage of current low-loss transmission lines. Here, we report the difference frequency conversion of $637.2$ nm fluorescent light from a cluster of NV centers in diamond to tunable wavelengths between $1559.6$ nm and $1565.2$ nm. In order to avoid detrimental noise from spontaneous emissions, we use a two-step conversion device based on a single-pumped periodic poled lithium niobate waveguide. We observed a total external (internal) conversion efficiency of $3.0\pm0.1$ ($20.5\pm0.8$) $\%$ with a noise rate of $2.4\pm0.8$ ($16\pm5$) cps/GHz.

Topik & Kata Kunci

quant-ph physics.optics

Penulis (6)

Fabrice von Chamier

Joscha Hanel

Chris Müller

Wanrong Li

Roger Alfredo Kögler

Oliver Benson

Format Sitasi

APA MLA BibTeX

Chamier, F.v., Hanel, J., Müller, C., Li, W., Kögler, R.A., Benson, O. (2025). Low-Noise Cascaded Frequency Conversion of $637.2$ nm Light to the Telecommunication C-Band in a Single-Waveguide Device. https://arxiv.org/abs/2502.14557

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Informasi Jurnal

Tahun Terbit: 2025
Bahasa: en
Sumber Database: arXiv
Akses: Open Access ✓