Stimulated brillouin scattering in photonic integrated circuits: Novel applications and devices
- Publisher:
- IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
- Publication Type:
- Journal Article
- Citation:
- IEEE Journal of Selected Topics in Quantum Electronics, 2016, 22, (2), pp. 336-346
- Issue Date:
- 2016-03-01
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| Filename | Description | Size | |||
|---|---|---|---|---|---|
| Stimulated_Brillouin_Scattering_in_Photonic_Integrated_Circuits_Novel_Applications_and_Devices.pdf | Published version | 5.03 MB |
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The last few years have seen major progress in harnessing on-chip photon-phonon interactions, leading to a wide range of demonstrations of new functionalities. Utilizing not only the optical response of a nonlinear waveguide - but also acoustic resonances - enables the realization of microwave devices with unprecedented performance, otherwise hard to achieve in all-optical processing schemes or electronically. Here, we overview on-chip stimulated Brillouin scattering (SBS) with special emphasis on microwave sources and microwave signal processing schemes. We review the different material platforms and structures for on-chip SBS, ranging from chalcogenide rib waveguides to hybrid silicon/silicon-nitride structures, high-Q photonic-phononic silica microresonators, and suspended silicon nanowires. We show that the paradigm shift in SBS research - from long length of fibers to chip-scale devices - is now moving toward fully integrated photonic-phononic CMOS chips.
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