2023
DOI: 10.21203/rs.3.rs-3562753/v1
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Ultra-compact monolithically-integrated silicon single-microring spectrometer breaking the free-spectral-range limitation

Daoxin Dai,
Long Zhang,
Shihan Hong
et al.

Abstract: Highly-integrated spectrometers with performance excellence are extremely desired for various applications, such as consumer electronics and unmanned aerial vehicles. In this paper, an ultra-compact monolithically-integrated single-microring spectrometer on silicon is proposed and realized with a high resolution as well as a broad working window. In particular, an innovative scheme of utilizing the free spectral range (FSR) dispersion for a single-microring and strategically inducing resonant peaks red-shift m… Show more

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