Abstract

We propose a fiber structure of a square core and ring refractive index profile that converts an input circular polarized Gaussian mode into optical orbital angular momentum (OAM) modes. By breaking the circular symmetry of the waveguide, the input circularly polarized fundamental mode in the square core can be coupled into the ring region to generate higher-order OAM modes, corresponding to the transference of spin angular momentum and orbital angular momentum. We show, by using simulation, the generation of OAM modes with a topological charge l up to 9 using <10mm long fiber. The mode purity is above 96.4% and the extinction ratio can be 30 dB.

© 2012 Optical Society of America

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References

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  1. L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
    [CrossRef]
  2. S. Franke-Arnold, L. Allen, and M. Padgett, Laser Photon. Rev. 2, 299 (2008).
    [CrossRef]
  3. J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
    [CrossRef]
  4. J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
    [CrossRef]
  5. K. Sueda, G. Miyaji, N. Miyanaga, and M. Nakatsuka, Opt. Express 12, 3548 (2004).
    [CrossRef]
  6. D. McGloin, N. B. Simpson, and M. J. Padgett, Appl. Opt. 37, 469 (1998).
    [CrossRef]
  7. P. Z. Dashti, F. Alhassen, and H. P. Lee, Phys. Rev. Lett. 96, 043604 (2006).
    [CrossRef]
  8. S. Ramachandran, P. Kristensen, and M. F. Yan, Opt. Lett. 34, 2525 (2009).
    [CrossRef]
  9. N. Bozinovic, P. Kristensen, and S. Ramachandran, in Conference on Lasers and Electro-Optics (Optical Society of America, 2011), paper CTuB1.
  10. Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
    [CrossRef]
  11. C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.
  12. Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
    [CrossRef]
  13. X. Ma, C. Liu, G. Chang, and A. Galvanauskas, Opt. Express 19, 26515 (2011).
    [CrossRef]
  14. Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
    [CrossRef]
  15. Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
    [CrossRef]
  16. L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
    [CrossRef]
  17. F. Poletti, X. Feng, G. M. Ponzo, M. N. Petrovich, W. H. Loh, and D. J. Richardson, Opt. Express 19, 66 (2011).
    [CrossRef]
  18. W. P. Huang and C. L. Xu, IEEE J. Quantum Electron. 29, 2639 (1993).
    [CrossRef]

2012 (2)

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

2011 (3)

2009 (1)

2008 (1)

S. Franke-Arnold, L. Allen, and M. Padgett, Laser Photon. Rev. 2, 299 (2008).
[CrossRef]

2007 (1)

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

2006 (2)

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

P. Z. Dashti, F. Alhassen, and H. P. Lee, Phys. Rev. Lett. 96, 043604 (2006).
[CrossRef]

2004 (1)

1998 (2)

D. McGloin, N. B. Simpson, and M. J. Padgett, Appl. Opt. 37, 469 (1998).
[CrossRef]

J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
[CrossRef]

1993 (1)

W. P. Huang and C. L. Xu, IEEE J. Quantum Electron. 29, 2639 (1993).
[CrossRef]

1992 (1)

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Ahmed, N.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Alhassen, F.

P. Z. Dashti, F. Alhassen, and H. P. Lee, Phys. Rev. Lett. 96, 043604 (2006).
[CrossRef]

Allen, L.

S. Franke-Arnold, L. Allen, and M. Padgett, Laser Photon. Rev. 2, 299 (2008).
[CrossRef]

J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
[CrossRef]

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Arlt, J.

J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
[CrossRef]

Beijersbergen, M. W.

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Birnbaum, K.

Birnbaum, K. M.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Bozinovic, N.

N. Bozinovic, P. Kristensen, and S. Ramachandran, in Conference on Lasers and Electro-Optics (Optical Society of America, 2011), paper CTuB1.

Buhl, L. L.

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

Chang, G.

Chiu, D. T.

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

Dashti, P. Z.

P. Z. Dashti, F. Alhassen, and H. P. Lee, Phys. Rev. Lett. 96, 043604 (2006).
[CrossRef]

Dholakia, K.

J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
[CrossRef]

Doerr, C. R.

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

Dolinar, S.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Edgar, J. S.

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

Erkmen, B. I.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Fazal, I. M.

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Feng, X.

Fontaine, N. K.

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

Franke-Arnold, S.

S. Franke-Arnold, L. Allen, and M. Padgett, Laser Photon. Rev. 2, 299 (2008).
[CrossRef]

Galvanauskas, A.

Hirano, M.

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

Huang, H.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Huang, W. P.

W. P. Huang and C. L. Xu, IEEE J. Quantum Electron. 29, 2639 (1993).
[CrossRef]

Jeffries, G. D. M.

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

Kristensen, P.

S. Ramachandran, P. Kristensen, and M. F. Yan, Opt. Lett. 34, 2525 (2009).
[CrossRef]

N. Bozinovic, P. Kristensen, and S. Ramachandran, in Conference on Lasers and Electro-Optics (Optical Society of America, 2011), paper CTuB1.

Lee, H. P.

P. Z. Dashti, F. Alhassen, and H. P. Lee, Phys. Rev. Lett. 96, 043604 (2006).
[CrossRef]

Liu, C.

Loh, W. H.

Ma, X.

Manzo, C.

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

Marrucci, L.

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

McGloin, D.

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

D. McGloin, N. B. Simpson, and M. J. Padgett, Appl. Opt. 37, 469 (1998).
[CrossRef]

Miyaji, G.

Miyanaga, N.

Nakatsuka, M.

Padgett, M.

