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A Telecom O-Band Emitter in Diamond

Author(s): Mukherjee, S; Zhang, Z; Oblinsky, DG; de Vries, MO; Johnson, BC; et al

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Abstract: Color centers in diamond are promising platforms for quantum technologies. Most color centers in diamond discovered thus far emit in the visible or near-infrared wavelength range, which are incompatible with long-distance fiber communication and unfavorable for imaging in biological tissues. Here, we report the experimental observation of a new color center that emits in the telecom O-band, which we observe in silicon-doped bulk single crystal diamonds and microdiamonds. Combining absorption and photoluminescence measurements, we identify a zero-phonon line at 1221 nm and phonon replicas separated by 42 meV. Using transient absorption spectroscopy, we measure an excited state lifetime of around 270 ps and observe a long-lived baseline that may arise from intersystem crossing to another spin manifold.
Publication Date: 29-Mar-2023
Citation: Mukherjee, S, Zhang, Z, Oblinsky, DG, de Vries, MO, Johnson, BC, Gibson, BC, Mayes, ELH, Edmonds, AM, Palmer, N, Markham, ML, Gali, Á, Thiering, G, Dalis, A, Dumm, T, Scholes, GD, Stacey, A, Reineck, P, de Leon, NP. (2023). A Telecom O-Band Emitter in Diamond. Nano Letters, 23 (7), 2557 - 2562. doi:10.1021/acs.nanolett.2c04608
DOI: doi:10.1021/acs.nanolett.2c04608
ISSN: 1530-6984
Pages: 2557 - 2562
Type of Material: Journal Article
Journal/Proceeding Title: Nano Letters
Version: Author's manuscript

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