Abstract

A novel ultra-short polarization beam splitter (PBS) based on a bent directional coupler is proposed by utilizing the evanescent coupling between two bent optical waveguides with different core widths. For the bent directional coupler, there is a significant phase-mismatch for TE polarization while the phase-matching condition is satisfied for TM polarization. Therefore, the TM polarized light can be coupled from the narrow input waveguide to the adjacent wide waveguide while the TE polarization goes through the coupling region without significant coupling. An ultra-short (<10μm-long) PBS is designed based on silicon-on-insulator nanowires and the length of the bent coupling region is as small as 4.5μm while the gap width is chosen as 200nm (large enough to simplify the fabrication). Numerical simulations show that the present PBS has a good fabrication tolerance for the variation of the waveguide width (more than ± 60nm) and a very broad band (~200nm) for an extinction ratio of >10dB.

© 2011 OSA

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    [CrossRef]

2011

2010

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

Y. Yue, L. Zhang, J.-Y. Yang, R. G. Beausoleil, and A. E. Willner, “Silicon-on-insulator polarization splitter using two horizontally slotted waveguides,” Opt. Lett. 35(9), 1364–1366 (2010).
[CrossRef] [PubMed]

2009

A. Katigbak, J. F. Strother, and J. Lin, “Compact silicon slot waveguide polarization splitter,” Opt. Eng. 48(8), 080503 (2009).
[CrossRef]

B. K. Yang, S. Y. Shin, and D. M. Zhang, “Ultrashort polarization splitter using two-mode interference in silicon photonic wires,” IEEE Photon. Technol. Lett. 21(7), 432–434 (2009).
[CrossRef]

Y. Tang, D. Dai, and S. He, “Proposal for a grating waveguide serving as both a polarization splitter and an efficient coupler for silicon-on-insulator nanophotonic circuits,” IEEE Photon. Technol. Lett. 21(4), 242–244 (2009).
[CrossRef]

M. A. Komatsu, K. Saitoh, and M. Koshiba, “Design of miniaturized silicon wire and slot waveguide polarization splitterbased on a resonant tunneling,” Opt. Express 17(21), 19225–19233 (2009).
[CrossRef] [PubMed]

2008

J. B. Xiao, X. Liu, and X. Sun, “Design of a compact polarization splitter in horizontal multiple-slotted waveguide structures,” Jpn. J. Appl. Phys. 47(5), 3748–3754 (2008).
[CrossRef]

T. Yamazaki, H. Aono, J. Yamauchi, and H. Nakano, “Coupled waveguide polarization splitter with slightly different core widths,” J. Lightwave Technol. 26(21), 3528–3533 (2008).
[CrossRef]

2007

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Y. Shi, D. Dai, and S. He, “Proposal for an ultra-compact PBS based on a photonic crystal-assisted multimode interference coupler,” IEEE Photon. Technol. Lett. 19(11), 825–827 (2007).
[CrossRef]

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

J. Feng and Z. Zhou, “Polarization beam splitter using a binary blazed grating coupler,” Opt. Lett. 32(12), 1662–1664 (2007).
[CrossRef] [PubMed]

2006

2005

T. K. Liang and H. K. Tsang, “Integrated PBS in high index contrast silicon-on-insulator waveguides,” IEEE Photon. Technol. Lett. 17(2), 393–395 (2005).
[CrossRef]

I. Kiyat, A. Aydinli, and N. Dagli, “A compact silicon-on-insulator polarization splitter,” IEEE Photon. Technol. Lett. 17(1), 100–102 (2005).
[CrossRef]

2004

2003

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

2001

B. M. A. Rahman, N. Somasiri, C. Themistos, and K. T. V. Grattan, “Design of optical polarization splitters in a single-section deeply etched MMI waveguide,” Appl. Phys. B 73(5–6), 613–618 (2001).
[CrossRef]

1998

1994

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

M. Okuno, A. Sugita, K. Jinguji, and M. Kawachi, “Birefringence control of silica waveguides on Si and its application to a polarization-beam splitter/switch,” J. Lightwave Technol. 12(4), 625–633 (1994).
[CrossRef]

1993

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Almeida, V. R.

Ang, S. S. N.

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

Ao, X.

