Abstract

The effects of magnetic birefringence of liquid crystal E7 on the photonic bandgaps and the transmitting properties in two-dimensional photonic crystal waveguides are investigated by using the plane wave expansion and finite-difference time domain methods. Detailed calculations on the shifts and variations in the frequency width of bandgaps reveal that under the control of an external magnetic field the two-dimensional liquid-crystal-filled photonic crystal waveguide can serve as a switch and continuously tunable bandpass filter at the terahertz wave band.

© 2008 Optical Society of America

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  1. J.-Z. Xu, and X.-C. Zhang, “Terahertz wave reciprocal imaging,” Appl. Phys. Lett. 88, 151107-151109 (2006).
    [CrossRef]
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    [CrossRef] [PubMed]
  3. J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
    [CrossRef]
  4. H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
    [CrossRef]
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  6. T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
    [CrossRef]
  7. C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).
  8. C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef]
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    [CrossRef] [PubMed]
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    [CrossRef] [PubMed]
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2008 (2)

D. B. da Costa and M. D. Yacoub, “Dual-hop transmissions with semi-blind relays over Nakagami-m fading channels,” Electron. Lett. 44, 214-215 (2008).
[CrossRef]

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

2007 (2)

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

J. Li, J. He, and Z. Hong, “Terahertz wave switch based on silicon photonic crystals,” Appl. Opt. 46, 5034-5037 (2007).
[CrossRef] [PubMed]

2006 (6)

Y. Zhao and D. Grischkowsky, “Terehertz demonstrations of effectively two-dimensional photonic bandgap structures,” Opt. Lett. 31, 1534-1536 (2006).
[CrossRef] [PubMed]

H. Zhong, A. Redo-Sanchez, and X.-C. Zhang, “Identification and classification of chemicals using terahertz reflective spectroscopic focal-plane imaging system,” Opt. Express 14, 9130-9141 (2006).
[CrossRef] [PubMed]

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

J.-Z. Xu, and X.-C. Zhang, “Terahertz wave reciprocal imaging,” Appl. Phys. Lett. 88, 151107-151109 (2006).
[CrossRef]

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Z.-P. Jian and D. M. Mittleman, “Broadband group velocity anomaly in transmission through a terahertz photonic crystal slab,” Phys. Rev. B 73, 115118-115121 (2006).
[CrossRef]

2005 (1)

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

2004 (8)

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

J.-M. Dai, J.-Q. Zhang, W.-L. Zhang, and D. Grischkowsky, “Terahertz time-domain spectroscopy characterization of the far-infrared absorption and index of refraction of high-resistivity, float-zone silicon,” J. Opt. Soc. Am. B 21, 1379-1386 (2004).
[CrossRef]

C. Lin, C. Chen, G. J. Schneider, P. Yao, S. Shi, A. Sharkawy, and D. W. Prather, “Wavelength scale terahertz two-dimensional photonic crystal waveguides,” Opt. Express 12, 5723-5728 (2004).
[CrossRef] [PubMed]

2002 (1)

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

1999 (1)

G. P. Bryan-Brown, E. L. Wood, and I. C. Sage, “Weak surface anchoring of liquid crystals,” Nature 399, 338-340 (1999).
[CrossRef]

1990 (1)

K. M. Ho, C. T. Chan, and C. M. Soukoulis, “Existence of a photonic gap in periodic dielectric structures,” Phys. Rev. Lett. 65, 3152-3155 (1990).
[CrossRef] [PubMed]

Baker, C.

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

Barat, R.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Bender, M.

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

Bryan-Brown, G. P.

G. P. Bryan-Brown, E. L. Wood, and I. C. Sage, “Weak surface anchoring of liquid crystals,” Nature 399, 338-340 (1999).
[CrossRef]

Chan, C. T.

K. M. Ho, C. T. Chan, and C. M. Soukoulis, “Existence of a photonic gap in periodic dielectric structures,” Phys. Rev. Lett. 65, 3152-3155 (1990).
[CrossRef] [PubMed]

Chen, C.

Chen, C. Y.

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

Chen, C.-Y.

C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

Chen, Y.

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

Cumming, D. R. S.

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

da Costa, D. B.

D. B. da Costa and M. D. Yacoub, “Dual-hop transmissions with semi-blind relays over Nakagami-m fading channels,” Electron. Lett. 44, 214-215 (2008).
[CrossRef]

Dai, J.-M.

Dawson, P.

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

Drysdale, T. D.

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

Duvillaret, L.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Earley, S.

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

Federici, J. F.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Ferguson, B.

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

Garet, F.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Gary, D.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Gerlach, K.

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Ghattan, Z.

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

Gregory, I. S.

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

Grischkowsky, D.

Hasek, T.

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

He, J.

Hein, G.

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

Ho, K. M.

K. M. Ho, C. T. Chan, and C. M. Soukoulis, “Existence of a photonic gap in periodic dielectric structures,” Phys. Rev. Lett. 65, 3152-3155 (1990).
[CrossRef] [PubMed]

Hong, Z.

