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Applied Physics Letters / Volume 99 / Issue 22 / LASERS, OPTICS, AND OPTOELECTRONICS

Appl. Phys. Lett. 99, 221111 (2011); http://dx.doi.org/10.1063/1.3665947 (3 pages)

Continuous-wave cascaded-harmonic generation and multi-photon Raman lasing in lithium niobate whispering-gallery resonators

Jeremy Moore, Matthew Tomes, Tal Carmon, and Mona Jarrahi

Department of Electrical Engineering and Computer Science, University of Michigan, Ann Arbor, Michigan 48109, USA

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(Received 28 September 2011; accepted 15 November 2011; published online 1 December 2011)

We report experimental demonstration of continuous-wave cascaded-harmonic generation and Raman lasing in a millimeter-scale lithium niobate whispering-gallery resonator pumped at a telecommunication-compatible infrared wavelength. Intensity enhancement through multiple recirculations in the whispering-gallery resonator and quasi phase-matching through a nonuniform crystal poling enable simultaneous cascaded-harmonic generation up to the fourth-harmonic accompanied by stimulated Raman, two-photon, three-photon, and four-photon Raman scattering corresponding the molecular vibrational wavenumbers 632 and 255 cm−1 in z-cut lithium niobate at pump power levels as low as 200 mW. We demonstrate simultaneous cascaded-harmonic generation and Raman lasing by observing the spectrum of the scattered light from the resonator and by capturing the image of the decoupled light from the resonator on a camera.

© 2011 American Institute of Physics

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KEYWORDS and PACS

Keywords

laser cavity resonators, light scattering, lithium compounds, optical harmonic generation, optical images, optical phase matching, optical pumping, Raman lasers, solid lasers, stimulated Raman scattering, two-photon processes, vibrational modes, whispering gallery modes

PACS

  • 42.65.Ky

    Frequency conversion; harmonic generation, including higher-order harmonic generation

  • 42.55.Rz

    Doped-insulator lasers and other solid state lasers

  • 42.60.By

    Design of specific laser systems

  • 42.60.Da

    Resonators, cavities, amplifiers, arrays, and rings

  • 42.65.Dr

    Stimulated Raman scattering; CARS

  • 42.65.Es

    Stimulated Brillouin and Rayleigh scattering

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3665947

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

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    References

    T. J. Kippenberg, S. M. Spillane, and K. J. Vahala, Phys. Rev. Lett. 93, 083904 (2004).

    V. S. Ilchenko, A. A. Savchenkov, A. B. Matsko, and L. Maleki, Phys. Rev. Lett. 92, 043903 (2004).

    R. K. Qian and S.-X. Chang, Phys. Rev. Lett. 56, 926 (1986).

    L. Yang, T. Carmon, B. Min, S. M. Spillane, and K. J. Vahala, Appl. Phys. Lett. 86, 091114 (2005)APPLAB000086000009091114000001.

    I. S. Grudinin, A. B. Matsko, and L. Maleki, Phys. Rev. Lett. 102, 043902 (2009).

    M. Tomes and T. Carmon, Phys. Rev. Lett. 102, 113601 (2009).

    T. Carmon, H. Rokhsari, L. Yang, T. J. Kippenberg, and K. J. Vahala, Phys. Rev. Lett. 94, 223902 (2005).


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