Abstract

We experimentally investigate and compare the effects of copropagating and counterpropagating directions on a semiconductor optical amplifier—Mach–Zehnder interferometer based wavelength converter. When an assist light is not used, the copropagating scheme induces a long rise–fall time and small timing jitter, whereas the counterpropagating scheme induces a short rise–fall time and large timing jitter. The results show that the copropagating scheme with a backward assist light yields the best performance.

© 2005 Optical Society of America

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  1. M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
    [CrossRef]
  2. M. Usami, M. Tsurusawa, and Y. Matsushima, Appl. Phys. Lett. 72, 2657 (1998).
    [CrossRef]
  3. R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
    [CrossRef]
  4. K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.
  5. A. Matusmoto, K. Nishimura, K. Utaka, and M. Usami, presented at the Opto-Electronics and Communications Conference, Shanghai, China, October 13–16, 2003.
  6. G. Talli and M. J. Adams, IEEE J. Quantum Electron. 39, 1305 (2003).
    [CrossRef]

2003

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
[CrossRef]

G. Talli and M. J. Adams, IEEE J. Quantum Electron. 39, 1305 (2003).
[CrossRef]

1998

M. Usami, M. Tsurusawa, and Y. Matsushima, Appl. Phys. Lett. 72, 2657 (1998).
[CrossRef]

Adams, M. J.

G. Talli and M. J. Adams, IEEE J. Quantum Electron. 39, 1305 (2003).
[CrossRef]

Asai, T.

K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.

Brenot, R.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Dagens, B.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Inohara, R.

R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
[CrossRef]

K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.

Labrousse, A.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Martin, B.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Matsushima, Y.

M. Usami, M. Tsurusawa, and Y. Matsushima, Appl. Phys. Lett. 72, 2657 (1998).
[CrossRef]

Matusmoto, A.

A. Matusmoto, K. Nishimura, K. Utaka, and M. Usami, presented at the Opto-Electronics and Communications Conference, Shanghai, China, October 13–16, 2003.

Nielsen, M. L.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Nishimura, K.

R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
[CrossRef]

A. Matusmoto, K. Nishimura, K. Utaka, and M. Usami, presented at the Opto-Electronics and Communications Conference, Shanghai, China, October 13–16, 2003.

K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.

Nord, M.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Petersen, M. N.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Renaud, M.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Squedin, S.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

Talli, G.

G. Talli and M. J. Adams, IEEE J. Quantum Electron. 39, 1305 (2003).
[CrossRef]

Tsurusawa, M.

R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
[CrossRef]

M. Usami, M. Tsurusawa, and Y. Matsushima, Appl. Phys. Lett. 72, 2657 (1998).
[CrossRef]

Usami, M.

R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
[CrossRef]

M. Usami, M. Tsurusawa, and Y. Matsushima, Appl. Phys. Lett. 72, 2657 (1998).
[CrossRef]

A. Matusmoto, K. Nishimura, K. Utaka, and M. Usami, presented at the Opto-Electronics and Communications Conference, Shanghai, China, October 13–16, 2003.

K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.

Utaka, K.

A. Matusmoto, K. Nishimura, K. Utaka, and M. Usami, presented at the Opto-Electronics and Communications Conference, Shanghai, China, October 13–16, 2003.

Yazaki, T.

K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.

Appl. Phys. Lett.

M. Usami, M. Tsurusawa, and Y. Matsushima, Appl. Phys. Lett. 72, 2657 (1998).
[CrossRef]

Electron. Lett.

M. L. Nielsen, M. Nord, M. N. Petersen, B. Dagens, A. Labrousse, R. Brenot, B. Martin, S. Squedin, and M. Renaud, Electron. Lett. 39, 385 (2003).
[CrossRef]

IEEE J. Quantum Electron.

G. Talli and M. J. Adams, IEEE J. Quantum Electron. 39, 1305 (2003).
[CrossRef]

IEEE Photon. Technol. Lett.

R. Inohara, K. Nishimura, M. Tsurusawa, and M. Usami, IEEE Photon. Technol. Lett. 15, 1192 (2003).
[CrossRef]

Other

K. Nishimura, T. Asai, T. Yazaki, R. Inohara, and M. Usami, presented at the Indium Phosphide and Related Materials Meeting, Kagoshima, Japan, May 31–June 4, 2004.

A. Matusmoto, K. Nishimura, K. Utaka, and M. Usami, presented at the Opto-Electronics and Communications Conference, Shanghai, China, October 13–16, 2003.

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Figures (3)

Fig. 1
Fig. 1

Experimental setup (a) Four combinations of propagation direction: case i, copropagation with a forward assist light; case ii, copropagation with a backward assist light; case iii, counterpropagation with a forward assist light; case iv, counterpropagation with a backward assist light. (b) Copropagating scheme with a backward assist light: LDs, laser diodes; EDFA, erbium-doped fiber amplifier; PD, a photodiode; ISO, isolator; LN Mod, modulator.

Fig. 2
Fig. 2

Measured BER curves and eye diagrams: (a) BER curves, (b) eye diagrams for copropagating (b-1) and counterpropagating (b-2) schemes without an assist light, (c) eye diagrams for each combination of propagating schemes with an assist light.

Fig. 3
Fig. 3

Measured BER curves and eye diagrams: (a) copropagation without an assist light, (b) counterpropagation without an assist light, (c) copropagation with a backward assist light, (d) counterpropagation with a backward assist light.

Tables (2)

Tables Icon

Table 1 Power Conditions for Each Operation Mode

Tables Icon

Table 2 Summary of Experimental Results

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