Sub-megahertz spectral dip in a resonator-free twisted gain medium

Ultra-narrow optical spectral features resulting from highly dispersive light–matter interactions are essential for a broad range of applications such as spectroscopy, slow-light and high-precision sensing. Features approaching sub-megahertz or, equivalently, Q -factors up to one billion and beyond,...

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Bibliographic Details
Published in:	Nature photonics Vol. 16; no. 7; pp. 498 - 504
Main Authors:	Choksi, Neel, Liu, Yi, Ghasemi, Rojina, Qian, Li
Format:	Journal Article
Language:	English
Published:	London Nature Publishing Group UK 01-07-2022 Nature Publishing Group
Subjects:	639/624/1075/187 639/624/400/385 639/766/400/385 Applied and Technical Physics Filters Frequency dependence Light Microwave photonics Optimization Photonics Physics Physics and Astronomy Polarization Quantum Physics Resonators Room temperature Spectroscopy
Online Access:	Get full text
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