Abstract

We present what is to our knowledge the first design of a tunable optical filter with a flattopped passband. The filter consists of a Fabry–Perot etalon with multiple reflection gratings as dielectric mirrors. Wavelength tunability is achieved by modulation of the refractive indices of the cavity and the dielectric mirrors. Specifically, a filter with a 1-nm linewidth and a 40-nm wavelength-tuning range is designed for applications in wavelength-division-multiplexing (WDM) optical fiber communication systems. We also discuss several factors, including absorption and variations of other design parameters, that may affect the performance of the filter.

© 1999 Optical Society of America

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Corrections

Miao Yang and Claire Gu, "Flattopped tunable wavelength-division-multiplexer filter design: errata," Appl. Opt. 38, 6293-6293 (1999)
https://www.osapublishing.org/ao/abstract.cfm?uri=ao-38-30-6293

References

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  1. P. H. Lissberger, A. K. Roy, D. J. McCartney, “Narrow band position-tuned multilayer interference filter for use in single-mode-fiber systems,” Electron. Lett. 21, 798–799 (1985).
    [CrossRef]
  2. J. Spigulis, J. Lazdins, “Compact dielectric reflective elements. II. Multichannel filter of closely spaced spectral bands,” Appl. Opt. 33, 6638–6641 (1994).
    [CrossRef] [PubMed]
  3. A. Frenkel, C. Lin, “Inline tunable etalon filter for optical channel selection in high density wavelength division multiplexed fiber systems,” Electron. Lett. 24, 159–161 (1988).
    [CrossRef]
  4. Y. Fujii, J. Minowa, “Wavelength tunability of electrooptically tuned Fabry–Perot filters,” Appl. Opt. 30, 1017–1018 (1991).
    [CrossRef] [PubMed]
  5. K. Hirabayashi, H. Tsuda, T. Kurokawa, “Tunable liquid-crystal Fabry–Perot interferometer filter for wavelength-division-multiplexing communication systems,” J. Lightwave Technol. 11, 2033–2043 (1993).
    [CrossRef]
  6. D. A. Smith, J. J. Johnson, “Sidelobe suppression in an acousto-optic filter with a raised-cosine interaction strength,” Appl. Phys. Lett. 61, 1025–1027 (1992).
    [CrossRef]
  7. I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
    [CrossRef]
  8. H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
    [CrossRef]
  9. T. Numai, “1.5 µm phase-shift-controlled distributed feedback wavelength tunable optical filter,” IEEE J. Quantum Electron. 28, 1513–1519 (1992).
    [CrossRef]
  10. Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
    [CrossRef]
  11. J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
    [CrossRef]
  12. M. A. Scobey, D. E. Spock, “Passive DWDM components using MicroPlasma optical interference filters,” in Optical Fiber Communication Conference (OFC), Vol. 2 of 1996 Technical Digest Series (Optical Society of America, Washington, D.C., 1996), pp. 242–243.
  13. M. A. Scobey, W. J. Lekki, T. W. Geyer, “Filters create thermally stable, passive multiplexers,” Laser Focus World 33(3) , 111–112, 114, 116 (1997).
  14. See, for example, P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, New York, 1993), p. 57.
  15. H. Ishio, J. Minowa, K. Nosu, “Review and status of wavelength-division-multiplexing technology and its application,” J. Lightwave Technol. 2, 448–463 (1984).
    [CrossRef]
  16. H. Ono, N. Kawatsuki, “Orientational holographic grating observed in liquid crystals sandwiched with photoconductive polymer films,” Appl. Phys. Lett. 71, 1162–1164 (1997).
    [CrossRef]
  17. I. C. Khoo, H. Li, Y. Liang, “Observation of orientational photorefractive effects in nematic liquid crystals,” Opt. Lett. 19, 1723–1725 (1994).
    [CrossRef] [PubMed]
  18. I. C. Khoo, “Orientational photorefractive effects in nematic liquid crystal films,” IEEE J. Quantum Electron. 32, 525–534 (1996).
    [CrossRef]
  19. A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
    [CrossRef]

1997 (2)

M. A. Scobey, W. J. Lekki, T. W. Geyer, “Filters create thermally stable, passive multiplexers,” Laser Focus World 33(3) , 111–112, 114, 116 (1997).