X. Ao, L. Liu, W. Lech, and S. He, “Polarization beam splitter based on a two-dimensional photonic crystal of pillar type,” Appl. Phys. Lett. 89(17), 171115 (2006).
[CrossRef]

Aono, H.

Augustin, L. M.

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

Aydinli, A.

I. Kiyat, A. Aydinli, and N. Dagli, “A compact silicon-on-insulator polarization splitter,” IEEE Photon. Technol. Lett. 17(1), 100–102 (2005).
[CrossRef]

Baets, R.

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

Barrios, C. A.

Barwicz, T.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Beausoleil, R. G.

Bogaerts, W.

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

Bowers, J. E.

Brandon, J.

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Bruno, A.

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Carenco, A.

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Carre, M.

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Chew, A. B.

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

Chin, M. K.

Crozier, K. B.

S. Lin, J. Hu, and K. B. Crozier, “Ultracompact, broadband slot waveguide polarization splitter,” Appl. Phys. Lett. 98(15), 151101 (2011).
[CrossRef]

Dagli, N.

I. Kiyat, A. Aydinli, and N. Dagli, “A compact silicon-on-insulator polarization splitter,” IEEE Photon. Technol. Lett. 17(1), 100–102 (2005).
[CrossRef]

Dai, D.

de Laat, W. J. M.

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

de Vreede, A. H.

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

Ding, Y.

Dumon, P.

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

Feng, J.

Fukuda, H.

Ghirardi, F.

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Grattan, K. T. V.

B. M. A. Rahman, N. Somasiri, C. Themistos, and K. T. V. Grattan, “Design of optical polarization splitters in a single-section deeply etched MMI waveguide,” Appl. Phys. B 73(5–6), 613–618 (2001).
[CrossRef]

Groen, F. H.

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

Hanfoug, R.

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

He, S.

Y. Tang, D. Dai, and S. He, “Proposal for a grating waveguide serving as both a polarization splitter and an efficient coupler for silicon-on-insulator nanophotonic circuits,” IEEE Photon. Technol. Lett. 21(4), 242–244 (2009).
[CrossRef]

Y. Shi, D. Dai, and S. He, “Proposal for an ultra-compact PBS based on a photonic crystal-assisted multimode interference coupler,” IEEE Photon. Technol. Lett. 19(11), 825–827 (2007).
[CrossRef]

X. Ao, L. Liu, W. Lech, and S. He, “Polarization beam splitter based on a two-dimensional photonic crystal of pillar type,” Appl. Phys. Lett. 89(17), 171115 (2006).
[CrossRef]

D. Dai, Y. Shi, and S. He, “Characteristic analysis of nanosilicon rectangular waveguides for planar light-wave circuits of high integration,” Appl. Opt. 45(20), 4941–4946 (2006).
[CrossRef] [PubMed]

Ho, S. T.

Hong, J. M.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Hu, J.

S. Lin, J. Hu, and K. B. Crozier, “Ultracompact, broadband slot waveguide polarization splitter,” Appl. Phys. Lett. 98(15), 151101 (2011).
[CrossRef]

Hvam, J. M.

Ippen, E.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Itabashi, S.

Jeong, J. W.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Jinguji, K.

M. Okuno, A. Sugita, K. Jinguji, and M. Kawachi, “Birefringence control of silica waveguides on Si and its application to a polarization-beam splitter/switch,” J. Lightwave Technol. 12(4), 625–633 (1994).
[CrossRef]

Kartner, F.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Katigbak, A.

A. Katigbak, J. F. Strother, and J. Lin, “Compact silicon slot waveguide polarization splitter,” Opt. Eng. 48(8), 080503 (2009).
[CrossRef]

Kawachi, M.

M. Okuno, A. Sugita, K. Jinguji, and M. Kawachi, “Birefringence control of silica waveguides on Si and its application to a polarization-beam splitter/switch,” J. Lightwave Technol. 12(4), 625–633 (1994).
[CrossRef]

Kim, S.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Kiyat, I.

I. Kiyat, A. Aydinli, and N. Dagli, “A compact silicon-on-insulator polarization splitter,” IEEE Photon. Technol. Lett. 17(1), 100–102 (2005).
[CrossRef]

Komatsu, M. A.

