Abstract

We report the first experimental demonstration of a single-electrode-controlled digitally wavelength switchable V-coupled-cavity laser with high side-mode-suppression-ratio (SMSR) in the 40dB range. Sixteen-channel and twenty-six channel wavelength switchable lasers with 100GHz spacing are demonstrated with the maximal SMSR of 40dB and 37dB, respectively. They do not require complex gratings, multiple epitaxial growths, or complex tuning algorithms. The device size is only 500μm×300μm. Such a simple, compact, and high-performance laser has great potential as a low-cost alternative to existing complex tunable lasers for wide deployment in optical networks and beyond.

© 2011 Optical Society of America

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References

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  1. L. A. Coldren, IEEE J. Sel. Top. Quantum Electron. 6, 988 (2000).
    [CrossRef]
  2. A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
    [CrossRef]
  3. J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.
  4. B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
    [CrossRef]
  5. D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
    [CrossRef]
  6. L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
    [CrossRef]
  7. W. Tsang, Semicond. Semimet. 22, 257 (1985).
    [CrossRef]
  8. T. L. Koch and L. A. Coldren, J. Appl. Phys. 57, 740 (1985).
    [CrossRef]
  9. D. Marcuse, IEEE J. Quantum Electron. 22, 223 (1986).
    [CrossRef]
  10. J.-J. He and D. Liu, Opt. Express 16, 3896 (2008).
    [CrossRef] [PubMed]
  11. X. Lin, D. Liu, and J.-J. He, Appl. Opt. 48, F18 (2009).
    [CrossRef]
  12. D. Liu, M. Lou, and J.-J. He, J. Lightwave Technol. 28, 746 (2010).
    [CrossRef]
  13. O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
    [CrossRef]

2010 (1)

2009 (2)

X. Lin, D. Liu, and J.-J. He, Appl. Opt. 48, F18 (2009).
[CrossRef]

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

2008 (1)

2005 (1)

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

2002 (1)

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

2000 (1)

L. A. Coldren, IEEE J. Sel. Top. Quantum Electron. 6, 988 (2000).
[CrossRef]

1993 (1)

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

1986 (1)

D. Marcuse, IEEE J. Quantum Electron. 22, 223 (1986).
[CrossRef]

1985 (2)

W. Tsang, Semicond. Semimet. 22, 257 (1985).
[CrossRef]

T. L. Koch and L. A. Coldren, J. Appl. Phys. 57, 740 (1985).
[CrossRef]

1981 (1)

L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
[CrossRef]

Agrawal, V.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Barton, E.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Baums, D.

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Busico, G.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Byrne, D. C.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Carter, A. C.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Chipman, C.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Coldren, L. A.

L. A. Coldren, IEEE J. Sel. Top. Quantum Electron. 6, 988 (2000).
[CrossRef]

T. L. Koch and L. A. Coldren, J. Appl. Phys. 57, 740 (1985).
[CrossRef]

L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
[CrossRef]

Corbett, B.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Donegan, J. F.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Duck, J. P.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Dutting, K.

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Emanuel, M.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Engelstaedter, J. P.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Epp, P.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Faraji, B.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Guo, W.-H.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Hammerfeldt, S.

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

He, J.-J.

Heanue, J.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Hildebrand, O.

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Hong, X.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Idler, W.

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Iga, K.

L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
[CrossRef]

Koch, T. L.

T. L. Koch and L. A. Coldren, J. Appl. Phys. 57, 740 (1985).
[CrossRef]

Kubicky, J.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Laube, G.

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Lin, X.

Liu, D.

Lou, M.

Lu, Q. Y.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Lundqvist, L.

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

Marcuse, D.

D. Marcuse, IEEE J. Quantum Electron. 22, 223 (1986).
[CrossRef]

Miller, B. I.

L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
[CrossRef]

O’Callaghan, J.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Peters, F. H.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Pezeshki, B.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Ponnampalam, L.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Razazan, T.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Reid, D. C. J.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Rentschler, J. A.

L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
[CrossRef]

Rigole, P.-J.

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

Rishton, S.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Robbins, D. J.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Roycroft, B.

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

Sarlet, G.

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

Sherback, M.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Szabo, P.

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

Ton, D.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Tsang, W.

W. Tsang, Semicond. Semimet. 22, 257 (1985).
[CrossRef]

Vail, E.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Wale, M. J.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Ward, A. J.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Wesström, J.-O.

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

Whitbread, N. D.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Williams, P. J.

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

Wunstel, K.

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Yoffe, G.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Zou, S.

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (1)

L. A. Coldren, B. I. Miller, K. Iga, and J. A. Rentschler, Appl. Phys. Lett. 38, 315 (1981).
[CrossRef]

IEEE J. Quantum Electron. (2)

D. Marcuse, IEEE J. Quantum Electron. 22, 223 (1986).
[CrossRef]

D. C. Byrne, J. P. Engelstaedter, W.-H. Guo, Q. Y. Lu, B. Corbett, B. Roycroft, J. O’Callaghan, F. H. Peters, and J. F. Donegan, IEEE J. Quantum Electron. 15, 482 (2009).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (2)

L. A. Coldren, IEEE J. Sel. Top. Quantum Electron. 6, 988 (2000).
[CrossRef]

A. J. Ward, D. J. Robbins, G. Busico, E. Barton, L. Ponnampalam, J. P. Duck, N. D. Whitbread, P. J. Williams, D. C. J. Reid, A. C. Carter, and M. J. Wale, IEEE J. Sel. Top. Quantum Electron. 11, 149 (2005).
[CrossRef]

IEEE Photon. Technol. Lett. (1)

B. Pezeshki, E. Vail, J. Kubicky, G. Yoffe, S. Zou, J. Heanue, P. Epp, S. Rishton, D. Ton, B. Faraji, M. Emanuel, X. Hong, M. Sherback, V. Agrawal, C. Chipman, and T. Razazan, IEEE Photon. Technol. Lett. 14, 1457 (2002).
[CrossRef]

J. Appl. Phys. (1)

T. L. Koch and L. A. Coldren, J. Appl. Phys. 57, 740 (1985).
[CrossRef]

J. Lightwave Technol. (2)

D. Liu, M. Lou, and J.-J. He, J. Lightwave Technol. 28, 746 (2010).
[CrossRef]

O. Hildebrand, D. Baums, W. Idler, K. Dutting, G. Laube, and K. Wunstel, J. Lightwave Technol. 11, 2066 (1993).
[CrossRef]

Opt. Express (1)

Semicond. Semimet. (1)

W. Tsang, Semicond. Semimet. 22, 257 (1985).
[CrossRef]

Other (1)

J.-O. Wesström, G. Sarlet, S. Hammerfeldt, L. Lundqvist, P. Szabo, and P.-J. Rigole, “State of the art performance of widely tunable modulated grating Y-branch lasers,” presented at Optical Fiber Communication Conference, February 22–27, 2004, Washington D.C., paper TuE2.

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Figures (4)

Fig. 1
Fig. 1

(a) Optical microscope image of the VCCL; (b) schematic diagram illustrating the relationships between the resonant frequency combs of the two cavities for achieving digital wavelength switching with the Vernier effect.

Fig. 2
Fig. 2

Measured single-mode emission spectrum of the laser showing an SMSR of 40 dB for both the adjacent modes and the ones at one FSR away.

Fig. 3
Fig. 3

(a) Measured tuning curve and (b) superimposed 16-channel wavelength switching spectra for 10% cavity length difference.

Fig. 4
Fig. 4

(a) Measured tuning curve and (b) superimposed 26-channel wavelength switching spectra for 5% cavity length difference.

Metrics