H. Ono, N. Kawatsuki, “Orientational holographic grating observed in liquid crystals sandwiched with photoconductive polymer films,” Appl. Phys. Lett. 71, 1162–1164 (1997).
[CrossRef]

1996 (1)

I. C. Khoo, “Orientational photorefractive effects in nematic liquid crystal films,” IEEE J. Quantum Electron. 32, 525–534 (1996).
[CrossRef]

1994 (2)

1993 (3)

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

K. Hirabayashi, H. Tsuda, T. Kurokawa, “Tunable liquid-crystal Fabry–Perot interferometer filter for wavelength-division-multiplexing communication systems,” J. Lightwave Technol. 11, 2033–2043 (1993).
[CrossRef]

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

1992 (2)

D. A. Smith, J. J. Johnson, “Sidelobe suppression in an acousto-optic filter with a raised-cosine interaction strength,” Appl. Phys. Lett. 61, 1025–1027 (1992).
[CrossRef]

T. Numai, “1.5 µm phase-shift-controlled distributed feedback wavelength tunable optical filter,” IEEE J. Quantum Electron. 28, 1513–1519 (1992).
[CrossRef]

1991 (1)

1990 (2)

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

1988 (1)

A. Frenkel, C. Lin, “Inline tunable etalon filter for optical channel selection in high density wavelength division multiplexed fiber systems,” Electron. Lett. 24, 159–161 (1988).
[CrossRef]

1985 (1)

P. H. Lissberger, A. K. Roy, D. J. McCartney, “Narrow band position-tuned multilayer interference filter for use in single-mode-fiber systems,” Electron. Lett. 21, 798–799 (1985).
[CrossRef]

1984 (1)

H. Ishio, J. Minowa, K. Nosu, “Review and status of wavelength-division-multiplexing technology and its application,” J. Lightwave Technol. 2, 448–463 (1984).
[CrossRef]

1977 (1)

A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
[CrossRef]

Andreadakis, N.

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Berreman, D. W.

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Carr, A. D.

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

Chuang, Z. M.

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

Cohen, D. A.

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

Coldren, L. A.

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

Croston, I. R.

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

Frenkel, A.

A. Frenkel, C. Lin, “Inline tunable etalon filter for optical channel selection in high density wavelength division multiplexed fiber systems,” Electron. Lett. 24, 159–161 (1988).
[CrossRef]

Fujii, Y.

Fukuda, M.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

Geyer, T. W.

M. A. Scobey, W. J. Lekki, T. W. Geyer, “Filters create thermally stable, passive multiplexers,” Laser Focus World 33(3) , 111–112, 114, 116 (1997).

Hirabayashi, K.

K. Hirabayashi, H. Tsuda, T. Kurokawa, “Tunable liquid-crystal Fabry–Perot interferometer filter for wavelength-division-multiplexing communication systems,” J. Lightwave Technol. 11, 2033–2043 (1993).
[CrossRef]

Ishio, H.

H. Ishio, J. Minowa, K. Nosu, “Review and status of wavelength-division-multiplexing technology and its application,” J. Lightwave Technol. 2, 448–463 (1984).
[CrossRef]

Johnson, J. J.

D. A. Smith, J. J. Johnson, “Sidelobe suppression in an acousto-optic filter with a raised-cosine interaction strength,” Appl. Phys. Lett. 61, 1025–1027 (1992).
[CrossRef]

Katzir, A.

A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
[CrossRef]

Kawatsuki, N.

H. Ono, N. Kawatsuki, “Orientational holographic grating observed in liquid crystals sandwiched with photoconductive polymer films,” Appl. Phys. Lett. 71, 1162–1164 (1997).
[CrossRef]

Khoo, I. C.

