Abstract

Monolithic twin-ridge laterally coupled diode lasers emitting at 1.3 µm are presented that have a small-signal modulation bandwidth beyond the relaxation oscillation frequency of a single ridge. Spectra and spectrally resolved far fields are presented for three bias conditions: only one ridge lasing, both ridges lasing just above threshold, and both ridges lasing at biases well above threshold. In the first two cases the spectrum has single-peaked longitudinal modes, whereas the third cases shows splitting to in-phase and out-of-phase modes. The splitting frequency of the optical spectrum is measured to be 7.7 GHz. Small-signal modulation measurements reveal a strong resonance at 7.7 GHz, demonstrating an effect of lateral mode locking. As a result of this effect, the twin-ridge laser can be made to have a -3dB bandwidth beyond that associated with its relaxation oscillation frequency.

© 2002 Optical Society of America

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    [CrossRef]
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    [CrossRef]
  3. K. Y. Lau, IEEE J. Quantum Electron. 26, 250 (1990).
    [CrossRef]
  4. G. Wilson, R. DeFreez, and H. Winful, Opt. Commun. 82, 293 (1991).
    [CrossRef]
  5. H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
    [CrossRef]
  6. H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
    [CrossRef]
  7. N. Yu, R. DeFreez, D. Bossert, G. Wilson, R. Elliott, S.-S. Wang, and H. Winful, Appl. Opt. 30, 2503 (1991).
    [CrossRef] [PubMed]
  8. R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
    [CrossRef]
  9. K. Forrest and J. Abshire, IEEE J. Quantum Electron. 23, 1287 (1987).
    [CrossRef]
  10. P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
    [CrossRef]
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    [CrossRef]
  12. T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

2001 (2)

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

1999 (1)

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

1996 (1)

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

1992 (1)

H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
[CrossRef]

1991 (2)

1990 (1)

K. Y. Lau, IEEE J. Quantum Electron. 26, 250 (1990).
[CrossRef]

1988 (1)

T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

1987 (2)

R. Olshansky, P. Hill, V. Lanzsiera, and W. Pawazinik, IEEE J. Quantum Electron. 23, 1410 (1987).
[CrossRef]

K. Forrest and J. Abshire, IEEE J. Quantum Electron. 23, 1287 (1987).
[CrossRef]

1985 (1)

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

Abella, A.

H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
[CrossRef]

Abshire, J.

K. Forrest and J. Abshire, IEEE J. Quantum Electron. 23, 1287 (1987).
[CrossRef]

Acedo, P.

H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
[CrossRef]

Amann, M.-C.

T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

Blondeau, R.

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

Bossert, D.

Burnham, R.

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

Carpintero, G.

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
[CrossRef]

Decoster, D.

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

DeFreez, R.

G. Wilson, R. DeFreez, and H. Winful, Opt. Commun. 82, 293 (1991).
[CrossRef]

N. Yu, R. DeFreez, D. Bossert, G. Wilson, R. Elliott, S.-S. Wang, and H. Winful, Appl. Opt. 30, 2503 (1991).
[CrossRef] [PubMed]

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

Dumitrescu, M.

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Elliott, R.

N. Yu, R. DeFreez, D. Bossert, G. Wilson, R. Elliott, S.-S. Wang, and H. Winful, Appl. Opt. 30, 2503 (1991).
[CrossRef] [PubMed]

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

Forrest, K.

K. Forrest and J. Abshire, IEEE J. Quantum Electron. 23, 1287 (1987).
[CrossRef]

Goutain, E.

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

Hess, O.

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

Hill, P.

R. Olshansky, P. Hill, V. Lanzsiera, and W. Pawazinik, IEEE J. Quantum Electron. 23, 1410 (1987).
[CrossRef]

Kappeler, F.

T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

Krakowski, M.

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

Lamela, H.

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
[CrossRef]

Lanzsiera, V.

R. Olshansky, P. Hill, V. Lanzsiera, and W. Pawazinik, IEEE J. Quantum Electron. 23, 1410 (1987).
[CrossRef]

Lau, K. Y.

K. Y. Lau, IEEE J. Quantum Electron. 26, 250 (1990).
[CrossRef]

Leones, M.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

Leonés, M.

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

Melanen, P.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Olshansky, R.

