Search results for "Raman OFC"

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Optical Frequency Combs Generated in Silica Microspheres in the Telecommunication C-, U-, and E-Bands

2021

Optical frequency combs (OFCs) generated in microresonators with whispering gallery modes are demanded for different applications including telecommunications. Extending operating spectral ranges is an important problem for wavelength-division multiplexing systems based on microresonators. We demonstrate experimentally three spectrally separated OFCs in the C-, U-, and E-bands in silica microspheres which, in principle, can be used for telecommunication applications. For qualitative explanation of the OFC generation in the sidebands, we calculated gain coefficients and gain bandwidths for degenerate four-wave mixing (FWM) processes. We also attained a regime when the pump frequency was in t…

Physics::OpticsSoliton (optics)MultiplexingPhysics::GeophysicsFour-wave mixingNonlinear Sciences::Adaptation and Self-Organizing Systemssilica microsphereDispersion (optics)Radiology Nuclear Medicine and imagingApplied optics. PhotonicsInstrumentationMixing (physics)PhysicsComputer simulationQuantitative Biology::Neurons and Cognitionbusiness.industryDegenerate energy levelsAtomic and Molecular Physics and OpticsTA1501-1820Raman OFCoptical frequency comb (OFC)Whispering-gallery wavefour-wave mixingTelecommunicationsbusinesssoliton-like spectrumPhotonics
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