Excitation of sound waves upon propagation of laser pulses in optical fibres

Biryukov, A. S.; Sukharev, Maxim; Dianov, Evgenii M

doi:10.1070/qe2002v032n09abeh002289

Cited by 66 publications

(139 citation statements)

References 15 publications

Supporting

Mentioning

138

Contrasting

Order By: Relevance

“…However, the transverse acoustic model of optical fibres is known to be deficient and has systematically failed in precisely reproducing the experimental measurements of the first acoustic contribution. 35,42,43 Incidentally, our results may constitute the most accurate measurement of this primary refractive index extremum to date.…”

Section: Resultsmentioning

confidence: 99%

Ultraweak long-range interactions of solitons observed over astronomical distances

et al. 2013

View full text Add to dashboard Cite

We report what we believe is the weakest interaction between solitons ever observed. Our experiment involves temporal optical cavity solitons recirculating in a coherently-driven passive optical fibre ring resonator. We observe two solitons, separated by up to 8,000 times their width, changing their temporal separation by a fraction of an attosecond per round-trip of the 100 m-long resonator, or equivalently 1/10,000 of the wavelength of the soliton carrier wave per characteristic dispersive length. The interactions are so weak that, at the speed of light, they require an effective propagation distance of the order of an astronomical unit to fully develop, i.e. tens of millions of kilometres. The interaction is mediated by transverse acoustic waves generated in the optical fibre by the propagating solitons through electrostriction.Solitons are self-localized wave packets that do not spread, the dispersion of the supporting medium being cancelled by a nonlinear effect. 1-4 They are universal, and in many respects behave like particles. 2 They exert forces on each other and can interact in various ways, elastically or inelastically. 2,5,6 Here we report what we believe is by far the weakest form of soliton interaction ever observed. Using recirculating optical cavity solitons, we report interactions so weak that the solitons shift their positions by only about 10 −7 of their width -amounting to 1/10,000 of the wavelength of the soliton carrier wave -per characteristic dispersive length. At the speed of light, these interactions require effective propagation distances of the order of an astronomical unit (AU) to be revealed, i.e. tens of millions of kilometres. The sheer fact that we can actually observe such ultra-weak interactions in a noisy laboratory environment highlights the robustness and stability of solitons as never-before.Solitons occur in media as diverse as water, DNA, plasma, or ultra-cold gases, 1,7-12 but over the last 20 years optics has led the way in our understanding of soliton interactions because of the ease with which optical solitons can be studied experimentally. [13][14][15][16] Optical solitons have been shown to attract, repel, breakup, merge, orbit each-other or even annihilate. 5,17-21 As in various other media, soliton interactions can be either shortrange, occurring when the tails of neighbouring solitons overlap, 6,17,22,23 or long range, through a coupling with a non-local response, be it optical radiation, charge carriers, or thermal waves. 24-27 The weakest soliton interactions reported are long range, 24,25 but their observation is typically limited by the duration or propagation length over which the solitons can be maintained. In optics, this is often simply dictated by the size of a nonlinear crystal or the length of an optical fibre. To overcome this restriction, our experiment involves solitons recirculating in an optical fibre loop.More specifically, we consider temporal cavity solitons (CSs) propagating in a coherently-driven passive nonlinear fibre ring resonator. 28 Not...

show abstract

Section: Resultsmentioning

confidence: 99%

Ultraweak long-range interactions of solitons observed over astronomical distances

et al. 2013

View full text Add to dashboard Cite

show abstract

“…Each mode is characterized by a cutoff frequency Ω m and a linewidth Γ m . 12,13 The material displacement in GAWBS by R 0m modes is purely radial, and the associated strain field is entirely transverse. The normalized displacement profile is given by 12,13 …”

mentioning

confidence: 99%

“…12,13,16,21 It is independent of the states of polarization (SOPs) of the pump and probe waves. In Eq.…”