I. C. Khoo, “Orientational photorefractive effects in nematic liquid crystal films,” IEEE J. Quantum Electron. 32, 525–534 (1996).
[CrossRef]

I. C. Khoo, H. Li, Y. Liang, “Observation of orientational photorefractive effects in nematic liquid crystals,” Opt. Lett. 19, 1723–1725 (1994).
[CrossRef] [PubMed]

Kurokawa, T.

K. Hirabayashi, H. Tsuda, T. Kurokawa, “Tunable liquid-crystal Fabry–Perot interferometer filter for wavelength-division-multiplexing communication systems,” J. Lightwave Technol. 11, 2033–2043 (1993).
[CrossRef]

Lazdins, J.

Lee, S. D.

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Lekki, W. J.

M. A. Scobey, W. J. Lekki, T. W. Geyer, “Filters create thermally stable, passive multiplexers,” Laser Focus World 33(3) , 111–112, 114, 116 (1997).

Li, H.

Liang, Y.

Lin, C.

A. Frenkel, C. Lin, “Inline tunable etalon filter for optical channel selection in high density wavelength division multiplexed fiber systems,” Electron. Lett. 24, 159–161 (1988).
[CrossRef]

Lin, Chinlon

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Lissberger, P. H.

P. H. Lissberger, A. K. Roy, D. J. McCartney, “Narrow band position-tuned multilayer interference filter for use in single-mode-fiber systems,” Electron. Lett. 21, 798–799 (1985).
[CrossRef]

Livanos, A. C.

A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
[CrossRef]

McCartney, D. J.

P. H. Lissberger, A. K. Roy, D. J. McCartney, “Narrow band position-tuned multilayer interference filter for use in single-mode-fiber systems,” Electron. Lett. 21, 798–799 (1985).
[CrossRef]

Minowa, J.

Y. Fujii, J. Minowa, “Wavelength tunability of electrooptically tuned Fabry–Perot filters,” Appl. Opt. 30, 1017–1018 (1991).
[CrossRef] [PubMed]

H. Ishio, J. Minowa, K. Nosu, “Review and status of wavelength-division-multiplexing technology and its application,” J. Lightwave Technol. 2, 448–463 (1984).
[CrossRef]

Mondry, M. J.

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

Nakanishi, K.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

Nosu, K.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

H. Ishio, J. Minowa, K. Nosu, “Review and status of wavelength-division-multiplexing technology and its application,” J. Lightwave Technol. 2, 448–463 (1984).
[CrossRef]

Numai, T.

T. Numai, “1.5 µm phase-shift-controlled distributed feedback wavelength tunable optical filter,” IEEE J. Quantum Electron. 28, 1513–1519 (1992).
[CrossRef]

Oda, K.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

Ono, H.

H. Ono, N. Kawatsuki, “Orientational holographic grating observed in liquid crystals sandwiched with photoconductive polymer films,” Appl. Phys. Lett. 71, 1162–1164 (1997).
[CrossRef]

Parson, N. J.

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

Patel, J. S.

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Radcliffe, S. N.

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

Roy, A. K.

P. H. Lissberger, A. K. Roy, D. J. McCartney, “Narrow band position-tuned multilayer interference filter for use in single-mode-fiber systems,” Electron. Lett. 21, 798–799 (1985).
[CrossRef]

Saifi, M. A.

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Scobey, M. A.

M. A. Scobey, W. J. Lekki, T. W. Geyer, “Filters create thermally stable, passive multiplexers,” Laser Focus World 33(3) , 111–112, 114, 116 (1997).

M. A. Scobey, D. E. Spock, “Passive DWDM components using MicroPlasma optical interference filters,” in Optical Fiber Communication Conference (OFC), Vol. 2 of 1996 Technical Digest Series (Optical Society of America, Washington, D.C., 1996), pp. 242–243.

Shellan, J. B.

A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
[CrossRef]

Shibata, N.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

Smith, D. A.

