Highly stable low-noise Brillouin fiber laser with ultranarrow spectral linewidth

Geng, Jihong; Staines, Sean; Wang, Zuolan; Zong, Jie; Blake, Mike; Jiang, Shibin

doi:10.1109/lpt.2006.881145

Cited by 152 publications

(24 citation statements)

References 9 publications

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“…Traditionally, the stimulated Brillouin scattering (SBS) process [17] has been utilized as a means to generate low-noise lasing in bulk-fiber ring cavities [18][19][20][21]. These Brillouin lasers take advantage of the low optical losses in optical fiber and the narrow bandwidth of the SBS gain to achieve single-mode lasing with exceptionally high levels of spectral purity [22,23].…”

Section: Introductionmentioning

confidence: 99%

A microrod-resonator Brillouin laser with 240 Hz absolute linewidth

et al. 2016

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We demonstrate an ultralow-noise microrod-resonator based laser that oscillates on the gain supplied by the stimulated Brillouin scattering optical nonlinearity. Microresonator Brillouin lasers are known to offer an outstanding frequency noise floor, which is limited by fundamental thermal fluctuations.Here, we show experimental evidence that thermal effects also dominate the close-to-carrier frequency fluctuations. The 6 mm diameter microrod resonator used in our experiments has a large optical mode area of ∼100 μm 2 , and hence its 10 ms thermal time constant filters the close-to-carrier optical frequency noise. The result is an absolute laser linewidth of 240 Hz with a corresponding white-frequency noise floor of 0.1 Hz 2 Hz −1 . We explain the steady-state performance of this laser by measurements of its operation state and of its mode detuning and lineshape. Our results highlight a mechanism for noise that is common to many microresonator devices due to the inherent coupling between intracavity power and mode frequency. We demonstrate the ability to reduce this noise through a feedback loop that stabilizes the intracavity power.

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Section: Introductionmentioning

confidence: 99%

A microrod-resonator Brillouin laser with 240 Hz absolute linewidth

et al. 2016

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“…In light of these effects a rich body of applications have been explored such as slow light 1 , stored light 2 , narrowband RF photonic filters [3][4][5] , dynamic optical gratings 6,7 , narrowband spectrometers 8 , optical amplifiers 9,10 and RF sources 11 among others. When pumped in a resonator configuration, a narrow linewidth spectrally pure SBS laser can be generated [12][13][14] . Highly coherent lasers are used in optical communication, LIDAR and producing pure microwave sources 15 among other applications.…”

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confidence: 99%

Compact Brillouin devices through hybrid integration on silicon

Morrison

Casas-Bedoya

Ren

et al. 2017

Optica

158

102

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A range of unique capabilities in optical and microwave signal processing have been demonstrated using stimulated Brillouin scattering. The desire to harness Brillouin scattering in mass manufacturable integrated circuits has led to a focus on silicon-based material platforms. Remarkable progress in silicon-based Brillouin waveguides has been made, but results have been hindered by nonlinear losses present at telecommunications wavelengths. Here, we report a new approach to surpass this issue through the integration of a high Brillouin gain material, As2S3, onto a silicon chip. We fabricated a compact spiral device, within a silicon circuit, achieving an order of magnitude improvement in Brillouin amplification. To establish the flexibility of this approach, we fabricated a ring resonator with free spectral range precisely matched to the Brillouin shift, enabling the first demonstration of Brillouin lasing in a silicon integrated circuit. Combining active photonic components with the SBS devices shown here will enable the creation of compact, mass manufacturable optical circuits with enhanced functionality.Stimulated Brillouin Scattering (SBS) has recently emerged as an impressive tool for optical processing and radio-frequency (RF) photonics. SBS is one of the strongest nonlinearities known to optics, and is capable of providing exponential gain over narrow bandwidths of the order of tens of megahertz. This narrowband amplitude response is accompanied with a strong dispersive response, capable of tailoring the phase or group delay of a counter propagating optical signal. In light of these effects a rich body of applications have been explored such as slow light 1 , stored light 2 , narrowband RF photonic filters [3][4][5] , dynamic optical gratings 6,7 , narrowband spectrometers 8 , optical amplifiers 9,10 and RF sources 11 among others. When pumped in a resonator configuration, a narrow linewidth spectrally pure SBS laser can be generated [12][13][14] . Highly coherent lasers are used in optical communication, LIDAR and producing pure microwave sources 15 among other applications. While the majority of previous works have traditionally utilised SBS in optical fiber, a number of these applications have been demonstrated in integrated form factors [16][17][18][19][20] . Most recently, the demonstration of 52 dB Brillouin gain 21 in centimeter length scale As 2 S 3 rib waveguides proves that performance equivalent to kilometers of optical fiber is achievable in integrated devices.The capability to embed SBS as a functional component in active photonic circuits will enable the creation of a new class of opto-electronic devices, in particular for integrated microwave photonics 22 . The desire to harness SBS optical processing in CMOS (Complementary metaloxide-semiconductor) compatible platforms has recently culminated in demonstrations of SBS in various silicon on insulator (SOI) device architectures [23][24][25][26] In this work we introduce a hybrid integration approach to generate large Brillouin gain in a sili...

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“…Even if the generation of the Brillouin scattering is known to be very harmful to optical links and optical systems like optoelectronic oscillators [5], it can be useful in many other applications, such as low noise and ultra-narrow linewidth Brillouin lasers [7] or in modulation depth enhancement of optically carried RF signals [8]. Our aim here is to use the Brillouin effect generated at very low threshold inside the resonator, to selectively amplify the different optical modulation harmonics generated in the mmw range and thus generate high power and low phase noise mmw frequencies.…”

Section: Fiber Ring Resonatormentioning

confidence: 99%

Millimeter wave generation using Brillouin scattering in a high Q fiber ring resonator

Saleh

Merrer

Llopis

et al. 2012

2012 IEEE International Topical Meeting on Microwave Photonics

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We introduce an efficient technique to optically generate millimeter-wave sources. The technique is based on the frequency multiplication concept using high order harmonics, generated by a Mach-Zehnder modulator, combined with the Brillouin selective side band amplification process in a high Q fiber ring resonator. We demonstrate the generation of a low phase noise 65.2 GHz signal with a power level 15 dB higher than the power level usually obtained using classical frequency multiplication.

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Highly stable low-noise Brillouin fiber laser with ultranarrow spectral linewidth

Cited by 152 publications

References 9 publications

A microrod-resonator Brillouin laser with 240 Hz absolute linewidth

A microrod-resonator Brillouin laser with 240 Hz absolute linewidth

Compact Brillouin devices through hybrid integration on silicon

Millimeter wave generation using Brillouin scattering in a high Q fiber ring resonator

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