S. Fasquel, X. Mélique, O. Vanbésien, D. Lippens,
"Three-dimensional calculation of propagation losses in photonic crystal
waveguides," Opt. Commun. 246, 91-96 (2005).

B. Miao, C. Chen, S. Shi, J. Murakowski, D. W. Prather,
"High-efficiency broad-band transmission through a double-60$^{\circ}$ bend in a
planar photonic crystal single-line defect waveguide," IEEE Photon. Technol. Lett.
16, 2469-2471 (2004).

L. H. Frandsen, A. Harpøth, P. I. Borel, M. Kristensen, "Broadband
photonic crystal waveguide 60$^{\circ}$ bend obtained utilizing topoloy
optimization," Opt. Express 12, 5916-5921 (2004).

P. I. Borel, A. Harpoth, L. H. Frandsen, M. Kristensen, P. Shi, J.
S. Jensen, O. Sigmund, "Topology optimization and fabrication of photonic crystal
structures," Opt. Express 12, 1996-2001 (2004).

P. E. Barclay, K. Srinivasan, M. Borselli, O. Painter, "Probing
the dispersive and spatial properties of photonic crystal waveguides via highly
efficient coupling from fiber tapers," Opt. Lett. 85, 4-6 (2004).

M. V. Kotlyar, T. Karle, M. D. Settle, L. O'Faolain, T. F. Krauss,
"Low-loss photonic crystal defect waveguides in InP," Appl. Phys. Lett. 84,
3588-3590 (2004).

J. Zimmermann, H. Scherer, M. Kamp, S. Deubert, J. P. Reithmaier,
A. Forchel, R. März, S. Anand, "Photonic crystal waveguides with propagation
losses in the 1 dB/mm range," J. Vac. Sci. Technol. B 22, 3356-3358
(2004).

S. J. McNab, N. Moll, Y. A. Vlasov, "Ultra-low loss photonic
integrated circuit with membrane-type photonic crystal waveguides," Opt. Express
11, 2927-2939 (2003).

C. Sauvan, P. Lalanne, J. C. Rodier, J. P. Hugonin, A. Talneau,
"Accurate modeling of line-defect photonic crystal waveguides," IEEE Photon.
Technol. Lett. 15, 1243-1245 (2003).

A. Morand, C. Robinson, Y. Désières, T. Benyattou, P. Benech, O.
Jacquin, M. Le Vassor d'Yerville, "3-D numerical modeling of propagation losses of
a single line-defect photonic crystal," Opt. Commum. 221, 353-357
(2003).

M. Qiu, "Effective index method for
heterostructure-slab-waveguide-based two-dimensional photonic crystals," Appl.
Phys. Lett. 81, 1163-1165 (2002).

A. Chutinan, M. Okano, S. Noda, "Wider bandwidth with high
transmission through waveguide bends in two-dimensional photonic crystal slabs,"
Appl. Phys. Lett. 80, 1698-1700 (2002).

D. W. Prather, J. Murakowski, S. Shi, S. Venkataraman, A.
Sharkawy, C. Chen, D. Pustai, "High-efficiency coupling structure for a
single-line-defect photonic-crystal waveguide," Opt. Lett. 27, 1601-1603
(2002).

T. D. Happ, M. Kamp, A. Forchel, "Photonic crystal tapers for
ultracompact mode conversion," Opt. Lett. 26, 1102-1104 (2001).

M. Notomi, K. Yamada, A. Shinya, J. Takahashi, C. Takahashi, I.
Yokohama, "Extremely large group-velocity dispersion of line-defect waveguides in
photonic slabs," Phys. Rev. Lett. 87, 253902-1-253902-2 (2001).

A. Chutinan, S. Noda, "Waveguides and waveguide bends in
two-dimensional photonic crystal slabs," Phys. Rev. B 62, 4488-4492
(2000).

S. W. Leonard, H. M. van Driel, A. Birner, U. Gösele, P. R.
Villeneuve, "Single-mode transmission in two-dimensional macroporous silicon
photonic crystal waveguides," Opt. Lett. 25, 1550-1552 (2000).

T. Zijlstra, E. van der Drifta, M. J. A. de Dood, E. Snoeks, A.
Polman, "Fabrication of two-dimensional photonic crystal waveguides for
$1.5~\mu{\hbox {m}}$ in silicon by deep anisotropic dry etching," J. Vac. Sci.
Technol. B 17, 2734-2739 (1999).

A. Mekis, J. C. Chen, I. Kurland, S. Fan, P. R. Villeneuve, J. D.
Joannopoulos, "High transmission through sharp bends in the photonic crystal
waveguides," Phys. Rev. Lett. 77, 3787-3790 (1996).

T. Baba, Y. Kokubun, "Dispersion and radiation loss charateristics
of antiresonant reflecting optical waveguides-numerical results and analytical
expressions," IEEE J. Quantum Electron. 28, 1689-1790 (1992).

M. A. Duguay, Y. Kokubun, T. L. Koch, L. Pfeiffer, "Antiresonant
reflecting optical waveguides in SiO2-Si mutilayer structures," Appl. Phys. Lett.
49, 13-15 (1986).

M. V. Kotlyar, T. Karle, M. D. Settle, L. O'Faolain, T. F. Krauss,
"Low-loss photonic crystal defect waveguides in InP," Appl. Phys. Lett. 84,
3588-3590 (2004).

