Abstract

We demonstrate a novel digitally tunable optical filter, which is based on dense wavelength division multiplexed (DWDM) thin film filters and semiconductor optical amplifiers (SOA). It has the advantages of fast tuning speed, large tuning range, good temperature stability, simple control mechanism. It is also scalable without bringing additional insertion loss. The passband wavelengths are in consistency with those suggested by ITUT.

©2005 Optical Society of America

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References

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  1. D. Sadot and E. Boimovich, “Tunable optical filters for dense WDM networks”, IEEE Commun. Magn. 36, 50–55 (1998).
    [Crossref]
  2. O. Ishida, H. Takahashi, and Y. Inoue, “Digitally tunable optical filters using arrayed-waveguide grating (AWG) multiplexers and optical switches”, J. Lightwave Technol. 15, 321–327 (1997).
    [Crossref]
  3. B. Glance, “Wavelength-tunable add/drop optical filter”, IEEE Photon. Technol. Lett. 8, 245–247 (1996).
    [Crossref]
  4. M. Zirngibl, C.H. Joyner, and B. Glance, “Digitally tunable channel dropping filter/equalizer based on waveguide grating router and optical amplifier integration”, IEEE Photon. Technol. Lett. 6, 513–515 (1994).
    [Crossref]
  5. B. Glance, I.P. Kaminow, and R.W. Wilson, “Applications of the integrated waveguide grating router”, J. Lightwave Technol. 12, 957–962 (1994)
    [Crossref]
  6. Yoshinori Hibino, “Recent Advances in High-Density and Large-Scale AWG Multi/Demultiplexers With Higher Index-Contrast Silica-Based PLCs”, IEEE J. Sel. Top. Quantum Electron. 8, 1090–1101 (2002)
    [Crossref]

2002 (1)

Yoshinori Hibino, “Recent Advances in High-Density and Large-Scale AWG Multi/Demultiplexers With Higher Index-Contrast Silica-Based PLCs”, IEEE J. Sel. Top. Quantum Electron. 8, 1090–1101 (2002)
[Crossref]

1998 (1)

D. Sadot and E. Boimovich, “Tunable optical filters for dense WDM networks”, IEEE Commun. Magn. 36, 50–55 (1998).
[Crossref]

1997 (1)

O. Ishida, H. Takahashi, and Y. Inoue, “Digitally tunable optical filters using arrayed-waveguide grating (AWG) multiplexers and optical switches”, J. Lightwave Technol. 15, 321–327 (1997).
[Crossref]

1996 (1)

B. Glance, “Wavelength-tunable add/drop optical filter”, IEEE Photon. Technol. Lett. 8, 245–247 (1996).
[Crossref]

1994 (2)

M. Zirngibl, C.H. Joyner, and B. Glance, “Digitally tunable channel dropping filter/equalizer based on waveguide grating router and optical amplifier integration”, IEEE Photon. Technol. Lett. 6, 513–515 (1994).
[Crossref]

B. Glance, I.P. Kaminow, and R.W. Wilson, “Applications of the integrated waveguide grating router”, J. Lightwave Technol. 12, 957–962 (1994)
[Crossref]

Boimovich, E.

D. Sadot and E. Boimovich, “Tunable optical filters for dense WDM networks”, IEEE Commun. Magn. 36, 50–55 (1998).
[Crossref]

Glance, B.

B. Glance, “Wavelength-tunable add/drop optical filter”, IEEE Photon. Technol. Lett. 8, 245–247 (1996).
[Crossref]

M. Zirngibl, C.H. Joyner, and B. Glance, “Digitally tunable channel dropping filter/equalizer based on waveguide grating router and optical amplifier integration”, IEEE Photon. Technol. Lett. 6, 513–515 (1994).
[Crossref]

B. Glance, I.P. Kaminow, and R.W. Wilson, “Applications of the integrated waveguide grating router”, J. Lightwave Technol. 12, 957–962 (1994)
[Crossref]

Hibino, Yoshinori

Yoshinori Hibino, “Recent Advances in High-Density and Large-Scale AWG Multi/Demultiplexers With Higher Index-Contrast Silica-Based PLCs”, IEEE J. Sel. Top. Quantum Electron. 8, 1090–1101 (2002)
[Crossref]

Inoue, Y.

