Tait, A.
, Buckley, S.
, Chiles, J.
, McCaughan, A.
, Nam, S.
, Mirin, R.
and Shainline, J.
(2020),
Microring resonator-coupled photoluminescence from silicon W centers, Journal of Physics: Photonics, [online], https://doi.org/10.1088/2515-7647/ab95f2
(Accessed July 4, 2025)
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Microring resonator-coupled photoluminescence from silicon W centers
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Abstract
Defect centers are promising candidates for waveguide-integrated silicon light sources. We demonstrate microresonator- and waveguide-coupled photoluminescence from silicon W centers. Observations indicate that wavelengths that are on-resonance with resonator modes are preferentially coupled to an evanescently coupled waveguide. We introduce an offset collection circuit and method to differentiate waveguide-coupled emission from free-space-coupled emission. These techniques could play a major role in the development of active and passive waveguide-based devices on cryogenic silicon photonic platforms. Further research on W center-resonator coupling could yield a variety of compelling all-silicon active devices.Citation
Journal of Physics: Photonics
Volume
2
Pub Type
Journals
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Created July 9, 2020, Updated October 7, 2020