Koshiba, M.

Lech, W.

X. Ao, L. Liu, W. Lech, and S. He, “Polarization beam splitter based on a two-dimensional photonic crystal of pillar type,” Appl. Phys. Lett. 89(17), 171115 (2006).
[CrossRef]

Lee, E. H.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Lee, S. G.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Liang, T. K.

T. K. Liang and H. K. Tsang, “Integrated PBS in high index contrast silicon-on-insulator waveguides,” IEEE Photon. Technol. Lett. 17(2), 393–395 (2005).
[CrossRef]

Lin, J.

A. Katigbak, J. F. Strother, and J. Lin, “Compact silicon slot waveguide polarization splitter,” Opt. Eng. 48(8), 080503 (2009).
[CrossRef]

Lin, S.

S. Lin, J. Hu, and K. B. Crozier, “Ultracompact, broadband slot waveguide polarization splitter,” Appl. Phys. Lett. 98(15), 151101 (2011).
[CrossRef]

Lipson, M.

Liu, L.

L. Liu, Y. Ding, K. Yvind, and J. M. Hvam, “Silicon-on-insulator polarization splitting and rotating device for polarization diversity circuits,” Opt. Express 19(13), 12646–12651 (2011).
[CrossRef] [PubMed]

X. Ao, L. Liu, W. Lech, and S. He, “Polarization beam splitter based on a two-dimensional photonic crystal of pillar type,” Appl. Phys. Lett. 89(17), 171115 (2006).
[CrossRef]

Liu, X.

J. B. Xiao, X. Liu, and X. Sun, “Design of a compact polarization splitter in horizontal multiple-slotted waveguide structures,” Jpn. J. Appl. Phys. 47(5), 3748–3754 (2008).
[CrossRef]

Mei, T.

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

Meniganx, L.

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Metaal, E. G.

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

Nakano, H.

O, . H.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Okuno, M.

M. Okuno, A. Sugita, K. Jinguji, and M. Kawachi, “Birefringence control of silica waveguides on Si and its application to a polarization-beam splitter/switch,” J. Lightwave Technol. 12(4), 625–633 (1994).
[CrossRef]

Park, S. G.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Park, S. R.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Popovic, M.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Rahman, B. M. A.

B. M. A. Rahman, N. Somasiri, C. Themistos, and K. T. V. Grattan, “Design of optical polarization splitters in a single-section deeply etched MMI waveguide,” Appl. Phys. B 73(5–6), 613–618 (2001).
[CrossRef]

Rakich, P.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Ryu, H. H.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Saitoh, K.

Selvaraja, S. K.

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

Shi, Y.

Y. Shi, D. Dai, and S. He, “Proposal for an ultra-compact PBS based on a photonic crystal-assisted multimode interference coupler,” IEEE Photon. Technol. Lett. 19(11), 825–827 (2007).
[CrossRef]

D. Dai, Y. Shi, and S. He, “Characteristic analysis of nanosilicon rectangular waveguides for planar light-wave circuits of high integration,” Appl. Opt. 45(20), 4941–4946 (2006).
[CrossRef] [PubMed]

Shin, S. Y.

B. K. Yang, S. Y. Shin, and D. M. Zhang, “Ultrashort polarization splitter using two-mode interference in silicon photonic wires,” IEEE Photon. Technol. Lett. 21(7), 432–434 (2009).
[CrossRef]

Shinojima, H.

Smit, M. K.

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

Smith, H.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Socci, L.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Soldano, L. B.

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

Somasiri, N.

B. M. A. Rahman, N. Somasiri, C. Themistos, and K. T. V. Grattan, “Design of optical polarization splitters in a single-section deeply etched MMI waveguide,” Appl. Phys. B 73(5–6), 613–618 (2001).
[CrossRef]

Strother, J. F.

A. Katigbak, J. F. Strother, and J. Lin, “Compact silicon slot waveguide polarization splitter,” Opt. Eng. 48(8), 080503 (2009).
[CrossRef]

Sugita, A.

M. Okuno, A. Sugita, K. Jinguji, and M. Kawachi, “Birefringence control of silica waveguides on Si and its application to a polarization-beam splitter/switch,” J. Lightwave Technol. 12(4), 625–633 (1994).
[CrossRef]

Sun, X.

