Abstract

A novel concept for an ultracompact polarization splitter-rotator is proposed by utilizing a structure combining an adiabatic taper and an asymmetrical directional coupler. The adiabatic taper structure is singlemode at the input end while it becomes multimode at the other end. When light propagates along the adiabatic taper structure, the TM fundamental mode launched at the narrow end is efficiently (close to 100%) converted to the first higher-order TE mode at the wide end because of the mode coupling between them. By using an asymmetrical directional coupler that has two adjacent waveguides with different core widths, the first higher-order TE mode is then coupled to the TE fundamental mode of the adjacent narrow waveguide. On the other hand, the input TE polarization does not change when it goes through the adiabatic taper structure. In the region of the asymmetrical directional coupler, the TE fundamental mode in the wide waveguide is not coupled to the adjacent narrow waveguide because of phase mismatch. In this way, TE- and TM- polarized light are separated while the TM fundamental mode is also converted into the TE fundamental mode. A design example of the proposed polarization splitter-rotator is given by using silicon-on-insulator nanowires and the total length of the device is less than 100μm. Furthermore, only a one-mask process is needed for the fabrication process, which is compatible with the standard fabrication for the regular photonic integrated circuits based on SOI nanowires.

© 2011 OSA

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2010 (2)

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

J. Zhang, M. B. Yu, G. Q. Lo, and D. L. Kwong, “Silicon-waveguide-based mode evolution polarization rotator,” IEEE J. Sel. Top. Quantum Electron. 16(1), 53–60 (2010).
[CrossRef]

2009 (4)

Z. Sheng, D. Dai, and S. He, “Comparative study of losses in ultrasharp silicon-on-insulator nanowire bends,” IEEE J. Sel. Top. Quantum Electron. 15(5), 1406–1412 (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]

D. Dai, Y. Shi, and S. He, “Theoretical Investigation for reducing polarization-sensitivity in Si-nanowire-based arrayed-waveguide grating (de)multiplexer with polarization-beam-splitters and reflectors,” IEEE J. Quantum Electron. 45(6), 654–660 (2009).
[CrossRef]

Y. Yue, L. Zhang, M. Song, R. G. Beausoleil, and A. E. Willner, “Higher-order-mode assisted silicon-on-insulator 90 degree polarization rotator,” Opt. Express 17(23), 20694–20699 (2009).
[CrossRef] [PubMed]

2008 (2)

2007 (4)

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]

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, “A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires,” Opt. Express 15(4), 1567–1578 (2007).
[CrossRef] [PubMed]

N.-N. Feng, R. Sun, J. Michel, and L. C. Kimerling, “Low-loss compact-size slotted waveguide polarization rotator and transformer,” Opt. Lett. 32(15), 2131–2133 (2007).
[CrossRef] [PubMed]

2006 (4)

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

D. Dai and S. He, “Design of a polarization-insensitive arrayed waveguide grating demultiplexer based on silicon photonic wires,” Opt. Lett. 31(13), 1988–1990 (2006).
[CrossRef] [PubMed]

H. Fukuda, K. Yamada, T. Tsuchizawa, T. Watanabe, H. Shinojima, and S. Itabashi, “Ultrasmall polarization splitter based on silicon wire waveguides,” Opt. Express 14(25), 12401–12408 (2006).
[CrossRef] [PubMed]

D. Dai, L. Liu, L. Wosinski, and S. He, “Design and fabrication of ultra-small overlapped AWG demultiplexer based on alpha-Si nanowire waveguides,” Electron. Lett. 42(7), 400–402 (2006).
[CrossRef]

2005 (3)

H. H. Deng, D. O. Yevick, C. Brooks, and P. E. Jessop, “Design rules for slanted-angle polarization rotators,” J. Lightwave Technol. 23(1), 432–445 (2005).
[CrossRef]

K. Sasaki, F. Ohno, A. Motegi, and T. Baba, “Arrayed waveguide grating of 70×60μm2 size based on Si photonic wire waveguides,” Electron. Lett. 41(14), 801–802 (2005).
[CrossRef]

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

2001 (1)

1998 (1)

1994 (1)

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

Achiam, Y.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Adamczyk, O.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Baba, T.

