Abstract

A femtosecond all-fiber laser source incorporating a cw mode-locked Yb-doped silica fiber oscillator and amplifier has been used to synchronously pump an optical parametric oscillator based on periodically poled lithium niobate. The signal output, consisting of 330-fs pulses at a 54-MHz repetition rate and average powers up to 90 mW, was tuned from 1.55 to 1.95 µm, with a corresponding idler range of 2.303.31 µm.

© 2002 Optical Society of America

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  1. B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
    [CrossRef]
  2. L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
    [CrossRef]
  3. A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
    [CrossRef]
  4. N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.
  5. N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
    [CrossRef]
  6. M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
    [CrossRef] [PubMed]
  7. J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.
  8. A. Galvanauskas, Z. Sartania, and M. Bischoff, in Advanced Solid State Lasers, Vol. 50 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), postdeadline paper PD3.
  9. D. Findlay and R. A. Clay, Phys. Lett. 20, 277 (1966).
    [CrossRef]
  10. D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
    [CrossRef]
  11. D. H. Jundt, Opt. Lett. 22, 1553 (1997).
    [CrossRef]
  12. L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
    [CrossRef]
  13. P. Loza-Alvarez, C. T. A. Brown, D. T. Reid, and W. Sibbett, Opt. Lett. 24, 1523 (1999).
    [CrossRef]
  14. M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
    [CrossRef]
  15. J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
    [CrossRef]
  16. R. C. Sharp, D. E. Spock, N. Pan, and J. Elliot, Opt. Lett. 21, 881 (1996).
    [CrossRef] [PubMed]

2001 (2)

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

2000 (2)

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
[CrossRef]

1999 (2)

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

P. Loza-Alvarez, C. T. A. Brown, D. T. Reid, and W. Sibbett, Opt. Lett. 24, 1523 (1999).
[CrossRef]

1998 (2)

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

1997 (1)

1996 (1)

1994 (1)

J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
[CrossRef]

1980 (1)

B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
[CrossRef]

1966 (1)

D. Findlay and R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Bareika, B.

B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
[CrossRef]

Barty, C.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Bischoff, M.

A. Galvanauskas, Z. Sartania, and M. Bischoff, in Advanced Solid State Lasers, Vol. 50 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), postdeadline paper PD3.

Boller, K.-J.

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
[CrossRef]

Broderick, N. G. R.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

Brown, C. T. A.

Butterworth, S. D.

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

Caplen, J.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

Caplen, J. E.

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

Clay, R. A.

D. Findlay and R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Dikchyus, G.

B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
[CrossRef]

Dong, L.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

Dudley, J. M.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
[CrossRef]

Ebrahimzadeh, M.

J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
[CrossRef]

Elliot, J.

Fermann, M. E.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

Findlay, D.

D. Findlay and R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Fry, A.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Galvanauskas, A.

A. Galvanauskas, Z. Sartania, and M. Bischoff, in Advanced Solid State Lasers, Vol. 50 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), postdeadline paper PD3.

Grudinin, A. B.

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

Hanna, D. C.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

Harvey, J. D.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

Jundt, D. H.

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

D. H. Jundt, Opt. Lett. 22, 1553 (1997).
[CrossRef]

Keller, U.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Klein, M. E.

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
[CrossRef]

Kruglov, V. I.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

Lefort, L.

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Loza-Alvarez, P.

Minelly, J. D.

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

O’Connor, M. V.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Offerhaus, H. L.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

Pan, N.

Paschotta, R.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Piskarskas, A.

B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
[CrossRef]

Price, J. H. V.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Puech, K.

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

Reid, D. T.

P. Loza-Alvarez, C. T. A. Brown, D. T. Reid, and W. Sibbett, Opt. Lett. 24, 1523 (1999).
[CrossRef]

J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
[CrossRef]

Richardson, D. J.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Robertson, A.

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
[CrossRef]

Ross, G. W.

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

Sammut, R. A.

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

Sartania, Z.

A. Galvanauskas, Z. Sartania, and M. Bischoff, in Advanced Solid State Lasers, Vol. 50 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), postdeadline paper PD3.

Sharp, R. C.

Shepherd, D. P.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Sibbett, W.