Hsieh, C. F.

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

Hsieh, C.-F.

C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).

Huang, F.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Jian, Z.-P.

Z.-P. Jian and D. M. Mittleman, “Broadband group velocity anomaly in transmission through a terahertz photonic crystal slab,” Phys. Rev. B 73, 115118-115121 (2006).
[CrossRef]

Katsarakis, N.

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

Kiriakidis, G.

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

Kleine-Ostmann, T.

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

Koch, M.

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

Krumbholz, N.

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Kurner, T.

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Kuzel, P.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Li, J.

Lin, C.

Lin, Y. F.

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

Lin, Y.-F.

C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).

Linfield, E. H.

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

Liu, H.-B.

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

Mittleman, D.

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Mittleman, D. M.

Z.-P. Jian and D. M. Mittleman, “Broadband group velocity anomaly in transmission through a terahertz photonic crystal slab,” Phys. Rev. B 73, 115118-115121 (2006).
[CrossRef]

Nemec, H.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Oliveira, F.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Pan, C. L.

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

Pan, C.-L.

C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

Pan, R. P.

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

C.-Y. Chen, C.-F. Hsieh, Y.-F. Lin, R. P. Pan, and C.-L. Pan, “Magnetically tunable room-temperature 2π liquid crystal terahertz phase shifter,” Opt. Express 12, 2630-2635 (2004).

Pan, R.-P.

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

Pierz, K.

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

Piesiewicz, T.

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Plopper, G.

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

Prather, D. W.

Rauly, D.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Redo-Sanchez, A.

Richard, J.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Rutz, F.

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Sage, I. C.

G. P. Bryan-Brown, E. L. Wood, and I. C. Sage, “Weak surface anchoring of liquid crystals,” Nature 399, 338-340 (1999).
[CrossRef]

Schneider, G. J.

Schulkin, B.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Shahabadi, M.

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

Sharkawy, A.

Shi, S.

Singleton, L.

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

Soukoulis, C. M.

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

K. M. Ho, C. T. Chan, and C. M. Soukoulis, “Existence of a photonic gap in periodic dielectric structures,” Phys. Rev. Lett. 65, 3152-3155 (1990).
[CrossRef] [PubMed]

Tribe, W. R.

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

Tsai, T.-R.

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

Wang, X. J.

X. J. Wang, Liquid Crystal Optics and Liquid Crystal Display (Science Press, 2006) (in Chinese).

Wilk, R.

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

Wood, E. L.

G. P. Bryan-Brown, E. L. Wood, and I. C. Sage, “Weak surface anchoring of liquid crystals,” Nature 399, 338-340 (1999).
[CrossRef]

Xavier, P.

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

Xu, J.-Z.

J.-Z. Xu, and X.-C. Zhang, “Terahertz wave reciprocal imaging,” Appl. Phys. Lett. 88, 151107-151109 (2006).
[CrossRef]

Yacoub, M. D.

D. B. da Costa and M. D. Yacoub, “Dual-hop transmissions with semi-blind relays over Nakagami-m fading channels,” Electron. Lett. 44, 214-215 (2008).
[CrossRef]

Yao, P.

Zhang, J.-Q.

Zhang, W.-L.

Zhang, X.-C.

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

H. Zhong, A. Redo-Sanchez, and X.-C. Zhang, “Identification and classification of chemicals using terahertz reflective spectroscopic focal-plane imaging system,” Opt. Express 14, 9130-9141 (2006).
[CrossRef] [PubMed]

J.-Z. Xu, and X.-C. Zhang, “Terahertz wave reciprocal imaging,” Appl. Phys. Lett. 88, 151107-151109 (2006).
[CrossRef]

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

Zhao, Y.

Zhong, H.

Zimdars, D.

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Appl. Opt. (1)

Appl. Phys. Lett. (5)

C. Y. Chen, C. L. Pan, C. F. Hsieh, Y. F. Lin, and R. P. Pan, “Liquid-crystal-based terahertz tunable lyot filter,” Appl. Phys. Lett. 88, 101107-101109 (2006).
[CrossRef]

T. Kleine-Ostmann, P. Dawson, K. Pierz, G. Hein, and M. Koch, “Room-temperature operation of an electrically driven terahertz modulator,” Appl. Phys. Lett. 84, 3555-3557 (2004).
[CrossRef]

J.-Z. Xu, and X.-C. Zhang, “Terahertz wave reciprocal imaging,” Appl. Phys. Lett. 88, 151107-151109 (2006).
[CrossRef]

T. D. Drysdale, I. S. Gregory, C. Baker, E. H. Linfield, W. R. Tribe, and D. R. S. Cumming, “Transmittance of a tunable filter at terahertz frequencies,” Appl. Phys. Lett. 85, 5173-5175 (2004).
[CrossRef]