M. Qiu, "Effective index method for
heterostructure-slab-waveguide-based two-dimensional photonic crystals," Appl.
Phys. Lett. 81, 1163-1165 (2002).

A. Chutinan, M. Okano, S. Noda, "Wider bandwidth with high
transmission through waveguide bends in two-dimensional photonic crystal slabs,"
Appl. Phys. Lett. 80, 1698-1700 (2002).

M. A. Duguay, Y. Kokubun, T. L. Koch, L. Pfeiffer, "Antiresonant
reflecting optical waveguides in SiO2-Si mutilayer structures," Appl. Phys. Lett.
49, 13-15 (1986).

T. Baba, Y. Kokubun, "Dispersion and radiation loss charateristics
of antiresonant reflecting optical waveguides-numerical results and analytical
expressions," IEEE J. Quantum Electron. 28, 1689-1790 (1992).

B. Miao, C. Chen, S. Shi, J. Murakowski, D. W. Prather,
"High-efficiency broad-band transmission through a double-60$^{\circ}$ bend in a
planar photonic crystal single-line defect waveguide," IEEE Photon. Technol. Lett.
16, 2469-2471 (2004).

C. Sauvan, P. Lalanne, J. C. Rodier, J. P. Hugonin, A. Talneau,
"Accurate modeling of line-defect photonic crystal waveguides," IEEE Photon.
Technol. Lett. 15, 1243-1245 (2003).

J. Zimmermann, H. Scherer, M. Kamp, S. Deubert, J. P. Reithmaier,
A. Forchel, R. März, S. Anand, "Photonic crystal waveguides with propagation
losses in the 1 dB/mm range," J. Vac. Sci. Technol. B 22, 3356-3358
(2004).

T. Zijlstra, E. van der Drifta, M. J. A. de Dood, E. Snoeks, A.
Polman, "Fabrication of two-dimensional photonic crystal waveguides for
$1.5~\mu{\hbox {m}}$ in silicon by deep anisotropic dry etching," J. Vac. Sci.
Technol. B 17, 2734-2739 (1999).

A. Morand, C. Robinson, Y. Désières, T. Benyattou, P. Benech, O.
Jacquin, M. Le Vassor d'Yerville, "3-D numerical modeling of propagation losses of
a single line-defect photonic crystal," Opt. Commum. 221, 353-357
(2003).

S. Fasquel, X. Mélique, O. Vanbésien, D. Lippens,
"Three-dimensional calculation of propagation losses in photonic crystal
waveguides," Opt. Commun. 246, 91-96 (2005).

S. J. McNab, N. Moll, Y. A. Vlasov, "Ultra-low loss photonic
integrated circuit with membrane-type photonic crystal waveguides," Opt. Express
11, 2927-2939 (2003).

M. Settle, M. Salib, A. Michaeli, T. F. Krauss, "Low loss silicon
on insulator photonic crystal waveguides made by 193 nm optical lithography," Opt.
Express 14, 2440-2445 (2006).

L. H. Frandsen, A. Harpøth, P. I. Borel, M. Kristensen, "Broadband
photonic crystal waveguide 60$^{\circ}$ bend obtained utilizing topoloy
optimization," Opt. Express 12, 5916-5921 (2004).

P. I. Borel, A. Harpoth, L. H. Frandsen, M. Kristensen, P. Shi, J.
S. Jensen, O. Sigmund, "Topology optimization and fabrication of photonic crystal
structures," Opt. Express 12, 1996-2001 (2004).

T. D. Happ, M. Kamp, A. Forchel, "Photonic crystal tapers for
ultracompact mode conversion," Opt. Lett. 26, 1102-1104 (2001).

D. W. Prather, J. Murakowski, S. Shi, S. Venkataraman, A.
Sharkawy, C. Chen, D. Pustai, "High-efficiency coupling structure for a
single-line-defect photonic-crystal waveguide," Opt. Lett. 27, 1601-1603
(2002).

P. E. Barclay, K. Srinivasan, M. Borselli, O. Painter, "Probing
the dispersive and spatial properties of photonic crystal waveguides via highly
efficient coupling from fiber tapers," Opt. Lett. 85, 4-6 (2004).

S. W. Leonard, H. M. van Driel, A. Birner, U. Gösele, P. R.
Villeneuve, "Single-mode transmission in two-dimensional macroporous silicon
photonic crystal waveguides," Opt. Lett. 25, 1550-1552 (2000).

Y. Zhang, B. Li, "Ultracompact waveguide bends with simple toplogy
in two-dimensional photonic crystal slabs for optical communication wavelengths,"
Opt. Lett. 32, 787-789 (2007).

A. Chutinan, S. Noda, "Waveguides and waveguide bends in
two-dimensional photonic crystal slabs," Phys. Rev. B 62, 4488-4492
(2000).

M. Notomi, K. Yamada, A. Shinya, J. Takahashi, C. Takahashi, I.
Yokohama, "Extremely large group-velocity dispersion of line-defect waveguides in
photonic slabs," Phys. Rev. Lett. 87, 253902-1-253902-2 (2001).

A. Mekis, J. C. Chen, I. Kurland, S. Fan, P. R. Villeneuve, J. D.
Joannopoulos, "High transmission through sharp bends in the photonic crystal
waveguides," Phys. Rev. Lett. 77, 3787-3790 (1996).