Abstract

A wavelength-dependent polarization rotator is used to transform the orthogonal polarizations of the signal and idler of a near-degenerate type II KTP optical parametric oscillator (OPO) into a common polarization state. This common polarization allows a single ZnGeP2 OPO to fully utilize the 2μm signal and idler KTP OPO outputs in a mid-IR conversion. The simple design of the wavelength-dependent polarization rotator yields a compact source that simultaneously generates four mid-IR wavelengths collinearly with a total mid-IR average power of 5.5 W at a>15kHz pulse repetition rate.

© 2006 Optical Society of America

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References

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  1. P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.
  2. E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.
  3. R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.
  4. P. B. Phua, K. S. Lai, R. F. Wu, and T. C. Chong, Opt. Lett. 23, 1262 (1998).
    [CrossRef]
  5. R. Marshall, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, 1996), pp. 368-369.
  6. J. J. Zondy, M. Abed, and S. Khodja, J. Opt. Soc. Am. B 11, 2368 (1994).
    [CrossRef]
  7. G. Kalmani, A. Arie, P. Blau, S. Pearl, and A. V. Smith, Opt. Lett. 30, 2146 (2005).
    [CrossRef] [PubMed]
  8. W. A. Shurcliff, Polarized Light: Production and Use (Harvard U. Press, 1962).

2005

2002

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

1999

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

1998

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

P. B. Phua, K. S. Lai, R. F. Wu, and T. C. Chong, Opt. Lett. 23, 1262 (1998).
[CrossRef]

1996

R. Marshall, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, 1996), pp. 368-369.

1994

1962

W. A. Shurcliff, Polarized Light: Production and Use (Harvard U. Press, 1962).

Abed, M.

Arie, A.

Berg, J.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Blau, P.

Bosenberg, W.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Budni, P. A.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

Cheung, E.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Chia, L.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

Chicklis, E. P.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

Chong, T. C.

Hilyard, R.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Hoefer, C.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Injeyan, H.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Jie, W. J.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

Kalmani, G.

Khodja, S.

Komine, H.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Lai, K. S.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

P. B. Phua, K. S. Lai, R. F. Wu, and T. C. Chong, Opt. Lett. 23, 1262 (1998).
[CrossRef]

Lau, E.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

Lemons, M. L.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

Lim, K. W.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

Lim, Y. L.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

Marshall, R.

R. Marshall, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, 1996), pp. 368-369.

Palese, S.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

Pearl, S.

Phua, P. B.

Pollak, T. M.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

Pomeranz, L. A.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

Schunemann, P. G.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

Shurcliff, W. A.

W. A. Shurcliff, Polarized Light: Production and Use (Harvard U. Press, 1962).

Smith, A. V.

Wong, H. F.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

Wu, R. F.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

P. B. Phua, K. S. Lai, R. F. Wu, and T. C. Chong, Opt. Lett. 23, 1262 (1998).
[CrossRef]

Zondy, J. J.

J. Opt. Soc. Am. B

Opt. Lett.

Other

R. Marshall, in Conference on Lasers and Electro-Optics, Vol. 9 of 1996 OSA Technical Digest Series (Optical Society of America, 1996), pp. 368-369.

P. A. Budni, L. A. Pomeranz, M. L. Lemons, P. G. Schunemann, T. M. Pollak, and E. P. Chicklis, in Advanced Solid State Lasers, W.R.Bosenberg and M.M.Fejer, eds., Vol. 19 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1998), p. 204.

E. Cheung, S. Palese, H. Injeyan, C. Hoefer, R. Hilyard, H. Komine, J. Berg, and W. Bosenberg, in Advanced Solid State Lasers, M.M.Fejer, H.Injeyan, and U.Keller, eds., Vol. 25 of OSA Trends in Optics and Photonics Series (Optical Society of America, 1999), pp. 358-361.

R. F. Wu, K. S. Lai, E. Lau, H. F. Wong, W. J. Jie, Y. L. Lim, K. W. Lim, and L. Chia, in Advanced Solid State Lasers, Vol. 68 of OSA Trends in Optics and Photonics Series (Optical Society of America, 2002), paper TuA4.

W. A. Shurcliff, Polarized Light: Production and Use (Harvard U. Press, 1962).

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Figures (3)

Fig. 1
Fig. 1

Mid-IR source. The wavelength-dependent polarization rotator consists of a birefringent element followed by a quarter-wave plate and a half-wave plate. The slow axis of the birefringent element is 45° with respect to the vertical in physical space. While the slow axis of the quarter-wave plate is horizontal, the slow axis of the half-wave plate depends on the common polarization after it passes through the quarter-wave plate. AO, acoustic-optical.

Fig. 2
Fig. 2

Polarization evolution shown on a Poincaré sphere after each component of the polarization rotator. (a) At input, the horizontally polarized signal (whose SOP is represented by a circle) and the vertically polarized idler (whose SOP is represented by a square) correspond to {1,0,0} and { 1 , 0 , 0 } , respectively, on the sphere. (b) Passing the birefringent element with a 45° slow axis corresponds to a clockwise rotation about {0,1,0} on the Poincaré sphere. Different rates of evolution for the signal and the idler lead to a common polarization, SOP common , after a certain length of the birefringent element. (c) The broadband quarter-wave plate rotates SOP common by 90° about {1,0,0} onto the equator of the sphere to transform it into linearly polarized light that makes an angle of 2 ϕ with respect to { 1 , 0 , 0 } . This corresponds to linearly polarized light with orientation angle ϕ with respect to the vertical in physical space. (d) The broadband half-wave plate with its slow axis oriented an angle of ϕ 2 from the vertical in physical space finally rotates the SOP common by 180° about { cos ϕ , sin ϕ , 0 } into the { 1 , 0 , 0 } direction. This is equivalent to making the common polarization vertically polarized light.

Fig. 3
Fig. 3

Total mid-IR power generated from the ZGP OPO versus the 2.1 μ m pumping power at a 15 kHz pulse repetition rate.

Equations (2)

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Δ θ rot = 2 π l [ ( Δ n s λ s ) ( Δ n i λ i ) ] ,
l match = 1 2 [ ( λ s λ i ) ( Δ n s λ i Δ n i λ s ) ]

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