S. Franke-Arnold, L. Allen, and M. Padgett, Laser Photon. Rev. 2, 299 (2008).
[CrossRef]

J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
[CrossRef]

Padgett, M. J.

Paparo, D.

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

Petrovich, M. N.

Poletti, F.

Ponzo, G. M.

Ramachandran, S.

S. Ramachandran, P. Kristensen, and M. F. Yan, Opt. Lett. 34, 2525 (2009).
[CrossRef]

N. Bozinovic, P. Kristensen, and S. Ramachandran, in Conference on Lasers and Electro-Optics (Optical Society of America, 2011), paper CTuB1.

Ren, Y.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Richardson, D. J.

Sasaki, T.

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

Shamee, B.

Simpson, N. B.

Spreeuw, R. J. C.

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Sueda, K.

Tur, M.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Wang, J.

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Willner, A. E.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Winzer, P. J.

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

Woerdman, J. P.

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Xu, C. L.

W. P. Huang and C. L. Xu, IEEE J. Quantum Electron. 29, 2639 (1993).
[CrossRef]

Yan, M. F.

Yan, Y.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Yang, J. Y.

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

Y. Yan, J. Wang, L. Zhang, J. Y. Yang, I. M. Fazal, N. Ahmed, B. Shamee, A. E. Willner, K. Birnbaum, and S. Dolinar, Opt. Lett. 36, 4269 (2011).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Yang, J.-Y.

Yue, Y.

Y. Yue, L. Zhang, Y. Yan, N. Ahmed, J.-Y. Yang, H. Huang, Y. Ren, S. Dolinar, M. Tur, and A. E. Willner, Opt. Lett. 37, 1889 (2012).
[CrossRef]

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

Zhang, L.

Zhao, Y.

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

Appl. Opt. (1)

IEEE J. Quantum Electron. (1)

W. P. Huang and C. L. Xu, IEEE J. Quantum Electron. 29, 2639 (1993).
[CrossRef]

IEEE Photon. J. (1)

Y. Yue, Y. Yan, N. Ahmed, J. Y. Yang, L. Zhang, Y. Ren, H. Huang, K. M. Birnbaum, B. I. Erkmen, S. Dolinar, M. Tur, and A. E. Willner, IEEE Photon. J. 4, 535 (2012).
[CrossRef]

J. Mod. Opt. (1)

J. Arlt, K. Dholakia, L. Allen, and M. Padgett, J. Mod. Opt. 45, 1231 (1998).
[CrossRef]

Laser Photon. Rev. (1)

S. Franke-Arnold, L. Allen, and M. Padgett, Laser Photon. Rev. 2, 299 (2008).
[CrossRef]

Opt. Express (3)

Opt. Lett. (3)

Phys. Rev. A (1)

L. Allen, M. W. Beijersbergen, R. J. C. Spreeuw, and J. P. Woerdman, Phys. Rev. A 45, 8185 (1992).
[CrossRef]

Phys. Rev. Lett. (3)

Y. Zhao, J. S. Edgar, G. D. M. Jeffries, D. McGloin, and D. T. Chiu, Phys. Rev. Lett. 99, 073901 (2007).
[CrossRef]

L. Marrucci, C. Manzo, and D. Paparo, Phys. Rev. Lett. 96, 163905 (2006).
[CrossRef]

P. Z. Dashti, F. Alhassen, and H. P. Lee, Phys. Rev. Lett. 96, 043604 (2006).
[CrossRef]

Other (3)

N. Bozinovic, P. Kristensen, and S. Ramachandran, in Conference on Lasers and Electro-Optics (Optical Society of America, 2011), paper CTuB1.

J. Wang, J. Y. Yang, I. M. Fazal, N. Ahmed, Y. Yan, H. Huang, Y. Ren, Y. Yue, S. Dolinar, M. Tur, and A. E. Willner, Nat. Photon.6, 488 (2012).
[CrossRef]

C. R. Doerr, N. K. Fontaine, M. Hirano, T. Sasaki, L. L. Buhl, and P. J. Winzer, in 37th European Conference and Exhibition on Optical Communication (ECOC) (IEEE, 2011), paper Th.13.A.3.

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Figures (7)

Fig. 1.
Fig. 1.

(a) Cross section of the designed fiber with a central square and a ring structure; (b) refractive index of different regions of the designed fiber.

Fig. 2.
Fig. 2.

(a) Effective refractive index of the eigenmodes supported by the designed fiber. (b) Symmetric and asymmetric modes of HE1,1 (core) and EH3,1 (ring) in the designed fiber. The arrows show the direction of the electric field.

Fig. 3.
Fig. 3.

Intensity and phase of the azimuthal electric field (HE polarized) and radial (EH polarized) electric field of the generated OAM modes.

Fig. 4.
Fig. 4.

Optical power in the square core as the function of fiber length when generating the HE5,1 OAM mode.

Fig. 5.
Fig. 5.

Each column shows the power weight spectra of the generated OAM modes. The top is the spectra of the HE modes and the bottom is the spectra of the EH modes.

Fig. 6.
Fig. 6.

The wavelength dependence of the (a) mode purity and (b) extinction ratio of the generated OAM modes.

Fig. 7.
Fig. 7.

(a) Dependence of coupling length L and wavelength λc on the fillet radius rf of the square core. (b) Dependence of the OAM mode purity (HE l=5) on the input offset d and tilt angle θ.

Tables (1)

Tables Icon

Table 1. Structural Parameters for the OAM Mode Generation of Different Orders

Equations (1)

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Cl=F(x,y)ψl*(x,y)dxdy|Cl|2=1,

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