Nonlinear refraction and absorption in 4BCMU planar waveguides at 1.064μm wavelength

J. E. Ehrlich; J. D. Valera; H. Adachihara; J. V. Moloney; A. C. Walker

doi:10.1080/09500349314552181

Nonlinear refraction and absorption in 4BCMU planar waveguides at 1.064μm wavelength

J. E. Ehrlich, J. D. Valera, H. Adachihara, J. V. Moloney, A. C. Walker

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

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Abstract

We have measured the nonlinear refractive index, n₂, and twophoton absorption coefficient, β, in 4BCMU planar waveguides at 1.064μm wavelength using picosecond pulses. We use a beam propagation code, with n₂ and β as fitting parameters, to make numerical comparison with the experimental data. Deduced values from this analysis are n₂ = –1∙5 × 10^-13 cm² W^-1 confirming the negative sign of the nonlinearity at this wavelength, and β=0.01 cm MW^-1.

Original language	English (US)
Pages (from-to)	2151-2160
Number of pages	10
Journal	Journal of Modern Optics
Volume	40
Issue number	11
DOIs	https://doi.org/10.1080/09500349314552181
State	Published - Nov 1 1993
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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10.1080/09500349314552181

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title = "Nonlinear refraction and absorption in 4BCMU planar waveguides at 1.064μm wavelength",

abstract = "We have measured the nonlinear refractive index, n2, and twophoton absorption coefficient, β, in 4BCMU planar waveguides at 1.064μm wavelength using picosecond pulses. We use a beam propagation code, with n2 and β as fitting parameters, to make numerical comparison with the experimental data. Deduced values from this analysis are n2 = –1∙5 × 10-13 cm2 W-1 confirming the negative sign of the nonlinearity at this wavelength, and β=0.01 cm MW-1.",

author = "Ehrlich, {J. E.} and Valera, {J. D.} and H. Adachihara and Moloney, {J. V.} and Walker, {A. C.}",

note = "Funding Information: Acknowledgments The authors thank W . P . Krug, E . Miao, and M . Beranek of the Boeing Company, Seattle, WA, for useful discussions, and for the supply of the 4BCMU samples, and thank A . Darzi for assistance with the mode-locked laser . The work was supported in part under the Nonlinear Optics Initiative of the UK Science and Engineering Research Council .",

year = "1993",

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doi = "10.1080/09500349314552181",

language = "English (US)",

volume = "40",

pages = "2151--2160",

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T1 - Nonlinear refraction and absorption in 4BCMU planar waveguides at 1.064μm wavelength

AU - Ehrlich, J. E.

AU - Valera, J. D.

AU - Adachihara, H.

AU - Moloney, J. V.

AU - Walker, A. C.

N1 - Funding Information: Acknowledgments The authors thank W . P . Krug, E . Miao, and M . Beranek of the Boeing Company, Seattle, WA, for useful discussions, and for the supply of the 4BCMU samples, and thank A . Darzi for assistance with the mode-locked laser . The work was supported in part under the Nonlinear Optics Initiative of the UK Science and Engineering Research Council .

PY - 1993/11/1

Y1 - 1993/11/1

N2 - We have measured the nonlinear refractive index, n2, and twophoton absorption coefficient, β, in 4BCMU planar waveguides at 1.064μm wavelength using picosecond pulses. We use a beam propagation code, with n2 and β as fitting parameters, to make numerical comparison with the experimental data. Deduced values from this analysis are n2 = –1∙5 × 10-13 cm2 W-1 confirming the negative sign of the nonlinearity at this wavelength, and β=0.01 cm MW-1.

AB - We have measured the nonlinear refractive index, n2, and twophoton absorption coefficient, β, in 4BCMU planar waveguides at 1.064μm wavelength using picosecond pulses. We use a beam propagation code, with n2 and β as fitting parameters, to make numerical comparison with the experimental data. Deduced values from this analysis are n2 = –1∙5 × 10-13 cm2 W-1 confirming the negative sign of the nonlinearity at this wavelength, and β=0.01 cm MW-1.

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Nonlinear refraction and absorption in 4BCMU planar waveguides at 1.064μm wavelength

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