Abstract

In this work, we present a novel method to reveal azimuthal whispering gallery modes (WGMs) in a spherical microcavity coated with a nano-meter thick polyelectrolyte shell and one monolayer of CdTe semiconductor quantum dots. The new approach in this experiment is based on the deformation of the spherical shape in a non-contact way using the radiation pressure from a laser beam, which causes the lifting of the degeneracy of the WGMs. The resonance peak linewidth and splitting parameters can be efficiently controlled by the strength of the radiation pressure and the elastic properties of the surface shell.

© 2007 Optical Society of America

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2005

O. V. Lebedeva, B.-S. Kim, K. Vasilev, and O. I. Vinogradova, "Salt softening of polyelectrolyte multilayer microcapsules," J. Colloid Interface Sci. 284, 455-462 (2005).
[CrossRef] [PubMed]

2004

C. Höhberger Metzger and K. Karrai, "Cavity cooling of a microlever," Nature 432, 1002-1005 (2004).
[CrossRef]

V. V. Lulevich, D. Andrienko, and O. I. Vinogradova, "Elasticity of polyelectrolyte multilayer microcapsules," J. Chem. Phys. 120, 3822-3826 (2004).
[CrossRef] [PubMed]

2003

2002

J. E. Molloy and M. J. Padgett, "Lights, action: optical tweezers," Contemp. Phys. 43, 241-258 (2002).
[CrossRef]

M. Sulfridge, Taher Saif, N. Miller, and K. O’Hara, "Optical actuation of a bistable MEMS," J. Microelectromech. Syst. 11, 574-583 (2002).
[CrossRef]

M. Sulfridge, Taher Saif, N. Miller, and K. O’Hara, "Optical actuation of a bistable MEMS," J. Microelectromech. Syst. 11, 574-583 (2002).
[CrossRef]

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

2001

2000

A. Ashkin, "History of optical trapping and manipulation of small-neutral particle, atoms, and molecules," IEEE J. Quantum Electron. 6, 841-856 (2000).
[CrossRef]

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

1999

1998

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

1996

1990

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

1985

Andrienko, D.

V. V. Lulevich, D. Andrienko, and O. I. Vinogradova, "Elasticity of polyelectrolyte multilayer microcapsules," J. Chem. Phys. 120, 3822-3826 (2004).
[CrossRef] [PubMed]

Arnold, S.

Ashkin, A.

A. Ashkin, "History of optical trapping and manipulation of small-neutral particle, atoms, and molecules," IEEE J. Quantum Electron. 6, 841-856 (2000).
[CrossRef]

Barber, P. W.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

H.-M. Tzeng, M. B. Long, R. K. Chang, and P. W. Barber, "Laser-induced shape distortions of flowing droplets deduced from morphology-dependent resonances in fluorescence spectra," Opt. Lett. 10, 209-211 (1985).
[CrossRef] [PubMed]

Bradley, A. L.

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Byrne, S. J.

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Caruso, F.

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Chang, R. K.

Corr, S. A.

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Donegan, J. F.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Dragoman, D.

Dragoman, M.

Eychmueller, A.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

Eychmüller, A.

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Gaponik, N.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

Gauthier, R. C.

Giersig, M.

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Gouesbet, G.

Grehan, G.

Gun’ko, Y. K.

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Haroche, S.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Hill, S. C.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

Höhberger Metzger, C.

C. Höhberger Metzger and K. Karrai, "Cavity cooling of a microlever," Nature 432, 1002-1005 (2004).
[CrossRef]

Holler, S.

Hoppe, K.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

Ilchenko, V. S.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Karrai, K.

C. Höhberger Metzger and K. Karrai, "Cavity cooling of a microlever," Nature 432, 1002-1005 (2004).
[CrossRef]

Khoshsima, M.

Kim, B.-S.

O. V. Lebedeva, B.-S. Kim, K. Vasilev, and O. I. Vinogradova, "Salt softening of polyelectrolyte multilayer microcapsules," J. Colloid Interface Sci. 284, 455-462 (2005).
[CrossRef] [PubMed]

Komarala, V. K.

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Kornowski, A.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Lai, H. M.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

Lebedeva, O. V.

O. V. Lebedeva, B.-S. Kim, K. Vasilev, and O. I. Vinogradova, "Salt softening of polyelectrolyte multilayer microcapsules," J. Colloid Interface Sci. 284, 455-462 (2005).
[CrossRef] [PubMed]

Lefèvre-Seguin, V.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Leung, P. T.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

Long, M. B.

