Abstract

Femto-second laser writing was used to fabricate waveguides in a z-cut KTP sample with losses below 0.8 dB/cm. They were used for efficient, broad bandwidth, Type II birefringent second harmonic generation to the green. The temperature and wavelength bandwidth were, 28⁰C∙cm and 0.85 nm∙cm, respectively.

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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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  23. Z. Y. Ou, S. F. Pereira, E. S. Polzik, and H. J. Kimble, “85% efficiency for cw frequency doubling from 1.08 to 0.54, µm,” Opt. Lett. 17(9), 640–642 (1992).
    [CrossRef] [PubMed]
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  25. W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
    [CrossRef]

2011 (2)

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

T. Calmano, J. Siebenmorgen, A. Paschke, C. Fiebig, K. Paschke, G. Erbert, K. Petermann, and G. Huber, “Diode pumped high power operation of a femtosecond laser inscribed Yb:YAG waveguide laser,” Opt. Mater. Express 1(3), 428 (2011).
[CrossRef]

2010 (4)

2009 (1)

2007 (2)

S. Campbell, R. R. Thomson, D. P. Hand, A. K. Kar, D. T. Reid, C. Canalias, V. Pasiskevicius, and F. Laurell, “Frequency-doubling in femtosecond laser inscribed periodically-poled potassium titanyl phosphate waveguides,” Opt. Express 15(25), 17146–17150 (2007).
[CrossRef] [PubMed]

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

2006 (2)

J. Burghoff, C. Grebing, S. Nolte, and A. Tünnermann, “Efficient frequency doubling in femtosecond laser-written waveguides in lithium niobate,” Appl. Phys. Lett. 89(8), 081108 (2006).
[CrossRef]

K. Suzuki, V. Sharma, J. G. Fujimoto, E. P. Ippen, and Y. Nasu, “Characterization of symmetric [3 x 3] directional couplers fabricated by direct writing with a femtosecond laser oscillator,” Opt. Express 14(6), 2335–2343 (2006).
[CrossRef] [PubMed]

2005 (2)

2003 (1)

S. Nolte, M. Will, J. Burghoff, and A. Tünnermann, “Femtosecond waveguide writing: a new avenue to three-dimensional integrated optics,” Appl. Phys., A Mater. Sci. Process. 77(1), 109–111 (2003).
[CrossRef]

2001 (1)

P. Bindner, A. Boudrioua, J. C. Loulergue, and P. Moretti, “Formation of planar optical waveguides in potassium titanyl phosphate by double implantation of protons,” Appl. Phys. Lett. 79(16), 2558–2561 (2001).
[CrossRef]

1999 (2)

1996 (1)

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

1994 (1)

1992 (2)

Z. Y. Ou, S. F. Pereira, E. S. Polzik, and H. J. Kimble, “85% efficiency for cw frequency doubling from 1.08 to 0.54, µm,” Opt. Lett. 17(9), 640–642 (1992).
[CrossRef] [PubMed]

F. Laurell, J. B. Brown, and J. D. Bierlein, “Sum‐frequency generation in segmented KTP waveguides,” Appl. Phys. Lett. 60(9), 1064–1066 (1992).
[CrossRef]

1991 (1)

M. G. Roelofs, P. A. Morris, and J. D. Bierlein, “Ion exchange of Rb, Ba, and Sr in KTiOPO4,” J. Appl. Phys. 70(2), 720–728 (1991).
[CrossRef]

1989 (2)

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

J. D. Bierlein and H. Vanherzeele, “Potassium titanyl phosphate: properties and new applications,” J. Opt. Soc. Am. B 6(4), 622–633 (1989).
[CrossRef]

1987 (1)

Ams, M.

Arai, A. Y.

Bierlein, J. D.

