Narrow-linewidth stimulated Brillouin fiber laser and applications

Smith, Stephen P.; Zarinetchi, F.; Ezekiel, S.

doi:10.1364/ol.16.000393

Cited by 303 publications

(137 citation statements)

References 10 publications

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“…It has very useful application in many fields such as sensors, [2,3] narrow linewidth lasers, [4,5] slow and fast light, [6,7] light storage, [8] high resolution optical spectrometry [9,10] and microwave signal processing [11,12] . The harnessing of this effect includes the choice of proper materials for both light and acoustic waves and the optical enhancement structure.…”

Section: Introductionmentioning

confidence: 99%

“…Optical fibers with the ability of confining light in a small mode area and a long distance have been successfully used to enhance and study the SBS processes. SBS has thus been demonstrated in traditional fibers, [2][3][4][5][6][7][8][9][10][11][12] photonics crystal fibers [13] and sub-wavelength microfibers [14] . On-chip optical waveguides are also very promising platforms for integrated solutions to harvest the SBS effect [15][16][17] .…”

Section: Introductionmentioning

confidence: 99%

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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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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Opto-acoustic phenomena in whispering gallery mode resonators

Lin

Chembo

2015

International Journal of Optomechatronics

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“…Typical linewidths of stable free-running single-frequency solid-state lasers are a few kilohertz range, whereas the linewidths of semiconductor lasers are often in the megahertz range. Much smaller linewidths, sometimes even below 1 Hz, can be reached by stabilization of lasers, which can be achieved using ultrastable reference cavity [Smith, S. P. et al,1991]. The linewidth of a single frequency laser is the full width at half maximum (FWHM) of the optical spectrum.…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Measurements for Tunable Laser Source Linewidth with Homodyne Detection

Ali¹

2011

CIS

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The linewidth characteristics of a commercial tunable laser source (TLS) are measured experimentally employing self-homodyne detection method. Three linewidths are obtained at different operating wavelengths with two optical fiber delay lengths. It is found that a slightly higher values are obtained with a longer length of the delay fiber. The long of (50 km and 25 km) of single mode fiber SMF is enough to provide delay for the self-homodyne linewidth measurement.

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“…Brillouin fiber lasers (BFLs) have attracted significant interest for decades due to their linewidth narrowing effect. The free-running spectral linewidth of the singlefrequency Brillouin ring fiber laser has been reported to be only a few hertz [6] , which can be several orders of magnitude narrower than that of their single-frequency pump beams. Moreover, the BFL exhibits low relative intensity and frequency noises.…”

mentioning

confidence: 99%

High-efficiency hybrid brillouin/ytterbium fiber laser

Zhang¹,

Jiang²,

Wang³

et al. 2012

中国光学快报

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A high-efficiency hybrid Brillouin/ytterbium fiber laser (BYFL) is demonstrated using a 41.5-cm-long highly ytterbium-doped fiber and a 10-m-long single-mode optical fiber. The BYFL operates at 1 052.92 nm, and the difference between it and the Brillouin pump (BP) wavelength matches the expected stimulated Brillouin scattering (SBS) Stokes shift. Its output power reaches 70.1 mW, which is more than seven times higher than the seeded BP power. The BYFL has an optical signal-to-noise ratio that is greater than 65 dB and has many potential applications, such as in controllable optical delay lines, sensing, and RF photonics.OCIS , optical carrier amplitude control [3] , gyroscopes [4] , and lasers [5] . Brillouin fiber lasers (BFLs) have attracted significant interest for decades due to their linewidth narrowing effect. The free-running spectral linewidth of the singlefrequency Brillouin ring fiber laser has been reported to be only a few hertz [6] , which can be several orders of magnitude narrower than that of their single-frequency pump beams. Moreover, the BFL exhibits low relative intensity and frequency noises. All these advantages make the BFL applicable in controllable optical delay lines, sensing [7] , and radio frequency (RF) photonics [8] . For a conventional ring-cavity Brillouin laser, the pump-coupling ratio depends on the cavity loss and the round-trip phase shift in the cavity, which must be an integer number of 2π to achieve the intensity enhancement. Although the conventional BFL exhibits useful characteristics, it has disadvantages such as the small output power, the requirement of cavity matching to the pump signal, and the difficulty in incorporating intracavity elements because of their associated loss. The hybrid Brillouin/ytterbium fiber laser (BYFL) can overcome these disadvantages by using an ytterbium-doped fiber amplifier to compensate for the resonator losses while still commencing a lasing action from the Brillouin gain.A high-efficiency BYFL based on Ref.[9] is demonstrated in this letter. When the Brillouin pump (BP) power is 9.68 mW, the laser output power reaches 70.1 mW at a 980-nm pump power of 383 mW, compared with that of Guan's work, which obtains only 40 mW of laser output. This BYFL has an optical signal-to-noise ratio (OSNR) that is greater than 65 dB. Figure 1 shows the BYFL configuration. The BP, a distributed feedback laser diode with a linewidth of less than 70 kHz at 1 052.86 nm, was amplified by a fiber amplifier and then seeded into the laser cavity through a circulator and a 70/30 coupler. The BP was first amplified by a 41.5-cm-long highly ytterbium-doped fiber (HYDF) with a pump absorption rate of 975 dB/m. Then, the BP entered into a 10-m-long single-mode fiber (SMF), which functions as the Brillouin gain medium. The Stokes wave was generated in the SMF and circulated clockwise, and a 1 053-nm isolator was inserted in the cavity to prevent the laser from injection locking to the BP. The 70/30 coupler coupled the laser out of the cavity through the 70% port, wherea...

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Narrow-linewidth stimulated Brillouin fiber laser and applications

Cited by 303 publications

References 10 publications

Opto-acoustic phenomena in whispering gallery mode resonators

Opto-acoustic phenomena in whispering gallery mode resonators

Simultaneous Measurements for Tunable Laser Source Linewidth with Homodyne Detection

High-efficiency hybrid brillouin/ytterbium fiber laser

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