Lulevich, V. V.

V. V. Lulevich, D. Andrienko, and O. I. Vinogradova, "Elasticity of polyelectrolyte multilayer microcapsules," J. Chem. Phys. 120, 3822-3826 (2004).
[CrossRef] [PubMed]

McCabe, E. M.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Mende, H.

Möhwald, H.

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Molloy, J. E.

J. E. Molloy and M. J. Padgett, "Lights, action: optical tweezers," Contemp. Phys. 43, 241-258 (2002).
[CrossRef]

Moore, A.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Padgett, M. J.

J. E. Molloy and M. J. Padgett, "Lights, action: optical tweezers," Contemp. Phys. 43, 241-258 (2002).
[CrossRef]

Pawlowicz, C.

Perova, T.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Raimond, J. -M.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Rakovich, Y. P.

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Ren, K. F.

Rogach, A.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Rogach, A. L.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Shevchenko, E. V.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

Sukhorukov, G. B.

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Sulfridge, M.

M. Sulfridge, Taher Saif, N. Miller, and K. O’Hara, "Optical actuation of a bistable MEMS," J. Microelectromech. Syst. 11, 574-583 (2002).
[CrossRef]

Susha, A. S.

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Taher Saif, M.

M. Sulfridge, Taher Saif, N. Miller, and K. O’Hara, "Optical actuation of a bistable MEMS," J. Microelectromech. Syst. 11, 574-583 (2002).
[CrossRef]

Tait, R. N.

Talapin, D. V.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

Teraoka, I.

Treussart, F.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Trevitt, A. J.

Tzeng, H.-M.

Vasilev, K.

O. V. Lebedeva, B.-S. Kim, K. Vasilev, and O. I. Vinogradova, "Salt softening of polyelectrolyte multilayer microcapsules," J. Colloid Interface Sci. 284, 455-462 (2005).
[CrossRef] [PubMed]

Velichansky, V. L.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Vinogradova, O. I.

O. V. Lebedeva, B.-S. Kim, K. Vasilev, and O. I. Vinogradova, "Salt softening of polyelectrolyte multilayer microcapsules," J. Colloid Interface Sci. 284, 455-462 (2005).
[CrossRef] [PubMed]

V. V. Lulevich, D. Andrienko, and O. I. Vinogradova, "Elasticity of polyelectrolyte multilayer microcapsules," J. Chem. Phys. 120, 3822-3826 (2004).
[CrossRef] [PubMed]

Volikov, P. S.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Vollmer, F.

Wearne, P. J.

Weller, H.

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Yang, L.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Young, K.

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

Appl. Opt.

Colloids. Surf. A

A. S. Susha, F. Caruso, A. L. Rogach, G. B. Sukhorukov, A. Kornowski, H. Möhwald, M. Giersig, A. Eychmüller, and H. Weller, "Formation of luminescent spherical core-shell particles by the consecutive adsorption of polyelectrolyte and CdTe(S) nanocrystals on latex colloids," Colloids. Surf. A 163, 39-44 (2000).
[CrossRef]

Contemp. Phys.

J. E. Molloy and M. J. Padgett, "Lights, action: optical tweezers," Contemp. Phys. 43, 241-258 (2002).
[CrossRef]

IEEE J. Quantum Electron.

A. Ashkin, "History of optical trapping and manipulation of small-neutral particle, atoms, and molecules," IEEE J. Quantum Electron. 6, 841-856 (2000).
[CrossRef]

J. Chem. Phys.

V. V. Lulevich, D. Andrienko, and O. I. Vinogradova, "Elasticity of polyelectrolyte multilayer microcapsules," J. Chem. Phys. 120, 3822-3826 (2004).
[CrossRef] [PubMed]

J. Colloid Interface Sci.

O. V. Lebedeva, B.-S. Kim, K. Vasilev, and O. I. Vinogradova, "Salt softening of polyelectrolyte multilayer microcapsules," J. Colloid Interface Sci. 284, 455-462 (2005).
[CrossRef] [PubMed]

J. Microelectromech. Syst.

M. Sulfridge, Taher Saif, N. Miller, and K. O’Hara, "Optical actuation of a bistable MEMS," J. Microelectromech. Syst. 11, 574-583 (2002).
[CrossRef]

J. Opt. Soc. Am. B

J. Phys. Chem. B

N. Gaponik, D. V. Talapin, A. L. Rogach, K. Hoppe, E. V. Shevchenko, A. Kornowski, A. Eychmueller, and H. Weller, "Thiol-capping of CdTe nanocrystals: an alternative to organometallic synthetic routes," J. Phys. Chem. B 106, 7177-7185 (2002).
[CrossRef]

