Abstract

The mode-selection mechanism operative in a new class of large-index-step index-guided arrays is elucidated, and it is shown that such arrays may be designed to operate stably in the fundamental mode at high power levels. In contrast to evanescently coupled arrays, these devices operate in a new set of so-called leaky modes. The calculations demonstrate a significant discrimination between the fundamental and high-order leaky modes that is sensitive to the widths of the high-index coupling regions but insensitive to the drive current. This resulting mode discrimination combined with the inherently large index step present in these devices should allow them to operate stably under cw conditions and/or at high drive currents.

© 1989 Optical Society of America

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  1. D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
    [CrossRef]
  2. E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
    [CrossRef]
  3. D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.
  4. D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
    [CrossRef]
  5. D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 37, 866 (1980).
    [CrossRef]
  6. D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 39, 27 (1981).
    [CrossRef]
  7. L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
    [CrossRef]
  8. D. Botez, G. Peterson, Electron. Lett. 24, 1042 (1988).
    [CrossRef]
  9. D. Botez, L. J. Mawst, G. Peterson, Electron. Lett. 24, 1328 (1988).
    [CrossRef]
  10. G. R. Hadley, J. P. Hohimer, A. Owyoung, IEEE J. Quantum Electron. QE-23, 765 (1987).
    [CrossRef]

1988 (4)

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

D. Botez, G. Peterson, Electron. Lett. 24, 1042 (1988).
[CrossRef]

D. Botez, L. J. Mawst, G. Peterson, Electron. Lett. 24, 1328 (1988).
[CrossRef]

1987 (1)

G. R. Hadley, J. P. Hohimer, A. Owyoung, IEEE J. Quantum Electron. QE-23, 765 (1987).
[CrossRef]

1986 (2)

D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
[CrossRef]

E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
[CrossRef]

1981 (1)

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 39, 27 (1981).
[CrossRef]

1980 (1)

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 37, 866 (1980).
[CrossRef]

Ackley, D. E.

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 39, 27 (1981).
[CrossRef]

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 37, 866 (1980).
[CrossRef]

Botez, D.

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

D. Botez, G. Peterson, Electron. Lett. 24, 1042 (1988).
[CrossRef]

D. Botez, L. J. Mawst, G. Peterson, Electron. Lett. 24, 1328 (1988).
[CrossRef]

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.

Burnham, R. D.

D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
[CrossRef]

Cross, P. S.

D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
[CrossRef]

Engelmann, R. W. H.

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 39, 27 (1981).
[CrossRef]

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 37, 866 (1980).
[CrossRef]

Hadley, G. R.

G. R. Hadley, J. P. Hohimer, A. Owyoung, IEEE J. Quantum Electron. QE-23, 765 (1987).
[CrossRef]

Hayashida, P.

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.

Hohimer, J. P.

G. R. Hadley, J. P. Hohimer, A. Owyoung, IEEE J. Quantum Electron. QE-23, 765 (1987).
[CrossRef]

Kapon, E.

E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
[CrossRef]

Margalit, S.

E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
[CrossRef]

Mawst, L.

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.

Mawst, L. J.

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

D. Botez, L. J. Mawst, G. Peterson, Electron. Lett. 24, 1328 (1988).
[CrossRef]

Owyoung, A.

G. R. Hadley, J. P. Hohimer, A. Owyoung, IEEE J. Quantum Electron. QE-23, 765 (1987).
[CrossRef]

Peterson, G.

D. Botez, L. J. Mawst, G. Peterson, Electron. Lett. 24, 1328 (1988).
[CrossRef]

D. Botez, G. Peterson, Electron. Lett. 24, 1042 (1988).
[CrossRef]

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.

Rav-noy, Z.

E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
[CrossRef]

Roth, T. J.

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.

Scifres, D. R.

D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
[CrossRef]

Welch, D. F.

D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
[CrossRef]

Yang, J. J.

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

Yariv, A.

E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
[CrossRef]

Appl. Phys. Lett. (4)

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, Appl. Phys. Lett. 53, 464 (1988).
[CrossRef]

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 37, 866 (1980).
[CrossRef]

D. E. Ackley, R. W. H. Engelmann, Appl. Phys. Lett. 39, 27 (1981).
[CrossRef]

D. F. Welch, P. S. Cross, D. R. Scifres, R. D. Burnham, Appl. Phys. Lett. 49, 1632 (1986).
[CrossRef]

Electron. Lett. (3)

L. J. Mawst, D. Botez, T. J. Roth, G. Peterson, J. J. Yang, Electron. Lett. 24, 958 (1988).
[CrossRef]

D. Botez, G. Peterson, Electron. Lett. 24, 1042 (1988).
[CrossRef]

D. Botez, L. J. Mawst, G. Peterson, Electron. Lett. 24, 1328 (1988).
[CrossRef]

IEEE J. Lightwave Technol. (1)

E. Kapon, Z. Rav-noy, S. Margalit, A. Yariv, IEEE J. Lightwave Technol. LT-4, 919 (1986).
[CrossRef]

IEEE J. Quantum Electron. (1)

G. R. Hadley, J. P. Hohimer, A. Owyoung, IEEE J. Quantum Electron. QE-23, 765 (1987).
[CrossRef]

Other (1)

D. Botez, L. Mawst, P. Hayashida, G. Peterson, T. J. Roth, in Digest of Conference on Lasers and Electro-Optics (Optical Society of America, Washington, D.C., 1988), paper PD10-1.

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Figures (3)

Fig. 1
Fig. 1

Near-field intensity profiles of (a) the fundamental evanescent mode and (b) the fundamental leaky mode of an infinite periodic array of coupled index guides. The coupling between guides may be viewed in terms of the ray model shown in (c) and results in the relatively short coupling length lc.

Fig. 2
Fig. 2

Phase relationships corresponding to various near-field intensity peaks for (a) a fundamental leaky mode and (b) a high-order leaky mode of an infinite periodic array of coupled index guides.

Fig. 3
Fig. 3

Intensity ratio I1/I2 of the minor peaks to the major peaks for an infinite periodic array of index guides as a function of the coupling-region width d1. The integer labels on the curves refer to the number of intensity maxima in the coupling region for the corresponding mode.

Equations (1)

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1 - 2 = π 2 k 0 2 ( m 2 d 1 2 - 1 d 2 2 ) ,

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