Abstract

High-power fiber-coupled pump modules with an emission wavelength of 980 nm and output powers in excess of 200 mW, as measured at the fiber end, have been fabricated. Laser-to-fiber coupling efficiencies in excess of 77% are observed to be in excellent agreement with a mathematical model. Also, the output power stability of these modules has been monitored during severe temperature cycling, and the relative power variation was less than 4% for all the tested modules.

© 1999 Optical Society of America

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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]

1999 (1)

M. Achtenhagen, A. Hardy, “Lateral current spreading in ridge waveguide laser diodes,” Appl. Phys. Lett. 74, 1364–1366 (1999).
[CrossRef]

1995 (1)

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

1994 (1)

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

1987 (1)

Achtenhagen, M.

M. Achtenhagen, A. Hardy, “Lateral current spreading in ridge waveguide laser diodes,” Appl. Phys. Lett. 74, 1364–1366 (1999).
[CrossRef]

Acket, G. A.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

Ambrosius, H. P. M. M.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

Becker, P. C.

Desurvire, N. E.

Fukushima, T.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Goodman, J. W.

J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, San Francisco, 1968).

Guthrie, J.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Hardy, A.

M. Achtenhagen, A. Hardy, “Lateral current spreading in ridge waveguide laser diodes,” Appl. Phys. Lett. 74, 1364–1366 (1999).
[CrossRef]

Ijichi, T.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Ikegami, Y.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Irikawa, M.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Kogelnik, H.

H. Kogelnik, “Theory of optical waveguides,” in Guided-Wave Optoelectronics, T. Tamir, ed. (Springer-Verlag, Berlin, 1988).
[CrossRef]

Mand, R. S.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Ohkubo, M.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Schemmann, M. F. C.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

Siegman, A. E.

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986).

Simpson, J. R.

Tan, G. L.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Valster, A.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

van Bakel, B. A. H.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

van den Heijkant, J. A. M.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

van der Poel, C. J.

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

Xu, J. M.

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Appl. Phys. Lett. (2)

M. F. C. Schemmann, C. J. van der Poel, B. A. H. van Bakel, H. P. M. M. Ambrosius, A. Valster, J. A. M. van den Heijkant, G. A. Acket, “Kink power in weakly index guided semiconductor lasers,” Appl. Phys. Lett. 66, 920–922 (1995).
[CrossRef]

M. Achtenhagen, A. Hardy, “Lateral current spreading in ridge waveguide laser diodes,” Appl. Phys. Lett. 74, 1364–1366 (1999).
[CrossRef]

IEEE Photonics Technol. Lett. (1)

J. Guthrie, G. L. Tan, M. Ohkubo, T. Fukushima, Y. Ikegami, T. Ijichi, M. Irikawa, R. S. Mand, J. M. Xu, “Beam instability in 980-nm power lasers: experiment and analysis,” IEEE Photonics Technol. Lett. 6, 1409–1411 (1994).
[CrossRef]

Opt. Lett. (1)

Other (3)

H. Kogelnik, “Theory of optical waveguides,” in Guided-Wave Optoelectronics, T. Tamir, ed. (Springer-Verlag, Berlin, 1988).
[CrossRef]

A. E. Siegman, Lasers (University Science, Mill Valley, Calif., 1986).

J. W. Goodman, Introduction to Fourier Optics (McGraw-Hill, San Francisco, 1968).

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Figures (3)

Fig. 1
Fig. 1

Schematic illustration of the ridge waveguide laser cross section.

Fig. 2
Fig. 2

Typical laser and module characteristic: cw output power versus injected current measured at T = 25 °C. The inset shows the relative power variation after 20, 40, 80, and 120 temperature cycles for three individual modules.

Fig. 3
Fig. 3

Comparison of the alignment sensitivity between measurement and simulation for the lateral (■) and transverse (●) directions. The points were measured and the lines are from the calculation. The inset shows the comparison between measured and calculated coupling efficiencies for different devices with varying lateral and transverse far-field patterns.

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