O. Ishida, H. Takahashi, and Y. Inoue, “Digitally tunable optical filters using arrayed-waveguide grating (AWG) multiplexers and optical switches”, J. Lightwave Technol. 15, 321–327 (1997).
[Crossref]

Ishida, O.

O. Ishida, H. Takahashi, and Y. Inoue, “Digitally tunable optical filters using arrayed-waveguide grating (AWG) multiplexers and optical switches”, J. Lightwave Technol. 15, 321–327 (1997).
[Crossref]

Joyner, C.H.

M. Zirngibl, C.H. Joyner, and B. Glance, “Digitally tunable channel dropping filter/equalizer based on waveguide grating router and optical amplifier integration”, IEEE Photon. Technol. Lett. 6, 513–515 (1994).
[Crossref]

Kaminow, I.P.

B. Glance, I.P. Kaminow, and R.W. Wilson, “Applications of the integrated waveguide grating router”, J. Lightwave Technol. 12, 957–962 (1994)
[Crossref]

Sadot, D.

D. Sadot and E. Boimovich, “Tunable optical filters for dense WDM networks”, IEEE Commun. Magn. 36, 50–55 (1998).
[Crossref]

Takahashi, H.

O. Ishida, H. Takahashi, and Y. Inoue, “Digitally tunable optical filters using arrayed-waveguide grating (AWG) multiplexers and optical switches”, J. Lightwave Technol. 15, 321–327 (1997).
[Crossref]

Wilson, R.W.

B. Glance, I.P. Kaminow, and R.W. Wilson, “Applications of the integrated waveguide grating router”, J. Lightwave Technol. 12, 957–962 (1994)
[Crossref]

Zirngibl, M.

M. Zirngibl, C.H. Joyner, and B. Glance, “Digitally tunable channel dropping filter/equalizer based on waveguide grating router and optical amplifier integration”, IEEE Photon. Technol. Lett. 6, 513–515 (1994).
[Crossref]

IEEE Commun. Magn. (1)

D. Sadot and E. Boimovich, “Tunable optical filters for dense WDM networks”, IEEE Commun. Magn. 36, 50–55 (1998).
[Crossref]

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

Yoshinori Hibino, “Recent Advances in High-Density and Large-Scale AWG Multi/Demultiplexers With Higher Index-Contrast Silica-Based PLCs”, IEEE J. Sel. Top. Quantum Electron. 8, 1090–1101 (2002)
[Crossref]

IEEE Photon. Technol. Lett. (2)

B. Glance, “Wavelength-tunable add/drop optical filter”, IEEE Photon. Technol. Lett. 8, 245–247 (1996).
[Crossref]

M. Zirngibl, C.H. Joyner, and B. Glance, “Digitally tunable channel dropping filter/equalizer based on waveguide grating router and optical amplifier integration”, IEEE Photon. Technol. Lett. 6, 513–515 (1994).
[Crossref]

J. Lightwave Technol. (2)

B. Glance, I.P. Kaminow, and R.W. Wilson, “Applications of the integrated waveguide grating router”, J. Lightwave Technol. 12, 957–962 (1994)
[Crossref]

O. Ishida, H. Takahashi, and Y. Inoue, “Digitally tunable optical filters using arrayed-waveguide grating (AWG) multiplexers and optical switches”, J. Lightwave Technol. 15, 321–327 (1997).
[Crossref]

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Figures (4)

Fig. 1.
Fig. 1.

The configuration of eight-channel digitally tunable optical filter

Fig. 2.
Fig. 2.

The structures of 1×2 and 2×2 wavelength selection elements

Fig. 3.
Fig. 3.

The measured transmission spectrum of the proposed DTOF

Fig. 4.
Fig. 4.

The tuning speed of the proposed DTOF

Tables (2)

Tables Icon

Table 1. The control table of the proposed DTOF

Tables Icon

Table 2. The insertion loss for each wavelength channel

Equations (3)

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N OUTPUT = 2 n 1
N INPUT = 2 n 2
N total = N INPUT + N OUTPUT = 2 n 1 + 2 n 2 = 3 2 n 2

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