P. Loza-Alvarez, C. T. A. Brown, D. T. Reid, and W. Sibbett, Opt. Lett. 24, 1523 (1999).
[CrossRef]

J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
[CrossRef]

Sirutkaitis, V.

B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
[CrossRef]

Smith, P. G. R.

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

Spock, D. E.

Spuhler, G. J.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Svirko, Y. P.

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

Thomsen, B. C.

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

Traynor, N. J.

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

Tremont, M. A.

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
[CrossRef]

Wallenstein, R.

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

A. Robertson, M. E. Klein, M. A. Tremont, K.-J. Boller, and R. Wallenstein, Opt. Lett. 25, 657 (2000).
[CrossRef]

Watson, M. A.

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Weston, J.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

Appl. Phys. B (1)

M. E. Klein, A. Robertson, M. A. Tremont, R. Wallenstein, and K.-J. Boller, Appl. Phys. B 73, 1 (2001).
[CrossRef]

Appl. Phys. Lett. (1)

L. Lefort, K. Puech, G. W. Ross, Y. P. Svirko, and D. C. Hanna, Appl. Phys. Lett. 73, 1610 (1998).
[CrossRef]

J. Phys. D (1)

D. C. Hanna, M. V. O’Connor, M. A. Watson, and D. P. Shepherd, J. Phys. D 34, 2440 (2001).
[CrossRef]

Opt. Commun. (2)

J. M. Dudley, D. T. Reid, M. Ebrahimzadeh, and W. Sibbett, Opt. Commun. 104, 419 (1994).
[CrossRef]

L. Lefort, K. Puech, S. D. Butterworth, G. W. Ross, P. G. R. Smith, D. C. Hanna, and D. H. Jundt, Opt. Commun. 152, 55 (1998).
[CrossRef]

Opt. Fiber Technol. (1)

N. G. R. Broderick, H. L. Offerhaus, D. J. Richardson, R. A. Sammut, J. Caplen, and L. Dong, Opt. Fiber Technol. 5, 185 (1999).
[CrossRef]

Opt. Lett. (4)

Phys. Lett. (1)

D. Findlay and R. A. Clay, Phys. Lett. 20, 277 (1966).
[CrossRef]

Phys. Rev. Lett. (1)

M. E. Fermann, V. I. Kruglov, B. C. Thomsen, J. M. Dudley, and J. D. Harvey, Phys. Rev. Lett. 84, 6010 (2000).
[CrossRef] [PubMed]

Sov. J. Quantum Electron. (1)

B. Bareika, G. Dikchyus, A. Piskarskas, and V. Sirutkaitis, Sov. J. Quantum Electron. 10, 1277 (1980).
[CrossRef]

Other (3)

N. J. Traynor, L. Lefort, A. B. Grudinin, J. D. Minelly, J. E. Caplen, and D. C. Hanna, in Conference on Lasers and Electro-Optics, Vol. 6 of OSA Technical Digest Series (Optical Society of America, Washington, D.C., 1998), paper CTuK6.

J. H. V. Price, L. Lefort, D. J. Richardson, G. J. Spuhler, R. Paschotta, U. Keller, C. Barty, A. Fry, and J. Weston, in Conference on Lasers and Electro-Optics, Vol. 56 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), paper CTuQ6.

A. Galvanauskas, Z. Sartania, and M. Bischoff, in Advanced Solid State Lasers, Vol. 50 of OSA Trends in Optics and Photonics (Optical Society of America, Washington, D.C., 2001), postdeadline paper PD3.

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Figures (3)

Fig. 1
Fig. 1

Schematic of the Yb-doped fiber oscillator, Yb-doped fiber amplifier chain, and optical parametric oscillator (OPO) setup: P, diode-pumped fiber preamplifier; I’s, optical isolators; LMA, diode-pumped, large-mode-area fiber amplifier; GC, grating compressor; L, focusing lens; HR, high reflector; OC, output coupler.

Fig. 2
Fig. 2

Signal output power as a function of pump power. The output coupling reflectivity is 63%, the signal optical conversion efficiency is 23%, and the signal slope efficiency is 28%.

Fig. 3
Fig. 3

(a) Two-photon intensity autocorrelation of signal output (solid curve) and Gaussian curve fit for Δτp=330 fs (FWHM) (dotted curve). (b) Associated spectrum λ=1706 nm and Δλ=22 nm (FWHM).

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