R. Olshansky, P. Hill, V. Lanzsiera, and W. Pawazinik, IEEE J. Quantum Electron. 23, 1410 (1987).
[CrossRef]

Orsila, S.

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Panarello, T.

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Paoli, T.

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

Pawazinik, W.

R. Olshansky, P. Hill, V. Lanzsiera, and W. Pawazinik, IEEE J. Quantum Electron. 23, 1410 (1987).
[CrossRef]

Perez, S.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

Pessa, M.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Renaud, J. C.

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

Rondi, D.

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

Roycroft, B.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

Saarinen, M.

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Savolainen, P.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Simmendinger, C.

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

Sipila, P.

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

Stegmüller, B.

T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

Streifer, W.

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

Toivonen, M.

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Vilokkinen, V.

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Wang, S.-S.

Wilson, G.

Winful, H.

Wolf, T.

T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

Yu, N.

Appl. Opt. (1)

Electron. Lett. (2)

E. Goutain, J. C. Renaud, M. Krakowski, D. Rondi, R. Blondeau, and D. Decoster, Electron. Lett. 32, 896 (1996).
[CrossRef]

H. Lamela, G. Carpintero, P. Acedo, and A. Abella, Electron. Lett. 28, 1908 (1992).
[CrossRef]

IEE Proc. (1)

T. Wolf, F. Kappeler, B. Stegmüller, and M.-C. Amann, IEE Proc. 135, 5 (1988).

IEEE J. Quantum Electron. (4)

R. Olshansky, P. Hill, V. Lanzsiera, and W. Pawazinik, IEEE J. Quantum Electron. 23, 1410 (1987).
[CrossRef]

K. Y. Lau, IEEE J. Quantum Electron. 26, 250 (1990).
[CrossRef]

R. Elliott, R. DeFreez, T. Paoli, R. Burnham, and W. Streifer, IEEE J. Quantum Electron. 21, 598 (1985).
[CrossRef]

K. Forrest and J. Abshire, IEEE J. Quantum Electron. 23, 1287 (1987).
[CrossRef]

IEEE J. Sel. Topics Quantum Electron. (1)

H. Lamela, M. Leonés, G. Carpintero, C. Simmendinger, and O. Hess, IEEE J. Sel. Topics Quantum Electron. 7, 192 (2001).
[CrossRef]

J. Electron. Mater. (1)

P. Savolainen, M. Toivonen, S. Orsila, M. Saarinen, P. Melanen, V. Vilokkinen, M. Dumitrescu, T. Panarello, and M. Pessa, J. Electron. Mater. 28, 980 (1999).
[CrossRef]

Opt. Commun. (1)

G. Wilson, R. DeFreez, and H. Winful, Opt. Commun. 82, 293 (1991).
[CrossRef]

Proc. SPIE (1)

B. Roycroft, P. Sipila, P. Melanen, P. Savolainen, M. Pessa, M. Leones, S. Perez, G. Carpintero, and H. Lamela, Proc. SPIE 4283, 310 (2001).
[CrossRef]

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Figures (4)

Fig. 1
Fig. 1

Spectra from the twin-ridge laser. (a) I1=20 mA, I2=40 mA; (b) I1=37 mA, I2=40 mA; (c) I1=40 mA, I2=40 mA. (d) Detail of (c) showing mode splitting of 0.045 nm, corresponding to 7.7 GHz.

Fig. 2
Fig. 2

Spectrally resolved far-field setup. The far field is imaged by collimation of the laser output via a 10× objective onto the input slits of a spectrometer.

Fig. 3
Fig. 3

Spectrally resolved far fields. The bias conditions are as in Figs. 1(a)1(c). The top row shows sections of the CCD image. The far-field profiles in the bottom row are taken by integration of a vertical section of the CCD image at the appropriate wavelength.

Fig. 4
Fig. 4

Small-signal modulation response curves under different bias conditions. (a) Single-ridge response: bottom curve, I1=40 mA; middle curve, I1=45 mA; top curve, I1=50 mA, showing -3dB bandwidths of 2.8, 3.7, and 4.5 GHz, respectively. The curves are displaced vertically for clarity. (b) Both ridges biased: I1=46 mA, I2=46 mA, showing a -3dB bandwidth of 3.5 GHz and a second resonance peak at 7.7 GHz. (c) I1=45 mA, I2=34 mA, showing a -3dB bandwidth of 7.5 GHz.

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