Abstract

We demonstrate polarization-sensitive measurement of the modal content of waveguides by generalizing the classic rotating wave-plate-based polarimeter to wide-field optical low-coherence interferometry. The spatial phases of the modes are retrieved with principal component analysis. By applying this polarization-sensitive cross-correlation (C2) imaging technique to the characterization of a few-mode fiber, we reveal that different modes experience distinct bend-induced birefringence in optical fibers. This polarization-resolved C2 imaging is well suited for analyzing the impact of polarization on wave propagation in high-power fiber lasers as well as in mode-division-multiplexed communications systems.

© 2012 Optical Society of America

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2012

2011

2010

2009

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

P. Nandi, Z. Chen, A. Witkowska, W. J. Wadsworth, T. A. Birks, and J. C. Knight, Opt. Lett. 34, 1123 (2009).
[CrossRef]

2008

2006

1977

Antonio Quiroga, J.

Barankov, R. A.

Belenguer, T.

Berry, H. G.

Birks, T. A.

Bolle, C.

Borchardt, J.

Burrows, E. C.

Chen, Z.

Clarkson, W. A.

Dimarcello, F. V.

Duparré, M.

Esmaeelpour, M.

Essiambre, R.-J.

Flamm, D.

Gabrielse, G.

Ghalmi, S.

Gnauck, A. H.

Kaiser, T.

Knight, J. C.

Leuchs, G.

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

Lingle, R.

Livingston, A. E.

Ma, Y. Z.

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

McCurdy, A. H.

Monberg, E.

Mumtaz, S.

Nandi, P.

Nicholson, J. W.

Nilsson, J.

Onishchukov, G.

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

Peckham, D. W.

Peschel, U.

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

Ramachandran, S.

Randel, S.

Richardson, D. J.

Ryf, R.

Schimpf, D. N.

Schmauss, B.

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

Schmidt, O. A.

Schröter, S.

Schulze, C.

Sierra, A.

Smith, A. V.

Smith, J. J.

Sych, Y.

Y. Z. Ma, Y. Sych, G. Onishchukov, S. Ramachandran, U. Peschel, B. Schmauss, and G. Leuchs, Appl. Phys. B 96, 345 (2009).
[CrossRef]

Vargas, J.

Wadsworth, W. J.

Winzer, P. J.

Wisk, P.

Witkowska, A.

Yablon, A. D.

Yan, M. F.

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Figures (4)

Fig. 1.
Fig. 1.

(a) Conventional polarimeter for the analysis of one beam, (b) interferometric analog that enables gating of the modes by coherence, (c) schematic of the experimental setup (PZ, polarizer; HWP, half-wave plate).

Fig. 2.
Fig. 2.

Retrieved mode-amplitude for LP01 (top) and LP02 (bottom) as a function of QWP angle Θ.

Fig. 3.
Fig. 3.

(a), (b) Stokes-parameter maps for the LP01 and LP02 modes, respectively.

Fig. 4.
Fig. 4.

Retrieved phase of the LP02 mode.

Equations (3)

Equations on this page are rendered with MathJax. Learn more.

Imr=2αmim(x,y)ir(x,y)Re(gmr(x,y,τ)),
gmr=(jm*·jr)(x,y)cmr(ττmr)exp(iψ)exp(iδϕ(x,y)),
Mr,s(Θ)=c0+c2·cos(2Θ)+c4·cos(4Θ)+s2·sin(2Θ)+s4·sin(4Θ).

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