F. Laurell, J. B. Brown, and J. D. Bierlein, “Sum‐frequency generation in segmented KTP waveguides,” Appl. Phys. Lett. 60(9), 1064–1066 (1992).
[CrossRef]

M. G. Roelofs, P. A. Morris, and J. D. Bierlein, “Ion exchange of Rb, Ba, and Sr in KTiOPO4,” J. Appl. Phys. 70(2), 720–728 (1991).
[CrossRef]

J. D. Bierlein and H. Vanherzeele, “Potassium titanyl phosphate: properties and new applications,” J. Opt. Soc. Am. B 6(4), 622–633 (1989).
[CrossRef]

Bindner, P.

P. Bindner, A. Boudrioua, J. C. Loulergue, and P. Moretti, “Formation of planar optical waveguides in potassium titanyl phosphate by double implantation of protons,” Appl. Phys. Lett. 79(16), 2558–2561 (2001).
[CrossRef]

Bonnin, C.

Bookey, H. T.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Borrelli, N. F.

Boudrioua, A.

P. Bindner, A. Boudrioua, J. C. Loulergue, and P. Moretti, “Formation of planar optical waveguides in potassium titanyl phosphate by double implantation of protons,” Appl. Phys. Lett. 79(16), 2558–2561 (2001).
[CrossRef]

Boulanger, B.

Bovatsek, J.

Brown, J. B.

F. Laurell, J. B. Brown, and J. D. Bierlein, “Sum‐frequency generation in segmented KTP waveguides,” Appl. Phys. Lett. 60(9), 1064–1066 (1992).
[CrossRef]

Burghoff, J.

J. Burghoff, C. Grebing, S. Nolte, and A. Tünnermann, “Efficient frequency doubling in femtosecond laser-written waveguides in lithium niobate,” Appl. Phys. Lett. 89(8), 081108 (2006).
[CrossRef]

S. Nolte, M. Will, J. Burghoff, and A. Tünnermann, “Femtosecond waveguide writing: a new avenue to three-dimensional integrated optics,” Appl. Phys., A Mater. Sci. Process. 77(1), 109–111 (2003).
[CrossRef]

Byer, R. L.

Cabirol, X.

Calmano, T.

Campbell, S.

Canalias, C.

Cantelar, E.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Cerullo, G.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Chen, F.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Chiodo, N.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Dekker, P.

Dong, N.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Eaton, S. M.

Eckardt, R. C.

Engholm, M.

Erbert, G.

Fan, T. Y.

Fan, Y. X.

Feigelson, R. S.

Feit, M. D.

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

Fève, J. P.

Fiebig, C.

Fujimoto, J. G.

Gaeta, A. L.

Grebing, C.

J. Burghoff, C. Grebing, S. Nolte, and A. Tünnermann, “Efficient frequency doubling in femtosecond laser-written waveguides in lithium niobate,” Appl. Phys. Lett. 89(8), 081108 (2006).
[CrossRef]

Hand, D. P.

Harder, C.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

Hellmig, O.

T. Calmano, J. Siebenmorgen, O. Hellmig, K. Petermann, and G. Huber, “Nd:YAG waveguide laser with 1.3 W output power, fabricated by direct femtosecond laser writing,” Appl. Phys. B 100(1), 131–135 (2010).
[CrossRef]

Herman, P. R.

Herman, S.

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

Homoelle, D.

Hu, B. Q.

Huang, C. E.

Huang, Z.

Huber, G.

Ippen, E. P.

Jaque, D.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Jelger, P.

Kar, A. K.

S. Campbell, R. R. Thomson, D. P. Hand, A. K. Kar, D. T. Reid, C. Canalias, V. Pasiskevicius, and F. Laurell, “Frequency-doubling in femtosecond laser inscribed periodically-poled potassium titanyl phosphate waveguides,” Opt. Express 15(25), 17146–17150 (2007).
[CrossRef] [PubMed]

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Kimble, H. J.

Kowalevicz, A. M.

Laurell, F.

Lenth, W.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

Li, Y.

Lifante, G.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Liu, H.

Lobino, M.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Lou, K.

Loulergue, J. C.