N. Krumbholz, K. Gerlach, F. Rutz, M. Koch, T. Piesiewicz, T. Kurner, and D. Mittleman, “Omnidirectional terahertz mirrors: a key element for future terahertz communication systerms,” Appl. Phys. Lett. 88, 202905-202907 (2006).
[CrossRef]

Biosens. Bioelectron. (1)

H.-B. Liu, G. Plopper, S. Earley, Y. Chen, B. Ferguson, and X.-C. Zhang, “Sensing minute changes in biological cell monolayers with THz differential time-domain spectroscopy,” Biosens. Bioelectron. 22, 1075-1080 (2007).
[CrossRef]

Electron. Lett. (2)

D. B. da Costa and M. D. Yacoub, “Dual-hop transmissions with semi-blind relays over Nakagami-m fading channels,” Electron. Lett. 44, 214-215 (2008).
[CrossRef]

T. Kleine-Ostmann, K. Pierz, G. Hein, P. Dawson, and M. Koch, “Audio signal transmission over THz communication channel using semiconductor modulator,” Electron. Lett. 40, 124-125 (2004).
[CrossRef]

IEEE Microw. Wirel. Compon. Lett. (1)

T.-R. Tsai, C.-Y. Chen, R.-P. Pan, C.-L. Pan, and X.-C. Zhang, “Electrically controlled room temperature terahertz phase shifter with liquid crystal,” IEEE Microw. Wirel. Compon. Lett. 14, 77-79 (2004).
[CrossRef]

J. Appl. Phys. (1)

H. Nemec, L. Duvillaret, F. Garet, P. Kuzel, P. Xavier, J. Richard, and D. Rauly, “Thermally tunable filter for terahertz range based on a one-dimensional photonic crystal with a defect,” J. Appl. Phys. 96, 4072-4075 (2004).
[CrossRef]

J. Opt. Soc. Am. B (1)

Microsyst. Technol. (1)

N. Katsarakis, M. Bender, L. Singleton, G. Kiriakidis, and C. M. Soukoulis, “Two-dimensional metallic photonic band-gap crystals fabricated by LIGA,” Microsyst. Technol. 8, 74-77 (2002).
[CrossRef]

Nature (1)

G. P. Bryan-Brown, E. L. Wood, and I. C. Sage, “Weak surface anchoring of liquid crystals,” Nature 399, 338-340 (1999).
[CrossRef]

Opt. Commun. (1)

Z. Ghattan, T. Hasek, R. Wilk, M. Shahabadi, and M. Koch, “Sub-terahertz on-off switch based on a two-dimensional photonic crystal infiltrated by liquid crystals,” Opt. Commun. 281, 4623-4625 (2008).
[CrossRef]

Opt. Express (3)

Opt. Lett. (1)

Phys. Rev. B (1)

Z.-P. Jian and D. M. Mittleman, “Broadband group velocity anomaly in transmission through a terahertz photonic crystal slab,” Phys. Rev. B 73, 115118-115121 (2006).
[CrossRef]

Phys. Rev. Lett. (1)

K. M. Ho, C. T. Chan, and C. M. Soukoulis, “Existence of a photonic gap in periodic dielectric structures,” Phys. Rev. Lett. 65, 3152-3155 (1990).
[CrossRef] [PubMed]

Semicond. Sci. Technol. (1)

J. F. Federici, B. Schulkin, F. Huang, D. Gary, R. Barat, F. Oliveira, and D. Zimdars, “THz imaging and sensing for security applications-explosives, weapons and drugs,” Semicond. Sci. Technol. 20, 266-280 (2005).
[CrossRef]

Other (2)

BeamPROP, http://www.rsoftdesign.com.

X. J. Wang, Liquid Crystal Optics and Liquid Crystal Display (Science Press, 2006) (in Chinese).

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Figures (9)

Fig. 1
Fig. 1

Designed device for the THz switch and filter.

Fig. 2
Fig. 2

PBGs of PC with a square lattice; (a) magnetic field applied; (b) without magnetic field.

Fig. 3
Fig. 3

PBGs of PC with a hexagonal lattice; (a) magnetic field applied; (b) without magnetic field.

Fig. 4
Fig. 4

PBGs of PC with a honeycomb lattice; (a) magnetic field applied; (b) without magnetic field.

Fig. 5
Fig. 5

New calculation unit (left) and Brillouin zone (right) for PC waveguide with a square lattice.

Fig. 6
Fig. 6

Dispersion relations for the waveguide; upper: magnetic field applied; lower: without magnetic field.

Fig. 7
Fig. 7

Transmitting spectra of s-polarization waves in the PC waveguides.

Fig. 8
Fig. 8

Electric field distributions of s-polarization wave in the PC waveguides.

Fig. 9
Fig. 9

PBG as a function of θ; (a) for the square lattice PC with r = 0.2 a ; (b) for the hexagonal lattice PC with r = 0.2 a ; (c) for the honeycomb lattice PC with r = 0.34 a .

Equations (1)

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1 n z 2 ( θ ) = sin 2 ( θ ) n e 2 + cos 2 ( θ ) n 0 2 ,

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