K. Sasaki, F. Ohno, A. Motegi, and T. Baba, “Arrayed waveguide grating of 70×60μm2 size based on Si photonic wire waveguides,” Electron. Lett. 41(14), 801–802 (2005).
[CrossRef]

Baets, R.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, “A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires,” Opt. Express 15(4), 1567–1578 (2007).
[CrossRef] [PubMed]

Baets, R. G.

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

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.

Beckx, S.

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Bhandare, S.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Bogaerts, W.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, “A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires,” Opt. Express 15(4), 1567–1578 (2007).
[CrossRef] [PubMed]

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Brooks, C.

Brouckaert, J.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

Dai, D.

D. Dai, Y. Shi, and S. He, “Theoretical Investigation for reducing polarization-sensitivity in Si-nanowire-based arrayed-waveguide grating (de)multiplexer with polarization-beam-splitters and reflectors,” IEEE J. Quantum Electron. 45(6), 654–660 (2009).
[CrossRef]

Z. Sheng, D. Dai, and S. He, “Comparative study of losses in ultrasharp silicon-on-insulator nanowire bends,” IEEE J. Sel. Top. Quantum Electron. 15(5), 1406–1412 (2009).
[CrossRef]

Z. Wang and D. Dai, “Ultrasmall Si-nanowire-based polarization rotator,” J. Opt. Soc. Am. B 25(5), 747–753 (2008).
[CrossRef]

D. Dai and S. He, “Design of a polarization-insensitive arrayed waveguide grating demultiplexer based on silicon photonic wires,” Opt. Lett. 31(13), 1988–1990 (2006).
[CrossRef] [PubMed]

D. Dai, L. Liu, L. Wosinski, and S. He, “Design and fabrication of ultra-small overlapped AWG demultiplexer based on alpha-Si nanowire waveguides,” Electron. Lett. 42(7), 400–402 (2006).
[CrossRef]

De Vos, K.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

de Vreede, A. I.

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

Deng, H. H.

Dumon, P.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, “A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires,” Opt. Express 15(4), 1567–1578 (2007).
[CrossRef] [PubMed]

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

El-Mikathi, H. A.

Feng, N.-N.

Fukuda, H.

Grattan, K. T. V.

Green, F. H.

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

Grossard, N.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Hauden, J.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

He, S.

D. Dai, Y. Shi, and S. He, “Theoretical Investigation for reducing polarization-sensitivity in Si-nanowire-based arrayed-waveguide grating (de)multiplexer with polarization-beam-splitters and reflectors,” IEEE J. Quantum Electron. 45(6), 654–660 (2009).
[CrossRef]

Z. Sheng, D. Dai, and S. He, “Comparative study of losses in ultrasharp silicon-on-insulator nanowire bends,” IEEE J. Sel. Top. Quantum Electron. 15(5), 1406–1412 (2009).
[CrossRef]

D. Dai, L. Liu, L. Wosinski, and S. He, “Design and fabrication of ultra-small overlapped AWG demultiplexer based on alpha-Si nanowire waveguides,” Electron. Lett. 42(7), 400–402 (2006).
[CrossRef]

D. Dai and S. He, “Design of a polarization-insensitive arrayed waveguide grating demultiplexer based on silicon photonic wires,” Opt. Lett. 31(13), 1988–1990 (2006).
[CrossRef] [PubMed]

Hirono, T.

Hoffmann, S.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Huang, W.-P.

Ibrahim, S. K.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

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.

Jaenen, P.

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Jessop, P. E.

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]

Kimerling, L. C.

Komatsu, M. A.

Koshiba, M.

Kwong, D. L.

J. Zhang, M. B. Yu, G. Q. Lo, and D. L. Kwong, “Silicon-waveguide-based mode evolution polarization rotator,” IEEE J. Sel. Top. Quantum Electron. 16(1), 53–60 (2010).
[CrossRef]

Liang, T. K.

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

Liu, L.

D. Dai, L. Liu, L. Wosinski, and S. He, “Design and fabrication of ultra-small overlapped AWG demultiplexer based on alpha-Si nanowire waveguides,” Electron. Lett. 42(7), 400–402 (2006).
[CrossRef]

Lo, G. Q.