J. B. Xiao, X. Liu, and X. Sun, “Design of a compact polarization splitter in horizontal multiple-slotted waveguide structures,” Jpn. J. Appl. Phys. 47(5), 3748–3754 (2008).
[CrossRef]

Tang, Y.

Y. Tang, D. Dai, and S. He, “Proposal for a grating waveguide serving as both a polarization splitter and an efficient coupler for silicon-on-insulator nanophotonic circuits,” IEEE Photon. Technol. Lett. 21(4), 242–244 (2009).
[CrossRef]

Teng, J.

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

Themistos, C.

B. M. A. Rahman, N. Somasiri, C. Themistos, and K. T. V. Grattan, “Design of optical polarization splitters in a single-section deeply etched MMI waveguide,” Appl. Phys. B 73(5–6), 613–618 (2001).
[CrossRef]

Tsang, H. K.

T. K. Liang and H. K. Tsang, “Integrated PBS in high index contrast silicon-on-insulator waveguides,” IEEE Photon. Technol. Lett. 17(2), 393–395 (2005).
[CrossRef]

Tsuchizawa, T.

Tu, X. G.

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

van der Tol, J. J. G. M.

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

Van Thourhout, D.

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

Verbeek, B. H.

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

Wang, Z.

Watanabe, T.

Watts, M.

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Willner, A. E.

Woo, D.

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

Xiao, J. B.

J. B. Xiao, X. Liu, and X. Sun, “Design of a compact polarization splitter in horizontal multiple-slotted waveguide structures,” Jpn. J. Appl. Phys. 47(5), 3748–3754 (2008).
[CrossRef]

Xu, Q.

Yamada, K.

Yamauchi, J.

Yamazaki, T.

Yang, B. K.

B. K. Yang, S. Y. Shin, and D. M. Zhang, “Ultrashort polarization splitter using two-mode interference in silicon photonic wires,” IEEE Photon. Technol. Lett. 21(7), 432–434 (2009).
[CrossRef]

Yang, J.-Y.

Yue, Y.

Yvind, K.

Zhang, D. M.

B. K. Yang, S. Y. Shin, and D. M. Zhang, “Ultrashort polarization splitter using two-mode interference in silicon photonic wires,” IEEE Photon. Technol. Lett. 21(7), 432–434 (2009).
[CrossRef]

Zhang, L.

Zhou, Z.

Appl. Opt.

Appl. Phys. B

B. M. A. Rahman, N. Somasiri, C. Themistos, and K. T. V. Grattan, “Design of optical polarization splitters in a single-section deeply etched MMI waveguide,” Appl. Phys. B 73(5–6), 613–618 (2001).
[CrossRef]

Appl. Phys. Lett.

X. Ao, L. Liu, W. Lech, and S. He, “Polarization beam splitter based on a two-dimensional photonic crystal of pillar type,” Appl. Phys. Lett. 89(17), 171115 (2006).
[CrossRef]

S. Lin, J. Hu, and K. B. Crozier, “Ultracompact, broadband slot waveguide polarization splitter,” Appl. Phys. Lett. 98(15), 151101 (2011).
[CrossRef]

IEEE J. Sel.Top. Quant. Electron.

S. K. Selvaraja, W. Bogaerts, P. Dumon, D. Van Thourhout, and R. Baets, “Subnanometer linewidth uniformity in silicon nanophotonic waveguide devices using CMOS fabrication technology,” IEEE J. Sel.Top. Quant. Electron. 16(1), 316–324 (2010).
[CrossRef]

IEEE Photon. Technol. Lett.

