Abstract

A novel hybrid fiber taper is proposed and demonstrated as the coupler in a microsphere laser system. The pump wave and the laser emission, respectively, are more efficiently coupled to and from the sphere modes with this taper structure. A 980-nm pumped erbium–ytterbium codoped phosphate microsphere laser is demonstrated in the 1550-nm band. As much as 112 μW of single-frequency laser output power was measured, with a differential quantum efficiency of 12%.

© 2001 Optical Society of America

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References

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2000

1999

V. S. Ilchenko, X. S. Yao, and L. Maleki, Opt. Lett. 24, 723 (1999).
[CrossRef]

M. Cai, G. Hunziker, and K. Vahala, IEEE Photon. Technol. Lett. 11, 686 (1999).
[CrossRef]

1997

1996

M. L. Gorodetsky, A. A. Savchenkov, and V. S. Ilchenko, Opt. Lett. 21, 453 (1996).
[CrossRef] [PubMed]

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

1995

Arnold, S.

Birks, T. A.

Cai, M.

M. Cai, O. Painter, K. J. Vahala, and P. C. Sercel, Opt. Lett. 25, 1430 (2000).
[CrossRef]

M. Cai, O. Painter, and K. Vahala, Phys. Rev. Lett. 85, 74 (2000).
[CrossRef] [PubMed]

M. Cai, G. Hunziker, and K. Vahala, IEEE Photon. Technol. Lett. 11, 686 (1999).
[CrossRef]

Cheung, G.

Gorodetsky, M. L.

Griffel, G.

Hare, J.

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Haroche, S.

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Hunziker, G.

M. Cai, G. Hunziker, and K. Vahala, IEEE Photon. Technol. Lett. 11, 686 (1999).
[CrossRef]

Ilchenko, V. S.

Jacques, F.

Knight, J. C.

Lefevre-Seguin, V.

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Love, J. D.

A. W. Synder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

Maleki, L.

Painter, O.

Raimond, J. M.

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Sandoghdar, V.

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Savchenkov, A. A.

Sercel, P. C.

Serpenguzel, A.

Synder, A. W.

A. W. Synder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

Treussart, F.

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Vahala, K.

M. Cai, O. Painter, and K. Vahala, Phys. Rev. Lett. 85, 74 (2000).
[CrossRef] [PubMed]

M. Cai, G. Hunziker, and K. Vahala, IEEE Photon. Technol. Lett. 11, 686 (1999).
[CrossRef]

Vahala, K. J.

Yao, X. S.

IEEE Photon. Technol. Lett.

M. Cai, G. Hunziker, and K. Vahala, IEEE Photon. Technol. Lett. 11, 686 (1999).
[CrossRef]

Opt. Lett.

Phys. Rev. A

V. Sandoghdar, F. Treussart, J. Hare, V. Lefevre-Seguin, J. M. Raimond, and S. Haroche, Phys. Rev. A 54, 1777 (1996).
[CrossRef]

Phys. Rev. Lett.

M. Cai, O. Painter, and K. Vahala, Phys. Rev. Lett. 85, 74 (2000).
[CrossRef] [PubMed]

Other

A. W. Synder and J. D. Love, Optical Waveguide Theory (Chapman & Hall, London, 1983).

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Figures (5)

Fig. 1
Fig. 1

Schematic of hybrid fiber taper coupling to a microsphere laser.

Fig. 2
Fig. 2

Image of a hybrid fiber taper–pumped microsphere system.

Fig. 3
Fig. 3

Laser spectrum in the 1550-nm band measured from the 1550-nm fiber end.

Fig. 4
Fig. 4

Laser spectrum observed with a Fabry–Perot etalon, showing the single-mode nature of the microsphere laser. The reference laser scan is from a single-mode laser with a linewidth of 300  kHz.

Fig. 5
Fig. 5

Measured total output laser power versus absorbed pump power in the microsphere.

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