Abstract

A novel porous-core hexagonal lattice photonic crystal fiber (PCF) is designed and analyzed for efficient terahertz (THz) wave propagation. The finite element method based Comsol v4.2 software is used for numerical analysis of the proposed fiber. A perfectly matched layer boundary condition is used to characterize the guiding properties. Rectangular air-holes are used inside the core to introduce asymmetry for attaining high birefringence. By intentionally rotating the rectangular air holes of porous core structure, an ultrahigh birefringence of 0.045 and low effective material loss of 0.086 cm-1 can be obtained at the operating frequency of 0.85 THz. Moreover, single-mode properties, power fraction in air core and confinement loss of the proposed PCF are also analyzed. This is expected to be useful for wideband imaging and telecom applications.

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Other (18)

M. M. Awad and R. A. ChevilleTransmission terahertz waveguide-based imaging below the diffraction limitAppl. Phys. Lett.200586221107-1221107-3

R. M. Woodward, V. P. Wallace, D. D. Arnone, E. H. Linfield, and M. J. PepperTerahertz pulsed imaging of skin cancer in the time and frequency domainBiol. Phys.200329257259

A. Y. Pawar, D. D. Sonawane, K. B. Erande, and D. V. DerleTerahertz technology and its applicationsDrug Invent. Today20135157163

M. R. Hasan, M. S. Anower, M. A. Islam, and S. M. A. RazzakPolarization-maintaining low-loss porous-core spiral photonic crystal fiber for terahertz wave guidanceAppl. Opt.20165541454152

S. Fathololoumi, E. Dupont, C. W. I. Chan, Z. R. Wasilewski, S. R. Laframboise, D. Ban, A. Mátyás, C. Jirauschek, Q. Hu, and H. C. LiuTerahertz quantum cascade lasers operating up to ~200 K with optimized oscillator strength and improved injection tunnelingOpt. Express2012203866

A. W. M. Lee, Q. Qin, S. Kumar, B. S. Williams, and Q. HuReal-time terahertz imaging over a standoff distance (> 25 meters)Appl. Phy. Lett.200689141125(1-3)

K. Wang and D. M. MittlemanMetal wires for terahertz wave guidingNature2004432376379

A. Dupuis, K. Stoeffler, B. Ung, C. Dubois, and M. J. SkorobogatiyHollow-core terahertz optical waveguides with hyperuniform disordered reflectorsOpt. Soc. Am. B201128896907

H. Han, H. Park, M. Cho, and J. KimTerahertz pulse propagation in a plastic fiberAppl. Phys. Lett.20028026342639

L. J. Chen, H. W. Chen, T. F. Kao, J. Y. Lu, and C. K. SunLow-loss subwavelength plastic fiber for terahertz waveguidingOpt. Lett.200631308310

S. E. Kim, B. H. Kim, C. G. Lee, S. Lee, K. Oh, and C. S. KeeElliptical defected core photonic crystal fiber with high birefringence and negative flattened dispersionOpt. Express20122013851391

J. Noda, K. Okamoto, and Y. SasakiPolarization-maintaining fibers and their applicationsJ. Lightw. Technol.1986410711089

M. B. Byrne, M. U. Shaukat, J. E. Cunningham, E. H. Linfield, and A. G. DaviesLow-loss and bend-insensitive terahertz fiber using a rhombic shaped coreAppl. Phys. Lett.201198151104

M. Cho, J. Kim, H. Park, Y. Han, K. Moon, E. Jung, and H. HanHighly birefringent terahertz polarization maintaining plastic photonic crystal fibersOpt. Express200816712

G. K. M. Hasanuzzaman, S. Rana, and M. S. HabibA novel low loss, highly birefringent photonic crystal fiber in THz regimeIEEE Photon. Technol. Lett.201628899902

N. Chen, J. Liangand, and L. RenHigh-birefringence, low-loss porous fiber for single-mode terahertz wave guidanceAppl. Opt.20135252975302

R. Islam, M. S. Habib, G. K. M. Hasanuzzaman, S. Rana, M. A. Sadat, and C. MarkosA novel low loss diamond-core porous fiber for polarization maintaining terahertz transmissionIEEE Photon. Technol. Lett.20162815371540

K. M. Kiang, K. Frampton, T. M. Monro, R. Moore, J. Tucknott, D. W. Hewak, D. J. Richardson, and H. N. RuttExtruded singlemode non-silica glass holey optical fibresElectron. Lett.200238546547

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