D. A. Smith, J. J. Johnson, “Sidelobe suppression in an acousto-optic filter with a raised-cosine interaction strength,” Appl. Phys. Lett. 61, 1025–1027 (1992).
[CrossRef]

Spigulis, J.

Spock, D. E.

M. A. Scobey, D. E. Spock, “Passive DWDM components using MicroPlasma optical interference filters,” in Optical Fiber Communication Conference (OFC), Vol. 2 of 1996 Technical Digest Series (Optical Society of America, Washington, D.C., 1996), pp. 242–243.

St. Ville, L. J.

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

Takato, N.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

Toba, H.

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

Tsuda, H.

K. Hirabayashi, H. Tsuda, T. Kurokawa, “Tunable liquid-crystal Fabry–Perot interferometer filter for wavelength-division-multiplexing communication systems,” J. Lightwave Technol. 11, 2033–2043 (1993).
[CrossRef]

Yariv, A.

A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
[CrossRef]

Yeh, P.

See, for example, P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, New York, 1993), p. 57.

Young, D. B.

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

Appl. Opt. (2)

Appl. Phys. Lett. (4)

H. Ono, N. Kawatsuki, “Orientational holographic grating observed in liquid crystals sandwiched with photoconductive polymer films,” Appl. Phys. Lett. 71, 1162–1164 (1997).
[CrossRef]

D. A. Smith, J. J. Johnson, “Sidelobe suppression in an acousto-optic filter with a raised-cosine interaction strength,” Appl. Phys. Lett. 61, 1025–1027 (1992).
[CrossRef]

Z. M. Chuang, M. J. Mondry, D. B. Young, D. A. Cohen, L. A. Coldren, “Photonic integrated tunable receivers with optical preamplifiers for direct detection,” Appl. Phys. Lett. 63, 880–882 (1993).
[CrossRef]

J. S. Patel, M. A. Saifi, D. W. Berreman, Chinlon Lin, N. Andreadakis, S. D. Lee, “Electrically tunable optical filter for infrared wavelength using liquid crystals in a Fabry–Perot etalon,” Appl. Phys. Lett. 57, 1718–1720 (1990).
[CrossRef]

Electron. Lett. (3)

I. R. Croston, A. D. Carr, N. J. Parson, S. N. Radcliffe, L. J. St. Ville, “Lithium niobate electro-optic tunable filter with high sidelobe suppression,” Electron. Lett. 29, 157–159 (1993).
[CrossRef]

P. H. Lissberger, A. K. Roy, D. J. McCartney, “Narrow band position-tuned multilayer interference filter for use in single-mode-fiber systems,” Electron. Lett. 21, 798–799 (1985).
[CrossRef]

A. Frenkel, C. Lin, “Inline tunable etalon filter for optical channel selection in high density wavelength division multiplexed fiber systems,” Electron. Lett. 24, 159–161 (1988).
[CrossRef]

IEEE J. Quantum Electron. (3)

I. C. Khoo, “Orientational photorefractive effects in nematic liquid crystal films,” IEEE J. Quantum Electron. 32, 525–534 (1996).
[CrossRef]

A. Katzir, A. C. Livanos, J. B. Shellan, A. Yariv, “Chirped gratings in integrated optics,” IEEE J. Quantum Electron. QE-13, 296–304 (1977).
[CrossRef]

T. Numai, “1.5 µm phase-shift-controlled distributed feedback wavelength tunable optical filter,” IEEE J. Quantum Electron. 28, 1513–1519 (1992).
[CrossRef]

J. Lightwave Technol. (3)

K. Hirabayashi, H. Tsuda, T. Kurokawa, “Tunable liquid-crystal Fabry–Perot interferometer filter for wavelength-division-multiplexing communication systems,” J. Lightwave Technol. 11, 2033–2043 (1993).
[CrossRef]

H. Toba, K. Oda, K. Nakanishi, N. Shibata, K. Nosu, N. Takato, M. Fukuda, “A 100-channel optical FDM transmission/distribution at 622 Mb/s over 50 km,” J. Lightwave Technol. 8, 1396–1401 (1990).
[CrossRef]

H. Ishio, J. Minowa, K. Nosu, “Review and status of wavelength-division-multiplexing technology and its application,” J. Lightwave Technol. 2, 448–463 (1984).
[CrossRef]

Laser Focus World (1)

M. A. Scobey, W. J. Lekki, T. W. Geyer, “Filters create thermally stable, passive multiplexers,” Laser Focus World 33(3) , 111–112, 114, 116 (1997).

