Abstract

Flat power-envelope terahertz-wide modulation sidebands are generated by only electro-optic phase modulation of continuous-wave laser light. Generation and power equalization of widespread sidebands are realized simultaneously by spatial distribution of the modulation index within a laser beam cross section by use of simple domain-engineering processes in LiTaO3 electro-optic crystal. Generation of 46 sidebands spaced by 16.25GHz within a 3-dB bandwidth (over a 1-THz span for a ±3-dB bandwidth) is demonstrated.

© 2005 Optical Society of America

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References

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  1. P. J. Lee, B. B. Blinov, K. Brickman, L. Deslauriers, M. J. Madsen, R. Miller, D. L. Moehring, D. Stick, and C. Monroe, Opt. Lett. 28, 1582 (2003).
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    [CrossRef]
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    [CrossRef]

2003

2002

2001

S. Fukushima, C. F. C. Silva, Y. Muramoto, and A. J. Seeds, IEEE Photonics Technol. Lett. 13, 720 (2001).
[CrossRef]

C. F. C. Silva, A. J. Seeds, and P. J. Williams, IEEE Photonics Technol. Lett. 13, 370 (2001).
[CrossRef]

1999

T. Khayim, M. Yamauchi, D.-S. Kim, and T. Kobayashi, IEEE J. Quantum Electron. 35, 1412 (1999).
[CrossRef]

1998

D.-S. Kim, T. Khayim, A. Morimoto, and T. Kobayashi, IEICE Trans. Electron. E81-C, 260 (1998).

1996

M. Kourogi, T. Enami, and M. Ohtsu, IEEE Photonics Technol. Lett. 8, 1698 (1996).
[CrossRef]

1993

M. Kourogi, K. Nakagawa, and M. Ohtsu, IEEE J. Quantum Electron. 29, 2693 (1993).
[CrossRef]

1972

T. Kobayashi, T. Sueta, Y. Cho, and Y. Matsuo, Appl. Phys. Lett. 21, 341 (1972).
[CrossRef]

Arisawa, M.

A. Morimoto, M. Tamaru, Y. Matsuda, M. Arisawa, and T. Kobayashi, in Pacific Rim Conference on Lasers and Electro-Optics (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1995), p. 234.

Blinov, B. B.

Brickman, K.

Cho, Y.

T. Kobayashi, T. Sueta, Y. Cho, and Y. Matsuo, Appl. Phys. Lett. 21, 341 (1972).
[CrossRef]

Deslauriers, L.

Enami, T.

M. Kourogi, T. Enami, and M. Ohtsu, IEEE Photonics Technol. Lett. 8, 1698 (1996).
[CrossRef]

Fukushima, S.

S. Fukushima, C. F. C. Silva, Y. Muramoto, and A. J. Seeds, IEEE Photonics Technol. Lett. 13, 720 (2001).
[CrossRef]

Khayim, T.

T. Khayim, M. Yamauchi, D.-S. Kim, and T. Kobayashi, IEEE J. Quantum Electron. 35, 1412 (1999).
[CrossRef]

D.-S. Kim, T. Khayim, A. Morimoto, and T. Kobayashi, IEICE Trans. Electron. E81-C, 260 (1998).

Kim, D.-S.

T. Khayim, M. Yamauchi, D.-S. Kim, and T. Kobayashi, IEEE J. Quantum Electron. 35, 1412 (1999).
[CrossRef]

D.-S. Kim, T. Khayim, A. Morimoto, and T. Kobayashi, IEICE Trans. Electron. E81-C, 260 (1998).

Kobayashi, T.

T. Khayim, M. Yamauchi, D.-S. Kim, and T. Kobayashi, IEEE J. Quantum Electron. 35, 1412 (1999).
[CrossRef]

D.-S. Kim, T. Khayim, A. Morimoto, and T. Kobayashi, IEICE Trans. Electron. E81-C, 260 (1998).

T. Kobayashi, T. Sueta, Y. Cho, and Y. Matsuo, Appl. Phys. Lett. 21, 341 (1972).
[CrossRef]

A. Morimoto, M. Tamaru, Y. Matsuda, M. Arisawa, and T. Kobayashi, in Pacific Rim Conference on Lasers and Electro-Optics (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1995), p. 234.

Kourogi, M.

M. Kourogi, T. Enami, and M. Ohtsu, IEEE Photonics Technol. Lett. 8, 1698 (1996).
[CrossRef]

M. Kourogi, K. Nakagawa, and M. Ohtsu, IEEE J. Quantum Electron. 29, 2693 (1993).
[CrossRef]

Lee, P. J.

Madsen, M. J.

Matsuda, Y.

A. Morimoto, M. Tamaru, Y. Matsuda, M. Arisawa, and T. Kobayashi, in Pacific Rim Conference on Lasers and Electro-Optics (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1995), p. 234.

Matsuo, Y.

T. Kobayashi, T. Sueta, Y. Cho, and Y. Matsuo, Appl. Phys. Lett. 21, 341 (1972).
[CrossRef]

Miller, R.

Moehring, D. L.

Monroe, C.

Morimoto, A.