mentioning

confidence: 99%

“…The Fourier transform of P(t) is noted byP (Ω), with Ω an RF variable. The pump wave propagates along a fiber of length L. The transverse strain profile of mode R 0m induces photoelastic perturbations to the effective index of a co-propagating optical probe wave, which lead to the modulation of its phase, 12,13,16,21 …”

mentioning

confidence: 99%

“…[11][12][13][14][15][16][17][18][19][20][21] The acoustic modes may be optically stimulated through electro-strictive forces and can scatter guided light waves via photo-elasticity. 12,13 The phenomena are referred to as guided acoustic waves Brillouin scattering (GAWBS), 12 or as forward stimulated Raman-like, inter-polarization or inter-modal scattering. 15 Photonic crystal fibers (PCFs) [14][15][16][17] and micro-structured fibers [18][19][20] applied in a series of papers by Russell and co-workers.…”

mentioning

confidence: 99%

See 2 more Smart Citations

Electro-opto-mechanical radio-frequency oscillator driven by guided acoustic waves in standard single-mode fiber

2017

View full text Add to dashboard Cite

An opto-electronic radio-frequency oscillator that is based on forward scattering by the guided acoustic modes of a standard single-mode optical fiber is proposed and demonstrated.An optical pump wave is used to stimulate narrowband, resonant guided acoustic modes, which introduce phase modulation to a co-propagating optical probe wave. The phase modulation is converted to an intensity signal at the output of a Sagnac interferometer loop.The intensity waveform is detected, amplified and driven back to modulate the optical pump.Oscillations are achieved at a frequency of 319 MHz, which matches the resonance of the acoustic mode that provides the largest phase modulation of the probe wave. Oscillations at the frequencies of competing acoustic modes are suppressed by at least 40 dB. The linewidth of the acoustic resonance is sufficiently narrow to provide oscillations at a single longitudinal mode of the hybrid cavity. Competing longitudinal modes are suppressed by at least 38 dB as well. Unlike other opto-electronic oscillators, no radio-frequency filtering is required within the hybrid cavity. The frequency of oscillations is entirely determined by the fiber optomechanics. Main TextOpto-electronic oscillators (OEOs) are sources of radio-frequency (RF) tones, which combine optical and electrical paths within a closed-loop, hybrid cavity [1][2][3][4].

show abstract

Forward Brillouin Scattering Spectroscopy in Optical Fibers with Whispering‐Gallery Modes

Sánchez,

Delgado‐Pinar,

Díez

et al. 2023

Advanced Optical Materials

View full text Add to dashboard Cite

Opto‐mechanical interactions in different photonic platforms as optical fibers and optical microresonators are raising great attention, and new exciting achievements have been reported in the last few years. Transverse acoustic mode resonances (TAMRs) in optical fibers –which can be excited optically via electrostriction and generate forward Brillouin scattering (FBS)– are being promoted as the physical mechanism for new fiber‐sensing concepts. Here, the study reports a novel approach to detect and characterize opto‐excited TAMRs of an optical fiber based on the interplay with optical surface wave resonances, i.e., optical whispering‐gallery mode (WGM) resonances. TAMRs induce perturbations in the geometry and the dielectric permittivity of the fiber over the entire cross‐section. It is shown that these perturbations couple the acoustic with the optical resonances and affect WGMs in a noticeable way. The study proposes and demonstrates the use of WGMs for probing opto‐excited TAMRs in optical fibers. This probing technique provides the narrowest linewidths ever reported for the TAMRs and demonstrates an optimum efficiency for the detection of low‐order TAMRs. The interplay between sensitivity, bandwidth, and Q factor of the WGM resonance is discussed.

show abstract

Excitation of sound waves upon propagation of laser pulses in optical fibres

Cited by 66 publications

References 15 publications

Ultraweak long-range interactions of solitons observed over astronomical distances

Ultraweak long-range interactions of solitons observed over astronomical distances

Electro-opto-mechanical radio-frequency oscillator driven by guided acoustic waves in standard single-mode fiber

Forward Brillouin Scattering Spectroscopy in Optical Fibers with Whispering‐Gallery Modes

Contact Info

Product

Resources

About