P. Bindner, A. Boudrioua, J. C. Loulergue, and P. Moretti, “Formation of planar optical waveguides in potassium titanyl phosphate by double implantation of protons,” Appl. Phys. Lett. 79(16), 2558–2561 (2001).
[CrossRef]

Lu, F.

Marangoni, M.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Marnier, G.

Marshall, G. D.

Martínez de Mendivil, J.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Meier, H.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

Ménaert, B.

Minoshima, K.

Moretti, P.

P. Bindner, A. Boudrioua, J. C. Loulergue, and P. Moretti, “Formation of planar optical waveguides in potassium titanyl phosphate by double implantation of protons,” Appl. Phys. Lett. 79(16), 2558–2561 (2001).
[CrossRef]

Morris, P. A.

M. G. Roelofs, P. A. Morris, and J. D. Bierlein, “Ion exchange of Rb, Ba, and Sr in KTiOPO4,” J. Appl. Phys. 70(2), 720–728 (1991).
[CrossRef]

Nasu, Y.

Nolte, S.

J. Burghoff, C. Grebing, S. Nolte, and A. Tünnermann, “Efficient frequency doubling in femtosecond laser-written waveguides in lithium niobate,” Appl. Phys. Lett. 89(8), 081108 (2006).
[CrossRef]

S. Nolte, M. Will, J. Burghoff, and A. Tünnermann, “Femtosecond waveguide writing: a new avenue to three-dimensional integrated optics,” Appl. Phys., A Mater. Sci. Process. 77(1), 109–111 (2003).
[CrossRef]

Norin, L.

Osellame, R.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Ou, Z. Y.

Paschke, A.

Paschke, K.

Pasiskevicius, V.

Payne, R. N.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

Pereira, S. F.

Perry, M. D.

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

Petermann, K.

Polzik, E. S.

Psaila, N. D.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Ramponi, R.

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Reid, D. T.

Risk, W. P.

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

Roelofs, M. G.

M. G. Roelofs, P. A. Morris, and J. D. Bierlein, “Ion exchange of Rb, Ba, and Sr in KTiOPO4,” J. Appl. Phys. 70(2), 720–728 (1991).
[CrossRef]

Rubenchik, A. M.

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

Shah, L.

Sharma, V.

Shore, B. W.

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

Siebenmorgen, J.

Smith, C.

Stuart, B. C.

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

Suzuki, K.

Thomson, R. R.

S. Campbell, R. R. Thomson, D. P. Hand, A. K. Kar, D. T. Reid, C. Canalias, V. Pasiskevicius, and F. Laurell, “Frequency-doubling in femtosecond laser inscribed periodically-poled potassium titanyl phosphate waveguides,” Opt. Express 15(25), 17146–17150 (2007).
[CrossRef] [PubMed]

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

Torchia, G. A.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Tu, C.

Tünnermann, A.

J. Burghoff, C. Grebing, S. Nolte, and A. Tünnermann, “Efficient frequency doubling in femtosecond laser-written waveguides in lithium niobate,” Appl. Phys. Lett. 89(8), 081108 (2006).
[CrossRef]

S. Nolte, M. Will, J. Burghoff, and A. Tünnermann, “Femtosecond waveguide writing: a new avenue to three-dimensional integrated optics,” Appl. Phys., A Mater. Sci. Process. 77(1), 109–111 (2003).
[CrossRef]

Vanherzeele, H.

Vázquez de Aldana, J.

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

Villeval, P.

Wang, H. T.

Wang, Y.

Wielandy, S.

Will, M.

S. Nolte, M. Will, J. Burghoff, and A. Tünnermann, “Femtosecond waveguide writing: a new avenue to three-dimensional integrated optics,” Appl. Phys., A Mater. Sci. Process. 77(1), 109–111 (2003).
[CrossRef]

Withford, M. J.

Yoshino, F.

Zhang, H.