D.-S. Kim, T. Khayim, A. Morimoto, and T. Kobayashi, IEICE Trans. Electron. E81-C, 260 (1998).

A. Morimoto, M. Tamaru, Y. Matsuda, M. Arisawa, and T. Kobayashi, in Pacific Rim Conference on Lasers and Electro-Optics (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1995), p. 234.

Muramoto, Y.

S. Fukushima, C. F. C. Silva, Y. Muramoto, and A. J. Seeds, IEEE Photonics Technol. Lett. 13, 720 (2001).
[CrossRef]

Nakagawa, K.

M. Kourogi, K. Nakagawa, and M. Ohtsu, IEEE J. Quantum Electron. 29, 2693 (1993).
[CrossRef]

Ohtsu, M.

M. Kourogi, T. Enami, and M. Ohtsu, IEEE Photonics Technol. Lett. 8, 1698 (1996).
[CrossRef]

M. Kourogi, K. Nakagawa, and M. Ohtsu, IEEE J. Quantum Electron. 29, 2693 (1993).
[CrossRef]

Schiller, S.

Seeds, A. J.

S. Fukushima, C. F. C. Silva, Y. Muramoto, and A. J. Seeds, IEEE Photonics Technol. Lett. 13, 720 (2001).
[CrossRef]

C. F. C. Silva, A. J. Seeds, and P. J. Williams, IEEE Photonics Technol. Lett. 13, 370 (2001).
[CrossRef]

Silva, C. F. C.

C. F. C. Silva, A. J. Seeds, and P. J. Williams, IEEE Photonics Technol. Lett. 13, 370 (2001).
[CrossRef]

S. Fukushima, C. F. C. Silva, Y. Muramoto, and A. J. Seeds, IEEE Photonics Technol. Lett. 13, 720 (2001).
[CrossRef]

Stick, D.

Sueta, T.

T. Kobayashi, T. Sueta, Y. Cho, and Y. Matsuo, Appl. Phys. Lett. 21, 341 (1972).
[CrossRef]

Tamaru, M.

A. Morimoto, M. Tamaru, Y. Matsuda, M. Arisawa, and T. Kobayashi, in Pacific Rim Conference on Lasers and Electro-Optics (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1995), p. 234.

Williams, P. J.

C. F. C. Silva, A. J. Seeds, and P. J. Williams, IEEE Photonics Technol. Lett. 13, 370 (2001).
[CrossRef]

Yamauchi, M.

T. Khayim, M. Yamauchi, D.-S. Kim, and T. Kobayashi, IEEE J. Quantum Electron. 35, 1412 (1999).
[CrossRef]

Appl. Phys. Lett.

T. Kobayashi, T. Sueta, Y. Cho, and Y. Matsuo, Appl. Phys. Lett. 21, 341 (1972).
[CrossRef]

IEEE J. Quantum Electron.

M. Kourogi, K. Nakagawa, and M. Ohtsu, IEEE J. Quantum Electron. 29, 2693 (1993).
[CrossRef]

T. Khayim, M. Yamauchi, D.-S. Kim, and T. Kobayashi, IEEE J. Quantum Electron. 35, 1412 (1999).
[CrossRef]

IEEE Photonics Technol. Lett.

M. Kourogi, T. Enami, and M. Ohtsu, IEEE Photonics Technol. Lett. 8, 1698 (1996).
[CrossRef]

S. Fukushima, C. F. C. Silva, Y. Muramoto, and A. J. Seeds, IEEE Photonics Technol. Lett. 13, 720 (2001).
[CrossRef]

C. F. C. Silva, A. J. Seeds, and P. J. Williams, IEEE Photonics Technol. Lett. 13, 370 (2001).
[CrossRef]

IEICE Trans. Electron.

D.-S. Kim, T. Khayim, A. Morimoto, and T. Kobayashi, IEICE Trans. Electron. E81-C, 260 (1998).

Opt. Lett.

Other

A. Morimoto, M. Tamaru, Y. Matsuda, M. Arisawa, and T. Kobayashi, in Pacific Rim Conference on Lasers and Electro-Optics (Institute of Electrical and Electronics Engineers, Piscataway, N.J., 1995), p. 234.

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Figures (5)

Fig. 1
Fig. 1

Basic structure of a flat power-envelope modulation sideband generator. A ( x ) , amplitude distribution function of the input laser beam; Δ θ m ( x ) , distribution function of the modulation index.

Fig. 2
Fig. 2

Modulation-index-distributed EOM based on the QVM technique. (a) Designed shape of the domain-inverted region shaded for one elemental section. W ( x ) is the length of the domain inverted region in the elemental section as a function of transverse position x. (b) Developed QVM EOM.

Fig. 3
Fig. 3

Spectra of the flat power-envelope modulation sidebands.

Fig. 4
Fig. 4

3 - dB bandwidth with respect to the maximum modulation index.

Fig. 5
Fig. 5

Intensity profile of the output pulses formed by the generated flat power-envelope modulation sidebands.

Equations (2)

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P n A ( x ) J n [ Δ θ m ( x ) ] d x 2 ,
Δ θ m ( x ) = Δ ϕ m sin [ π W ( x ) ( 2 L ) ] ,

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