Nanotechnology

V. K. Komarala, Y. P. Rakovich, A. L. Bradley, S. J. Byrne, S. A. Corr, and Y. K. Gun’ko, "Emission properties of colloidal quantum dots on polyelectrolyte multilayers," Nanotechnology 17, 4117-4122 (2006).
[CrossRef] [PubMed]

Nature

C. Höhberger Metzger and K. Karrai, "Cavity cooling of a microlever," Nature 432, 1002-1005 (2004).
[CrossRef]

Opt. Commun.

V. S. Ilchenko, P. S. Volikov, V. L. Velichansky, F. Treussart, V. Lefèvre-Seguin, J. -M. Raimond, and S. Haroche. "Strain-tunable high-Q optical microsphere resonator," Opt. Commun. 145, 86-90 (1998).
[CrossRef]

Opt. Lett.

Phys. Rev. A

H. M. Lai, P. T. Leung, K. Young, P. W. Barber, and S. C. Hill, "Time-independent perturbation for leaking electromagnetic modes in open systems with application to resonances in microdroplets," Phys. Rev. A 41, 5187-5198 (1990).
[CrossRef] [PubMed]

Semicond. Sci. Technol.

Y. P. Rakovich, L. Yang, E. M. McCabe, J. F. Donegan, T. Perova, A. Moore, N. Gaponik, and A. Rogach, "Whispering gallery mode emission from a composite system of CdTe nanocrystals and a spherical microcavity," Semicond. Sci. Technol. 18, 914-918 (2003).
[CrossRef]

Other

Y. P. Rakovich, J. F. Donegan, M. Gerlach, A. L. Bradley, T. M. Connolly, J. J. Boland, N. Gaponik, and A. L. Rogach, "Fine structure of coupled optical modes in photonic molecules," Phys. Rev. A 70, 051801-1-051801-4 (2004).
[CrossRef]

R. K. Chang, and A. J. Campillo, Optical Processes in Microcavities (World Scientific Pub Co Inc, 1996).
[CrossRef]

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Figures (6)

Fig. 1.
Fig. 1.

Spatial orientation of the optical resonances with respect to the azimuthal mode number m.

Fig. 2.
Fig. 2.

The scheme for radiation force on a spherical microcavity. The inset shows the distortion of the spherical shape caused by the sphere pushed on the substrate.

Fig. 3.
Fig. 3.

Calculation of radiation pressure applied to a microsphere in the sphere centre along the z-axis of Fig. 2.

Fig. 4.
Fig. 4.

PL spectra of microspheres while trapped in a cw laser beam under radiation pressure. (a) and (b) Same microsphere sample (4 bi-layers), excitation power P = 15 mW taken at different focus positions. (c) and (d) Another microsphere sample (5 bi-layers) modified with a salt solution and taken at considerably lower excitation power P = 5 mW, also at different focus positions.

Fig. 5
Fig. 5

Excitation of a single sphere at constant focus position z = -1.7 μm at (a) P = 15 mW and (b) P = 2.5 mW.

Fig. 6.
Fig. 6.

Left hand graph: Measured TE mode and mathematically modelled peak shape of the spectrum in Fig. 4(b). Right hand graph: Measured TE mode and mathematically modelled peak from measurement in Fig. 4(d).

Equations (5)

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λ m ( m , e ) = λ l , n { 1 + e 6 [ 1 3 m 2 l ( l + 1 ) ] }
F rad = 2 P ω 0 2 C pr ,
C pr = λ 2 2 π Σ n = 1 2 n + 1 n ( n + 1 ) g n 2 Re [ a n + b n 2 a n b n * ] + n ( n + 2 ) n + 1 Re [ g n g n + 1 * ( a n + b n + a n + 1 * + b n + 1 * 2 a n a n + 1 * 2 b n b n + 1 * ) ]
g n = ( 1 + i 2 s z 0 ω 0 ) 1 exp ( ik z 0 ) exp [ s 2 ( n 1 ) ( n + 2 ) 1 + i 2 ( sz 0 / ω 0 ) ]
F ( λ ) = I 0 Δλ FWHM ( λ λ 0 ) ( 1 2 Δλ FWHM ) 2 + Σ m = 0 l I Δλ FWHM ( λ λ m ) ( 1 2 Δλ FWHM ) 2 .

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