Appl. Opt. (1)

Appl. Phys. B (1)

T. Calmano, J. Siebenmorgen, O. Hellmig, K. Petermann, and G. Huber, “Nd:YAG waveguide laser with 1.3 W output power, fabricated by direct femtosecond laser writing,” Appl. Phys. B 100(1), 131–135 (2010).
[CrossRef]

Appl. Phys. Lett. (6)

J. Burghoff, C. Grebing, S. Nolte, and A. Tünnermann, “Efficient frequency doubling in femtosecond laser-written waveguides in lithium niobate,” Appl. Phys. Lett. 89(8), 081108 (2006).
[CrossRef]

R. Osellame, M. Lobino, N. Chiodo, M. Marangoni, G. Cerullo, R. Ramponi, H. T. Bookey, R. R. Thomson, N. D. Psaila, and A. K. Kar, “Femtosecond laser writing of waveguides in periodically poled lithium niobate preserving the nonlinear coefficient,” Appl. Phys. Lett. 90(24), 241107 (2007).
[CrossRef]

N. Dong, J. Martínez de Mendivil, E. Cantelar, G. Lifante, J. Vázquez de Aldana, G. A. Torchia, F. Chen, and D. Jaque, “Self-frequency-doubling of ultrafast laser inscribed neodymium doped yttrium aluminum borate waveguides,” Appl. Phys. Lett. 98(18), 181103 (2011).
[CrossRef]

W. P. Risk, R. N. Payne, W. Lenth, C. Harder, and H. Meier, “Noncritically phasematched frequency doubling using 994 nm dye and diode laser radiation in KTiOP04,” Appl. Phys. Lett. 55(12), 1179–1181 (1989).
[CrossRef]

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[CrossRef]

P. Bindner, A. Boudrioua, J. C. Loulergue, and P. Moretti, “Formation of planar optical waveguides in potassium titanyl phosphate by double implantation of protons,” Appl. Phys. Lett. 79(16), 2558–2561 (2001).
[CrossRef]

Appl. Phys., A Mater. Sci. Process. (1)

S. Nolte, M. Will, J. Burghoff, and A. Tünnermann, “Femtosecond waveguide writing: a new avenue to three-dimensional integrated optics,” Appl. Phys., A Mater. Sci. Process. 77(1), 109–111 (2003).
[CrossRef]

J. Appl. Phys. (1)

M. G. Roelofs, P. A. Morris, and J. D. Bierlein, “Ion exchange of Rb, Ba, and Sr in KTiOPO4,” J. Appl. Phys. 70(2), 720–728 (1991).
[CrossRef]

J. Opt. Soc. Am. B (3)

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Opt. Lett. (4)

Opt. Mater. (1)

F. Laurell, “Periodically poled materials for miniature light sources,” Opt. Mater. 11(2-3), 235–244 (1999).
[CrossRef]

Opt. Mater. Express (1)

Phys. Rev. B Condens. Matter (1)

B. C. Stuart, M. D. Feit, S. Herman, A. M. Rubenchik, B. W. Shore, and M. D. Perry, “Nanosecond-to-femtosecond laser-induced breakdown in dielectrics,” Phys. Rev. B Condens. Matter 53(4), 1749–1761 (1996).
[CrossRef] [PubMed]

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Figures (2)

Fig. 1
Fig. 1

a. Bright-field microscope image of the x-face of the crystal showing a pair of tracks with a distance of 18 μm. B. Visualization of the positions where waveguiding were obtained. The strongest confinement is in-between, on the top and on the bottom, of the two tracks as indicated with the smaller round regions.

Fig. 2
Fig. 2

Near field intensity distribution at 633 nm for two waveguide with track separation 18 μm (a) and 27 μm (b). The tracks are indicated by white dotted lines.

Tables (1)

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Table 1 Comparison of efficiency and bandwidth for laser written waveguides in KTP and lithium niobate

Equations (2)

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1 2 [ n z ( λ F )+ n y ( λ F ) ]= n y ( λ F / 2),
λ F l 2 N eff A ovl ,

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