Y. Shi, D. Dai, and S. He, “Proposal for an ultra-compact PBS based on a photonic crystal-assisted multimode interference coupler,” IEEE Photon. Technol. Lett. 19(11), 825–827 (2007).
[CrossRef]

F. Ghirardi, J. Brandon, M. Carre, A. Bruno, L. Meniganx, and A. Carenco, “Polarization splitter based on modal birefringence in InP/InGaAsP optical waveguides,” IEEE Photon. Technol. Lett. 5(9), 1047–1049 (1993).
[CrossRef]

Y. Tang, D. Dai, and S. He, “Proposal for a grating waveguide serving as both a polarization splitter and an efficient coupler for silicon-on-insulator nanophotonic circuits,” IEEE Photon. Technol. Lett. 21(4), 242–244 (2009).
[CrossRef]

L. B. Soldano, A. H. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Groen, “Mach-Zehnder interferometer polarization splitter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 6(3), 402–405 (1994).
[CrossRef]

T. K. Liang and H. K. Tsang, “Integrated PBS in high index contrast silicon-on-insulator waveguides,” IEEE Photon. Technol. Lett. 17(2), 393–395 (2005).
[CrossRef]

L. M. Augustin, R. Hanfoug, J. J. G. M. van der Tol, W. J. M. de Laat, and M. K. Smit, “A compact integrated polarization splitter/converter in InGaAsP-InP,” IEEE Photon. Technol. Lett. 19(17), 1286–1288 (2007).
[CrossRef]

J. M. Hong, H. H. Ryu, S. R. Park, J. W. Jeong, S. G. Lee, E. H. Lee, S. G. Park, D. Woo, and S. Kim, and B. H. O, “Design and fabrication of a significantly shortened multimode interference coupler for polarization splitter application,” IEEE Photon. Technol. Lett. 15(1), 72–74 (2003).
[CrossRef]

B. K. Yang, S. Y. Shin, and D. M. Zhang, “Ultrashort polarization splitter using two-mode interference in silicon photonic wires,” IEEE Photon. Technol. Lett. 21(7), 432–434 (2009).
[CrossRef]

I. Kiyat, A. Aydinli, and N. Dagli, “A compact silicon-on-insulator polarization splitter,” IEEE Photon. Technol. Lett. 17(1), 100–102 (2005).
[CrossRef]

X. G. Tu, S. S. N. Ang, A. B. Chew, J. Teng, and T. Mei, “An ultracompact directional coupler based on GaAs cross-slot waveguide,” IEEE Photon. Technol. Lett. 22(17), 1324–1326 (2010).
[CrossRef]

J. Lightwave Technol.

Jpn. J. Appl. Phys.

J. B. Xiao, X. Liu, and X. Sun, “Design of a compact polarization splitter in horizontal multiple-slotted waveguide structures,” Jpn. J. Appl. Phys. 47(5), 3748–3754 (2008).
[CrossRef]

Nat. Photonics

T. Barwicz, M. Watts, M. Popovic, P. Rakich, L. Socci, F. Kartner, E. Ippen, and H. Smith, “Polarization-transparent microphotonic devices in the strong confinement limit,” Nat. Photonics 1(1), 57–60 (2007).
[CrossRef]

Opt. Eng.

A. Katigbak, J. F. Strother, and J. Lin, “Compact silicon slot waveguide polarization splitter,” Opt. Eng. 48(8), 080503 (2009).
[CrossRef]

Opt. Express

Opt. Lett.

Other

FIMMWAVE/FIMMPROP, Photon Design Ltd, http://www.photond.com .

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Figures (7)

Fig. 1
Fig. 1

A directional coupler with two parallel bent waveguides.

Fig. 2
Fig. 2

The optical path lengths (OPL) as the waveguide width varies when R 2 = 20μm, (a) TM; (b) TE.

Fig. 3
Fig. 3

The schematic configuration of the proposed PBS based on a bent DC, (a) the 3D view, (b) the top view.

Fig. 4
Fig. 4

The transmissions at the through and cross ports as the length of the coupling region for: (a) TM input; (b) TE input.

Fig. 5
Fig. 5

The light propagation in the designed PBS with L dc = 4.5μm, R 1 = 19.3μm, R 2 = 20.0μm, w 1 = 0.534μm, w 2 = 0.46μm, and w gap = 203nm. (a) TE; (b) TM.

Fig. 6
Fig. 6

The wavelength dependence of the designed PBS when the input is: (a) the TM fundamental mode (TM0), and (b) the TE fundamental mode (TE0).

Fig. 7
Fig. 7

The fabrication tolerance of the designed PBS when the input is: (a) TM fundamental mode (TM0), and (b) TE fundamental mode (TE0).

Equations (1)

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O P L = N 2 k 0 R 2 θ = N 1 k 0 R 1 θ ,

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