A unified materials approach to mitigating optical nonlinearities in optical fiber. I. Thermodynamics of optical scattering

Ballato, John; Cavillon, Maxime; Dragic, Peter D.

doi:10.1111/ijag.12327

Cited by 33 publications

(62 citation statements)

References 134 publications

(291 reference statements)

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“…Measurements of p 44 using twist requires that the fiber be free of birefringence. Should this condition not be satisfied, an alternative method for the determination of p 12 requires a direct measurement of the Brillouin gain coefficient, which is proportional to p 12 2 . Both methods were utilized to generate the plots provided in Figure in Companion Paper IIA …”

Section: Property Deduction and The Optical Fibermentioning

confidence: 99%

A unified materials approach to mitigating optical nonlinearities in optical fiber. II. B. The optical fiber, material additivity and the nonlinear coefficients

Dragic

Cavillon

Ballato

et al. 2017

Int J of Appl Glass Sci

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The purpose of this paper, Part IIB in the trilogy [Int J Appl Glass Sci. 2018 (not available); Int J Appl Glass Sci. 2018 (not available); Int J Appl Glass Sci. 2018(not available)], is to describe the continuum models employed to deduce the effects of differential thermal expansion in the clad optical fiber in addition to the nonlinear optical behaviors at high intensities of light. In this continuation of Part IIA, more of the state-of-the-art in W-S-based continuum material models are reviewed here with specific examples provided based on canonical material systems suggested from the findings of Part I and treated in detail in Part III. Part IIB pays particular attention to the optical fiber and its nonlinearities. K E Y W O R D Slasers, optical fibers, optical glasses, optical properties

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Section: Property Deduction and The Optical Fibermentioning

confidence: 99%

A unified materials approach to mitigating optical nonlinearities in optical fiber. II. B. The optical fiber, material additivity and the nonlinear coefficients

Dragic

Cavillon

Ballato

et al. 2017

Int J of Appl Glass Sci

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“…Provided below are examples for the additivity of the optical, acoustic, and thermal properties required to model the performance of fibers designed to materially mitigate the optical nonlinearities described in Companion Paper I . Additional details can also be found in Ref …”

Section: Materials Property Additivitymentioning

confidence: 99%

“…As shown and discussed in Companion Paper I, the Pockels photoelastic coefficient, p 12 , factors into both Brillouin scattering and into the contribution of density fluctuations to Rayleigh scattering. In order to deduce the p 12 coefficients, consider the axial ( z ‐axis) elongation of a fiber due to an applied strain, ε z .…”

Section: Basic Materials Propertiesmentioning

confidence: 99%

“…The specific heat was shown in Companion Paper I to factor into both stimulated thermal Rayleigh scattering, which facilitates transverse mode instabilities (TMI), and the density‐related component of (classical) Rayleigh scattering. Accordingly, its estimation through simple additivity relationships is of practical value.…”

Section: Basic Materials Propertiesmentioning

confidence: 99%

“…The simple answer is simplicity … and speed and versatility. In the work described in Companion Paper III, there are entire binary, ternary, and quaternary glass systems whose properties need to be estimated in order to predict their physical, acoustic, and optical behavior as relates to the nonlinearities described in Paper I . A macro‐scale continuum approach offers a rapid yet sufficiently accurate method for screening large computational spaces.…”

Section: Introductionmentioning

confidence: 99%

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A unified materials approach to mitigating optical nonlinearities in optical fiber. II. A. Material additivity models and basic glass properties

Dragic

Cavillon

Ballato

et al. 2017

Int J of Appl Glass Sci

Self Cite

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The purpose of this paper, Part IIA in the trilogy (Int J Appl Glass Sci. 2018;9:263-277; Int J Appl Glass Sci. 2018 (in press); Int J Appl Glass Sci. 2018 (in press)), is to describe the continuum models employed to deduce the physical, acoustic, and optical properties of optical fibers that exhibit intrinsically low optical nonlinearities. The continuum models described herein are based on the additivity approaches of Winklemann and Schott (W-S). Initially developed over 120 years ago, W-S additivity works well for predicting the basic properties of bulk silicate glasses. While high-silica-content glasses are still the gold-standard for telecommunication and high energy laser fibers, the models have been systematically expanded to include deduction of the physical, thermophysical, and acoustic constants and coefficients that bear on parasitic nonlinearities. The stateof-the-art in W-S-based continuum materials models is reviewed here with specific examples provided based on canonical material systems suggested from the findings of Part I and treated in detail in Part III. K E Y W O R D Slasers, optical fibers, optical glasses, optical properties 1 | INTRODUCTION Without today's understanding of atomistic and quantum physics and chemistry and the benefits of modern high performance computing, our scientific ancestors developed continuum models for predicting the behavior of a range of materials. Amongst the original approaches was that of Adolph Winkelmann, who introduced an additivity approach for calculating the specific heat of (oxide) glasses of arbitrary composition based on the physical properties of the individual components. That said, one does today have the benefit of high performance computing and numerous atomistic and quantum chemical models and codes with which to simulate the performance of glasses.2-4 As a matter of fact, the simulation of glass properties and processing has become so effective, that glasses have been brought to commercial markets entirely designed and optimized based on modeling.5 Accordingly, the Readers are then within their rights to wonder why continuum-level additivity models as described herein are employed. The simple answer is simplicity . . . and speed and versatility. In the work described in Companion Paper III, 6 there are entire binary, ternary, and quaternary glass systems whose properties need to be estimated in order to predict their physical, acoustic, and optical behavior as relates to the nonlinearities described in Paper I. 7 A macroscale continuum approach offers a rapid yet sufficiently accurate method for screening large computational spaces.--

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Functional Fibers and Functional Fiber-Based Components for High-Power Lasers

et al. 2022

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The success of high-power fiber lasers is fueled by maturation of active and passive fibers, combined with the availability of high-power fiber-based components. In this contribution, we first overview the enormous potential of rare-earth doped fibers in spectral coverage and recent developments of key fiber-based components employed in high-power laser systems. Subsequently, the emerging functional active and passive fibers in recent years, which exhibit tremendous advantages in balancing or mitigating parasitic nonlinearities hindering high-power transmission, are outlined from the perspectives of geometric and material engineering. Finally, novel functional applications of conventional fiber-based components for nonlinear suppression or spatial mode selection, and correspondingly, the high-power progress of function fiber-based components in power handling are introduced, which suggest more flexible controllability on high-power laser operations. Graphical abstract

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A unified materials approach to mitigating optical nonlinearities in optical fiber. I. Thermodynamics of optical scattering

Cited by 33 publications

References 134 publications

A unified materials approach to mitigating optical nonlinearities in optical fiber. II. B. The optical fiber, material additivity and the nonlinear coefficients

A unified materials approach to mitigating optical nonlinearities in optical fiber. II. B. The optical fiber, material additivity and the nonlinear coefficients

A unified materials approach to mitigating optical nonlinearities in optical fiber. II. A. Material additivity models and basic glass properties

Functional Fibers and Functional Fiber-Based Components for High-Power Lasers

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