Brillouin Lasing with a<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msub><mml:mi>CaF</mml:mi><mml:mn>2</mml:mn></mml:msub></mml:math>Whispering Gallery Mode Resonator

Grudinin, Ivan S.; Matsko, Andrey B.; Maleki, Lute

doi:10.1103/physrevlett.102.043902

Cited by 327 publications

(273 citation statements)

References 29 publications

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“…2, the phase noise exhibits a non-Schawlow-Townes component. Although Brillouin lasers suppress technical phase noise from the pump 44,41 , it is possible that this noise is contributed by the pump. It is also possible that this noise is environmental related.…”

Section: Resultsmentioning

confidence: 99%

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Microwave synthesizer using an on-chip Brillouin oscillator

2013

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Low-phase-noise microwave oscillators are important to a wide range of subjects, including communications, radar and metrology. Photonic-based microwave-wave sources now provide record, close-to-carrier phase-noise performance, and compact sources using microcavities are available commercially. Photonics-based solutions address a challenging scaling problem in electronics, increasing attenuation with frequency. A second scaling challenge, however, is to maintain low phase noise in reduced form factor and even integrated systems. On this second front, there has been remarkable progress in the area of microcavity devices with large storage time (high optical quality factor). Here we report generation of highly coherent microwaves using a chip-based device that derives stability from high optical quality factor. The device has a record low electronic white-phase-noise floor for a microcavity-based oscillator and is used as the optical, voltage-controlled oscillator in the first demonstration of a photonic-based, microwave frequency synthesizer. The synthesizer performance is comparable to mid-range commercial devices.

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Section: Resultsmentioning

confidence: 99%

“…An ultra-high-Q planar silica-on-silicon disk resonator 15 is used for cascaded Brillouin oscillation and microwave generation. Microcavity-based Brillouin lasers have only recently been demonstrated [41][42][43] . The present devices are silicon-chip based and they feature very high coherence and high quantum efficiency 15,44 .…”

Section: Resultsmentioning

confidence: 99%

Microwave synthesizer using an on-chip Brillouin oscillator

2013

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“…1d,e) while supporting a considerable overlap between the optical and mechanical modes. The acoustic modes are optically excited by means of forward 10,12,13 and backward 9,11 SBS, that is, F-SBS and B-SBS, respectively.…”

Section: Resultsmentioning

confidence: 99%

“…Subsequently, the platforms for Brillouin scattering were extended from bulk materials and fibres, to droplets 6 , nanospheres 7 , photonic-crystal fibres 8 and crystalline resonators 9,10 . The recent demonstration of Brillouin scattering in microspheres 11 was followed by the Brillouin cooling 12 and excitation 10,13 of their vibrational modes as well; which indicates that Brillouin effects can serve as a general mechanism for actuating (and interrogating) vibration in various types of micromechanical resonators.…”

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confidence: 99%

Brillouin cavity optomechanics with microfluidic devices

et al. 2013

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Cavity optomechanics allows the parametric coupling of phonon- and photon-modes in microresonators and is presently investigated in a broad variety of solid-state systems. Optomechanics with superfluids has been proposed as a path towards ultra-low optical- and mechanical-dissipation. However, there have been no optomechanics experiments reported with non-solid phases of matter. Direct liquid immersion of optomechanics experiments is challenging since the acoustic energy simply leaks out to the higher-impedance liquid surrounding the device. Conversely, here we confine liquids inside hollow resonators thereby enabling optical excitation of mechanical whispering-gallery modes at frequencies ranging from 2 MHz to 11,000 MHz (for example, with mechanical Q = 4700 at 99 MHz). Vibrations are sustained even when we increase the fluid viscosity to be higher than that of blood. Our device enables optomechanical investigation with liquids, while light is conventionally coupled from the outer dry side of the capillary, and liquids are provided by means of a standard microfluidic inlet.Comment: 15 pages, 6 figure

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“…The material choices for such resonators include lithium niobate [28,29] , barium borate [30,31] , fluoride crystals [32][33][34][35] , diamond [36] and so on. At this date, SBS has been reported in crystalline WGM resonators made of calcium fluoride [37] and barium fluoride [38] . Compared with other fluoride crystals, barium fluoride is an interesting scintillation crystal for high energy particle detection [39] .…”

Section: Introductionmentioning

confidence: 99%

Opto-acoustic phenomena in whispering gallery mode resonators

Lin

Chembo

2015

International Journal of Optomechatronics

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Optical whispering gallery mode resonators are important platforms to enhance and study various nonlinear frequency conversion processes. Stimulated Brillouin scattering is one of the strongest nonlinear effects, and can be successfully investigated using these platforms. In this article, we study the phenomenon of stimulated Brillouin scattering using a crystalline disk resonator. A fast scanning ringdown spectroscopy technique is used to characterize the optical modes featuring quality factors of the order of one billion at telecom wavelengths. The mW scale threshold power in a centimeter disk resonator is observed and found to be strongly dependent on the gap between the resonator and the prism coupler.

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Brillouin Lasing with aCaF2Whispering Gallery Mode Resonator

Cited by 327 publications

References 29 publications

Microwave synthesizer using an on-chip Brillouin oscillator

Microwave synthesizer using an on-chip Brillouin oscillator

Brillouin cavity optomechanics with microfluidic devices

Opto-acoustic phenomena in whispering gallery mode resonators

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