Abstract

Whispering-gallery modes (WGMs) on Nd3+-doped glass microspheres with a radius of 15μm were measured in a modified confocal microscope, where a dual spatial resolution in both excitation and detection zones was possible. As an alternative to the standard excitation mechanism by an evanescent wave, we used an efficient pumping/ detecting scheme, focusing a laser in the microsphere and exciting the Nd3+ ions, whose fluorescent emission produces the WGMs. We have also measured the generated WGMs by changing the detection zone, where higher amplitude resonances were found when exciting in the center and detecting at the edge of the microsphere.

© 2011 Optical Society of America

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2010 (1)

2008 (1)

2007 (1)

2000 (2)

1999 (3)

1998 (1)

1997 (1)

1996 (1)

1995 (1)

1994 (3)

M. L. Gorodetsky and V. S. Ilchenko, Opt. Commun. 113, 133 (1994).
[CrossRef]

V. S. Ilchenko, M. L. Gorodetsky, and S. P. Vyatchanin, Opt. Commun. 107, 41 (1994).
[CrossRef]

F. Treussart, J. Hare, L. Collot, V. Lefevre, D. S. Weiss, V. Sandoghdar, J. M. Raimond, and S. Haroche, Opt. Lett. 19, 1651 (1994).
[CrossRef] [PubMed]

1991 (1)

1989 (1)

V. B. Braginsky, M. L. Gorodetsky, and V. S. Ilchenko, Phys. Lett. A 137, 393 (1989).
[CrossRef]

1961 (1)

C. G. B. Garrett, W. Kaiser, and W. L. Bond, Phys. Rev. 124, 1807 (1961).
[CrossRef]

Adamovsky, G.

G. Adamovsky and M. V. Otugen, Tech. Rep. NASA/TM—2009-215183 (NASA, 2009).

Arnold, S.

Berneschi, S.

Bond, W. L.

C. G. B. Garrett, W. Kaiser, and W. L. Bond, Phys. Rev. 124, 1807 (1961).
[CrossRef]

Braginsky, V. B.

V. B. Braginsky, M. L. Gorodetsky, and V. S. Ilchenko, Phys. Lett. A 137, 393 (1989).
[CrossRef]

Cai, M.

Chu, S. T.

Collot, L.

Conti, G. Nunzi

Creus, A. H.

Elliott, G. R.

Garrett, C. G. B.

C. G. B. Garrett, W. Kaiser, and W. L. Bond, Phys. Rev. 124, 1807 (1961).
[CrossRef]

Gorodetsky, M. L.

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

M. L. Gorodetsky and V. S. Ilchenko, Opt. Commun. 113, 133 (1994).
[CrossRef]

V. S. Ilchenko, M. L. Gorodetsky, and S. P. Vyatchanin, Opt. Commun. 107, 41 (1994).
[CrossRef]

V. B. Braginsky, M. L. Gorodetsky, and V. S. Ilchenko, Phys. Lett. A 137, 393 (1989).
[CrossRef]

Griffel, G.

Hare, J.

Haroche, S.

Haro-González, P.

Haus, H. A.

Hewak, D. W.

Horak, P.

Ilchenko, V. S.

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

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

M. L. Gorodetsky and V. S. Ilchenko, Opt. Commun. 113, 133 (1994).
[CrossRef]

V. S. Ilchenko, M. L. Gorodetsky, and S. P. Vyatchanin, Opt. Commun. 107, 41 (1994).
[CrossRef]

V. B. Braginsky, M. L. Gorodetsky, and V. S. Ilchenko, Phys. Lett. A 137, 393 (1989).
[CrossRef]

Kaiser, W.

C. G. B. Garrett, W. Kaiser, and W. L. Bond, Phys. Rev. 124, 1807 (1961).
[CrossRef]

Laine, J. P.

Lefevre, V.

Lefèvre-Seguin, V.

V. Lefèvre-Seguin, Opt. Mater. 11, 153 (1999).
[CrossRef]

Little, B. E.

Liu, C. T.

Lock, J. A.

Maleki, L.

Martin, I. R.

Michelson, A.

A. Michelson, Studies in Optics (University of Chicago, 1927).

Murugan, G. S.

Murugan, G. Senthil

Otugen, M. V.

G. Adamovsky and M. V. Otugen, Tech. Rep. NASA/TM—2009-215183 (NASA, 2009).

Painter, O.

Panitchob, Y.

Pelli, S.

Raimond, J. M.

Ramsey, J. M.

Sandoghdar, V.

Savchenkov, A. A.

Sercel, P. C.

Serpenguzel, A.

Treussart, F.

Vahala, K.

Vyatchanin, S. P.

V. S. Ilchenko, M. L. Gorodetsky, and S. P. Vyatchanin, Opt. Commun. 107, 41 (1994).
[CrossRef]

Weiss, D. S.

Whitten, W. B.

Wilkinson, J. S.

Yao, A. S.

Zervas, M. N.

J. Lightwave Technol. (1)

J. Opt. Soc. Am. B (1)

Opt. Commun. (2)

V. S. Ilchenko, M. L. Gorodetsky, and S. P. Vyatchanin, Opt. Commun. 107, 41 (1994).
[CrossRef]

M. L. Gorodetsky and V. S. Ilchenko, Opt. Commun. 113, 133 (1994).
[CrossRef]

Opt. Express (3)

Opt. Lett. (8)

Opt. Mater. (1)

V. Lefèvre-Seguin, Opt. Mater. 11, 153 (1999).
[CrossRef]

Phys. Lett. A (1)

V. B. Braginsky, M. L. Gorodetsky, and V. S. Ilchenko, Phys. Lett. A 137, 393 (1989).
[CrossRef]

Phys. Rev. (1)

C. G. B. Garrett, W. Kaiser, and W. L. Bond, Phys. Rev. 124, 1807 (1961).
[CrossRef]

Other (2)

A. Michelson, Studies in Optics (University of Chicago, 1927).

G. Adamovsky and M. V. Otugen, Tech. Rep. NASA/TM—2009-215183 (NASA, 2009).

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Figures (5)

Fig. 1
Fig. 1

Optical image of one microsphere.

Fig. 2
Fig. 2

Confocal microluminescence setup used.

Fig. 3
Fig. 3

Resonance spectra of the microsphere. The red lower curve corresponds to a configuration in which the pump is at the border of the sphere, while the black upper curve corresponds to one in which it is at the center of the sphere. The inset shows the different pumping schemes.

Fig. 4
Fig. 4

Emission spectra of the precursor glass. (a) Emission spectra obtained by pumping at the center and different detection positions; (b) according to the inset figure (curves D1, D2, and D3) and photoluminescence emission spectrum of the Nd 3 + -doped glass in this wavelength range (blue topmost curve). The inset shows the different detection schemes.

Fig. 5
Fig. 5

Emission spectra at the optimum configuration (black upper curve) and simulated spectra (red lower curve). Peaks are indexed as TE l and TM l (with n = 1 and m = l ).

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