Symmetric and asymmetric fiber loop mirrors for observing guided-acoustic-wave Brillouin scattering in polarization-maintaining fibers

Nishizawa, Norihiko; Kume, Satoshi; Mori, Masakazu; Goto, Toshio; Miyauchi, Akira

doi:10.1364/ol.19.001424

Cited by 20 publications

(6 citation statements)

References 10 publications

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“…To detect such an effect, we set up the fiber loop mirror depicted in Fig. 1 [10]. A distributed-feedback (DFB) Erbium-doped fiber laser at 1550 nm is amplified by an Erbium-doped fiber amplifier (EDFA) and amplified spontaneous emission (ASE) is removed by use of a 5 nm bandpass filter because it prevents the measurement of GAWBS.…”

Section: Methodsmentioning

confidence: 99%

Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber

Stiller¹,

Delqué²,

Beugnot³

et al. 2011

Opt. Express

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We present experimental and numerical results demonstrating the simultaneous frequency-selective excitation of several guided acoustic Brillouin modes in a photonic crystal fiber with a multi-scale structure design. These guided acoustic modes are identified by using a full vector finite-element model to result from elastic radial vibrations confined by the wavelength-scale air-silica microstructure. We further show the strong impact of structural irregularities of the fiber on the frequency and modal shape of these acoustic resonances.

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Section: Methodsmentioning

confidence: 99%

Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber

Stiller¹,

Delqué²,

Beugnot³

et al. 2011

Opt. Express

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“…It is noteworthy, however, that BDGs do not constitute inter-modal scattering, as orthogonally polarized optical fields are not coupled directly by acoustic waves. Spontaneous Brillouin scattering in the forward direction over PM fibres has been studied in a series of papers in the 1990s 48 – 50 . To the best of our knowledge, the corresponding stimulated processes have not been investigated.…”

Section: Introductionmentioning

confidence: 99%

Forward stimulated Brillouin scattering and opto-mechanical non-reciprocity in standard polarization maintaining fibres

et al. 2021

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Opto-mechanical interactions in guided wave media are drawing great interest in fundamental research and applications. Forward stimulated Brillouin scattering, in particular, is widely investigated in optical fibres and photonic integrated circuits. In this work, we report a comprehensive study of forward stimulated Brillouin scattering over standard, panda-type polarization maintaining fibres. We distinguish between intra-polarization scattering, in which two pump tones are co-polarized along one principal axis, and inter-polarization processes driven by orthogonally polarized pump waves. Both processes are quantified in analysis, calculations and experiment. Inter-modal scattering, in particular, introduces cross-polarization switching of probe waves that is non-reciprocal. Switching takes place in multiple wavelength windows. The results provide a first demonstration of opto-mechanical non-reciprocity of forward scatter in standard fibre. The inter-polarization process is applicable to distributed sensors of media outside the cladding and coating boundaries, where light cannot reach. The process may be scaled towards forward Brillouin lasers, optical isolators and circulators and narrowband microwave-photonic filters over longer sections of off-the-shelf polarization maintaining fibres.

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“…In this study, a fiber loop mirror is used for the polarized GAWBS measurement. 16,17) With this mirror, we can measure the polarized GAWBS stably without any feedback control systerns. When the branching ratio of the coupler is 1:1, the port B output takes the minimum value and the best sensitivity is obtained for the GAWBS detection.…”

Section: Experimental and Discussionmentioning

confidence: 99%

Characteristics of Guided Acoustic Wave Brillouin Scattering in Polarization Maintaining Fibers

Nishizawa

Kume

Mori

et al. 1996

OPT REV

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Characteristics of guided acoustic wave Brillouin scattering in polarization maintaining fibers are investigated theoretically and experimentally. Spectra of polarized and depolarized scatt.ering are measured for two different types of polarization maintaining fibers: the PANDA (polarization maintaining and absorption reducing) fibers and the elliptical-jacket fibers. Calculated results are in agreement with the experimental ones in the low frequency region.

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Symmetric and asymmetric fiber loop mirrors for observing guided-acoustic-wave Brillouin scattering in polarization-maintaining fibers

Cited by 20 publications

References 10 publications

Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber

Frequency-selective excitation of guided acoustic modes in a photonic crystal fiber

Forward stimulated Brillouin scattering and opto-mechanical non-reciprocity in standard polarization maintaining fibres

Characteristics of Guided Acoustic Wave Brillouin Scattering in Polarization Maintaining Fibers

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