J. Zhang, M. B. Yu, G. Q. Lo, and D. L. Kwong, “Silicon-waveguide-based mode evolution polarization rotator,” IEEE J. Sel. Top. Quantum Electron. 16(1), 53–60 (2010).
[CrossRef]

Lui, W. W.

Metaal, E. G.

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

Michel, J.

Motegi, A.

K. Sasaki, F. Ohno, A. Motegi, and T. Baba, “Arrayed waveguide grating of 70×60μm2 size based on Si photonic wire waveguides,” Electron. Lett. 41(14), 801–802 (2005).
[CrossRef]

Noé, R.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Obayya, S. S. A.

Ohno, F.

K. Sasaki, F. Ohno, A. Motegi, and T. Baba, “Arrayed waveguide grating of 70×60μm2 size based on Si photonic wire waveguides,” Electron. Lett. 41(14), 801–802 (2005).
[CrossRef]

Peveling, R.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Pfau, T.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Pluk, E.

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]

Porrmann, M.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Porte, H.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Rahman, B. M. A.

Rajarajan, M.

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]

Saitoh, K.

Sandel, D.

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

Sasaki, K.

K. Sasaki, F. Ohno, A. Motegi, and T. Baba, “Arrayed waveguide grating of 70×60μm2 size based on Si photonic wire waveguides,” Electron. Lett. 41(14), 801–802 (2005).
[CrossRef]

Selvaraja, S. K.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

Sheng, Z.

Z. Sheng, D. Dai, and S. He, “Comparative study of losses in ultrasharp silicon-on-insulator nanowire bends,” IEEE J. Sel. Top. Quantum Electron. 15(5), 1406–1412 (2009).
[CrossRef]

Shi, Y.

D. Dai, Y. Shi, and S. He, “Theoretical Investigation for reducing polarization-sensitivity in Si-nanowire-based arrayed-waveguide grating (de)multiplexer with polarization-beam-splitters and reflectors,” IEEE J. Quantum Electron. 45(6), 654–660 (2009).
[CrossRef]

Shinojima, H.

Smit, M. K.

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

Somasiri, N.

Song, M.

Sun, R.

Taillaert, D.

W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, “A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires,” Opt. Express 15(4), 1567–1578 (2007).
[CrossRef] [PubMed]

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Thourhout, D. V.

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Tsang, H. K.

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

Tsuchizawa, T.

Van Thourhout, D.

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

W. Bogaerts, D. Taillaert, P. Dumon, D. Van Thourhout, R. Baets, and E. Pluk, “A polarization-diversity wavelength duplexer circuit in silicon-on-insulator photonic wires,” Opt. Express 15(4), 1567–1578 (2007).
[CrossRef] [PubMed]

Verbeek, B. H.

L. B. Soldano, A. I. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Green, “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]

Wiaux, V.

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Willner, A. E.

Wosinski, L.

D. Dai, L. Liu, L. Wosinski, and S. He, “Design and fabrication of ultra-small overlapped AWG demultiplexer based on alpha-Si nanowire waveguides,” Electron. Lett. 42(7), 400–402 (2006).
[CrossRef]

Wouters, J.

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

Yamada, K.

Yevick, D. O.

Yokoyama, K.

Yu, M. B.

J. Zhang, M. B. Yu, G. Q. Lo, and D. L. Kwong, “Silicon-waveguide-based mode evolution polarization rotator,” IEEE J. Sel. Top. Quantum Electron. 16(1), 53–60 (2010).
[CrossRef]

Yue, Y.

Zhang, J.

J. Zhang, M. B. Yu, G. Q. Lo, and D. L. Kwong, “Silicon-waveguide-based mode evolution polarization rotator,” IEEE J. Sel. Top. Quantum Electron. 16(1), 53–60 (2010).
[CrossRef]

Zhang, L.

