Abstract

Codoping KY(WO4)2:Yb layers with optically inert Lu and Gd ions allows a large increase of the refractive index contrast with respect to KY(WO4)2 substrates. This paves the way for the realization of integrated optical circuits based on this very promising material. First riblike waveguide structures have been fabricated and propagation losses below 1dBcm have been evaluated. A Y-junction with a splitting ratio close to 1:1 and additional losses of 1.4dB has also been demonstrated.

© 2007 Optical Society of America

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  1. N. Kuleshov, A. A. Lagatsky, A. V. Podlipensky, V. P. Mikhailov, and G. Huber, Opt. Lett. 22, 1317 (1997).
    [CrossRef]
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  3. A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).
  4. P. Klopp, V. Petrov, and U. Griebner, Jpn. J. Appl. Phys. 42, L246 (2003).
  5. Y. E. Romanyuk, C. N. Borca, M. Pollnau, S. Rivier, V. Petrov, and U. Griebner, Opt. Lett. 31, 53 (2006).
    [CrossRef] [PubMed]
  6. K.H. Hellwege and A.M. Hellwege, eds., Numerical Data and Functional Relationships in Science and Technology, Landolt-Börnstein Series III/7, Part f (Springer-Verlag, 1977).
  7. B. Ferrand, B. Chambaz, and M. Couchaud, Opt. Mater. (Amsterdam, Neth.) 11, 101 (1999).
    [CrossRef]
  8. Y. E. Romanyuk, 'Liquid-phase epitaxy of doped KY(WO4)2 layers for waveguide lasers,' Ph.D. thesis (Ecole Polytechnique Fédérale de Lausanne, 2005).
  9. R. Baets and E. Lagasse, Appl. Opt. 21, 11 (1982).
    [CrossRef]

2006 (1)

2003 (1)

P. Klopp, V. Petrov, and U. Griebner, Jpn. J. Appl. Phys. 42, L246 (2003).

2000 (1)

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

1999 (1)

B. Ferrand, B. Chambaz, and M. Couchaud, Opt. Mater. (Amsterdam, Neth.) 11, 101 (1999).
[CrossRef]

1997 (2)

N. Kuleshov, A. A. Lagatsky, A. V. Podlipensky, V. P. Mikhailov, and G. Huber, Opt. Lett. 22, 1317 (1997).
[CrossRef]

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

1982 (1)

Baets, R.

Bagayev, S. N.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Borca, C. N.

Butashin, A. V.

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Chambaz, B.

B. Ferrand, B. Chambaz, and M. Couchaud, Opt. Mater. (Amsterdam, Neth.) 11, 101 (1999).
[CrossRef]

Couchaud, M.

B. Ferrand, B. Chambaz, and M. Couchaud, Opt. Mater. (Amsterdam, Neth.) 11, 101 (1999).
[CrossRef]

Ferrand, B.

B. Ferrand, B. Chambaz, and M. Couchaud, Opt. Mater. (Amsterdam, Neth.) 11, 101 (1999).
[CrossRef]

Griebner, U.

Hömmerich, U.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

Huber, G.

Kaminskii, A. A.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Klopp, P.

P. Klopp, V. Petrov, and U. Griebner, Jpn. J. Appl. Phys. 42, L246 (2003).

Kuleshov, N.

Lagasse, E.

Lagatsky, A. A.

Li, L.

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Mikhailov, V. P.

Mironov, V. S.

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Pavlyuk, A. A.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Petrov, V.

Podlipensky, A. V.

Pollnau, M.

Rivier, S.

Romanyuk, Y. E.

Y. E. Romanyuk, C. N. Borca, M. Pollnau, S. Rivier, V. Petrov, and U. Griebner, Opt. Lett. 31, 53 (2006).
[CrossRef] [PubMed]

Y. E. Romanyuk, 'Liquid-phase epitaxy of doped KY(WO4)2 layers for waveguide lasers,' Ph.D. thesis (Ecole Polytechnique Fédérale de Lausanne, 2005).

Seo, J. T.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

Temple, D.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

Ueda, K.

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

Appl. Opt. (1)

Jpn. J. Appl. Phys. (3)

A. A. Kaminskii, L. Li, A. V. Butashin, V. S. Mironov, A. A. Pavlyuk, S. N. Bagayev, and K. Ueda, Jpn. J. Appl. Phys. 36, L107 (1997).

A. A. Kaminskii, U. Hömmerich, D. Temple, J. T. Seo, K. Ueda, S. N. Bagayev, and A. A. Pavlyuk, Jpn. J. Appl. Phys. 38, L208 (2000).

P. Klopp, V. Petrov, and U. Griebner, Jpn. J. Appl. Phys. 42, L246 (2003).

Opt. Lett. (2)

Opt. Mater. (Amsterdam, Neth.) (1)

B. Ferrand, B. Chambaz, and M. Couchaud, Opt. Mater. (Amsterdam, Neth.) 11, 101 (1999).
[CrossRef]

Other (2)

Y. E. Romanyuk, 'Liquid-phase epitaxy of doped KY(WO4)2 layers for waveguide lasers,' Ph.D. thesis (Ecole Polytechnique Fédérale de Lausanne, 2005).

K.H. Hellwege and A.M. Hellwege, eds., Numerical Data and Functional Relationships in Science and Technology, Landolt-Börnstein Series III/7, Part f (Springer-Verlag, 1977).

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Figures (2)

Fig. 1
Fig. 1

(a) Yb 3 + fluorescence near λ 1020 nm guided in a 3.5 μ m thick Lu, Gd codoped KYW:Yb layer optically pumped at λ = 980 nm . (b) Scanning electron microscope image of a 5 μ m wide, 1.8 μ m high rib waveguide etched in a 3.5 μ m thick K Lu 0.253 Gd 0.13 Yb 0.017 Y 0.6 W layer. An aluminum layer is used to reduce charging effects. (c) Intensity distribution of the Yb 3 + fluorescence guided in the 5 μ m wide rib.

Fig. 2
Fig. 2

(a) Schematic layout of the Y-splitter. (b) Topology of the splitting part of the junction measured by atomic force microscopy after both lithography and RIE steps. (c) Fluorescence intensity distribution near λ = 1020 nm observed at the exit of the Y-splitter when 980 nm pump light is fiber end coupled.

Tables (1)

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Table 1 Lattice Parameters of Different KREW Crystals at Room Temperature[6]

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