Opt. Lett. (1)

Other (2)

See, for example, P. Yeh, Introduction to Photorefractive Nonlinear Optics (Wiley, New York, 1993), p. 57.

M. A. Scobey, D. E. Spock, “Passive DWDM components using MicroPlasma optical interference filters,” in Optical Fiber Communication Conference (OFC), Vol. 2 of 1996 Technical Digest Series (Optical Society of America, Washington, D.C., 1996), pp. 242–243.

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Figures (9)

Fig. 1
Fig. 1

Schematic drawings of a flattopped passband tunable filter: (a) A’s, grating regions; B, cavity. (b) Distributed reflection in each grating region.

Fig. 2
Fig. 2

Transmission spectrum of the filter.

Fig. 3
Fig. 3

Wavelength tunability of the filter: solid curves, n C = n G = 1.53; dashed curves, n C = n G = 1.57.

Fig. 4
Fig. 4

Transmission spectra of the filter for various chirping coefficients of the linearly chirped gratings. Curves 1, 2, and 3 correspond to chirping coefficients of ±0.008, ±0.0165, and ±0.03, respectively. Inset, plot enlarged for more detail about the transmission peak.

Fig. 5
Fig. 5

Transmission spectra of the filter for various depths of index modulation of the linearly chirped gratings. Curves 1, 2, and 3 correspond to depths of index modulation of 0.015, 0.026, and 0.035, respectively. Inset, plot enlarged for more detail about the transmission peak.

Fig. 6
Fig. 6

Transmission spectra of the filter for various depths of index modulation of the unchirped gratings. Curves 1, 2, and 3 correspond to depths of index modulation of 0.008, 0.018, and 0.025, respectively. Inset, plot enlarged for more detail about the transmission peak.

Fig. 7
Fig. 7

Transmission spectra of the filter with various absorption losses: curve 1, α C = α G = 0 cm-1; curve 2, α C = α G = 0.36 cm-1; curve 3, α C = α G = 1 cm-1.

Fig. 8
Fig. 8

Tunability of the filter with various absorption losses. (a), (b), (c) α C = α G = 0, α C = α G = 0.36, and α C = α G = 1 cm-1, respectively. Solid curves, n C = n G = 1.53; dashed curves, n C = n G = 1.57.

Fig. 9
Fig. 9

Implementation of the flattopped tunable filter: A’s, grating regions; B, cavity.

Tables (1)

Tables Icon

Table 1 Parameters for Theoretical Simulation

Equations (11)

Equations on this page are rendered with MathJax. Learn more.

vm=cλm=mc2πnLC,
λB=2nΛ,
Λ=πLCm.
τλ=T21-R2+4R sin2 δ,
Et, z=A1zexpiωt-βz+A2zexpiωt+βz,
n=nG+j1/2nj exp-iKjz-ϕj+c.c.,
ddz A1=-i πλj=1N nj exp-iΔkjz-ϕjA2,  ddz A2=i πλj=1N nj expiΔkjz-ϕjA1,
Δkj=2π2nGλ-1+εjz/LGΛj,
rG=A20A10=|rG|exp-iϕ,
ddz A1=-i πλj=1N nj exp-iΔkjz-ϕjA2-αG2 A1,  ddz A2=i πλj=1N nj expiΔkjz-ϕjA1+αG2 A2,
τλ=T2 exp-αCLC1-R exp-αCLC2+4R exp-αCLCsin2 δ,

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