Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback

V. I. Kovalev; R. G. Harrison

doi:10.1364/OE.16.012272

Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback

V. I. Kovalev, R. G. Harrison

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

10 Citations (Scopus)

Abstract

We show that in the generation of stimulated Brillouin scattering (SBS) in long (>1km) fiber, the threshold for observing coherent Stokes emission occurs at notably lower gain than the classical lasing threshold gain for SBS. The effect is due coherent regenerative amplification of strong spontaneous Brillouin scattering, which occurs in the presence of feedback. The magnitude of the effect scales with the length of interaction. © 2008 Optical Society of America.

Original language	English
Pages (from-to)	12272-12277
Number of pages	6
Journal	Optics Express
Volume	16
Issue number	16
DOIs	https://doi.org/10.1364/OE.16.012272
Publication status	Published - 4 Aug 2008

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title = "Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback",

abstract = "We show that in the generation of stimulated Brillouin scattering (SBS) in long (>1km) fiber, the threshold for observing coherent Stokes emission occurs at notably lower gain than the classical lasing threshold gain for SBS. The effect is due coherent regenerative amplification of strong spontaneous Brillouin scattering, which occurs in the presence of feedback. The magnitude of the effect scales with the length of interaction. {\textcopyright} 2008 Optical Society of America.",

author = "Kovalev, {V. I.} and Harrison, {R. G.}",

year = "2008",

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doi = "10.1364/OE.16.012272",

language = "English",

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journal = "Optics Express",

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T1 - Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback

AU - Kovalev, V. I.

AU - Harrison, R. G.

PY - 2008/8/4

Y1 - 2008/8/4

N2 - We show that in the generation of stimulated Brillouin scattering (SBS) in long (>1km) fiber, the threshold for observing coherent Stokes emission occurs at notably lower gain than the classical lasing threshold gain for SBS. The effect is due coherent regenerative amplification of strong spontaneous Brillouin scattering, which occurs in the presence of feedback. The magnitude of the effect scales with the length of interaction. © 2008 Optical Society of America.

AB - We show that in the generation of stimulated Brillouin scattering (SBS) in long (>1km) fiber, the threshold for observing coherent Stokes emission occurs at notably lower gain than the classical lasing threshold gain for SBS. The effect is due coherent regenerative amplification of strong spontaneous Brillouin scattering, which occurs in the presence of feedback. The magnitude of the effect scales with the length of interaction. © 2008 Optical Society of America.

U2 - 10.1364/OE.16.012272

DO - 10.1364/OE.16.012272

M3 - Article

SN - 1094-4087

VL - 16

SP - 12272

EP - 12277

JO - Optics Express

JF - Optics Express

IS - 16

ER -

Abnormally low threshold gain of stimulated Brillouin scattering in long optical fiber with feedback

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