Electron. Lett. (2)

K. Sasaki, F. Ohno, A. Motegi, and T. Baba, “Arrayed waveguide grating of 70×60μm2 size based on Si photonic wire waveguides,” Electron. Lett. 41(14), 801–802 (2005).
[CrossRef]

D. Dai, L. Liu, L. Wosinski, and S. He, “Design and fabrication of ultra-small overlapped AWG demultiplexer based on alpha-Si nanowire waveguides,” Electron. Lett. 42(7), 400–402 (2006).
[CrossRef]

IEEE J. Quantum Electron. (1)

D. Dai, Y. Shi, and S. He, “Theoretical Investigation for reducing polarization-sensitivity in Si-nanowire-based arrayed-waveguide grating (de)multiplexer with polarization-beam-splitters and reflectors,” IEEE J. Quantum Electron. 45(6), 654–660 (2009).
[CrossRef]

IEEE J. Sel. Top. Quantum Electron. (4)

W. Bogaerts, S. K. Selvaraja, P. Dumon, J. Brouckaert, K. De Vos, D. Van Thourhout, and R. Baets, “Silicon-on-Insulator Spectral Filters Fabricated With CMOS Technology,” IEEE J. Sel. Top. Quantum Electron. 16(1), 33–44 (2010).
[CrossRef]

Z. Sheng, D. Dai, and S. He, “Comparative study of losses in ultrasharp silicon-on-insulator nanowire bends,” IEEE J. Sel. Top. Quantum Electron. 15(5), 1406–1412 (2009).
[CrossRef]

W. Bogaerts, P. Dumon, D. V. Thourhout, D. Taillaert, P. Jaenen, J. Wouters, S. Beckx, V. Wiaux, and R. G. Baets, “Compact wavelength-selective functions in silicon-on-insulator photonic wires,” IEEE J. Sel. Top. Quantum Electron. 12(6), 1394–1401 (2006).
[CrossRef]

J. Zhang, M. B. Yu, G. Q. Lo, and D. L. Kwong, “Silicon-waveguide-based mode evolution polarization rotator,” IEEE J. Sel. Top. Quantum Electron. 16(1), 53–60 (2010).
[CrossRef]

IEEE Photon. Technol. Lett. (3)

L. B. Soldano, A. I. de Vreede, M. K. Smit, B. H. Verbeek, E. G. Metaal, and F. H. Green, “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 polarization beam splitter in high index contrast silicon-on-insulator waveguides,” IEEE Photon. Technol. Lett. 17(2), 393–395 (2005).
[CrossRef]

T. Pfau, R. Peveling, J. Hauden, N. Grossard, H. Porte, Y. Achiam, S. Hoffmann, S. K. Ibrahim, O. Adamczyk, S. Bhandare, D. Sandel, M. Porrmann, and R. Noé, “Coherent digital polarization diversity receiver for real-time polarization-multiplexed QPSK transmission at 2.8 Gb/s,” IEEE Photon. Technol. Lett. 19(24), 1988–1990 (2007).
[CrossRef]

J. Lightwave Technol. (3)

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

Nat. Photonics (1)

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. Express (5)

Opt. Lett. (2)

Other (2)

D. Vermeulen, S. Selvaraja, W. A. D. De Cort, N. A. Yebo, E. Hallynck, K. De Vos, P. P. P. Debackere, P. Dumon, W. Bogaerts, G. Roelkens, D. Van Thourhout, and R. Baets, “Efficient tapering to the fundamental Quasi-TM mode in asymmetrical waveguides,” ECIO 2010 (2010).

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

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Figures (9)

Fig. 1
Fig. 1

The calculated effective indices for the eigen modes of SOI nanowires with different upper claddings. (a) Air cladding; (b) SiO2 cladding; (c) Si3N4 cladding. Here the thickness of the Si core layer is h co = 220nm.

Fig. 2
Fig. 2

The schematic configuration of the proposed polarization splitter-rotator based on an asymmetrical DC. (a) the 3D view; (b) the the top view.

Fig. 3
Fig. 3

The mode conversion efficiency η (from the TM0 mode to the TE1 mode) as L tp2 varies when TM fundamental mode is launched. Here the taper length L tp1 = 15, 10, 5, 4,3, 2, and 1μm. The taper length L tp3 is given by L tp3 = L tp1(w 3w 2)/(w 1w 0). The other parameters are w 0 = 0.54μm, w 1 = 0.69μm, w 2 = 0.83μm, w 3 = 0.9μm.

Fig. 4
Fig. 4

The light propagation in the designed adiabatic taper when the input field is TE polarization (a), and TM polarization (b), respectively. Here the taper lengths are: L tp1 = 4μm, L tp2 = 44μm, and L tp3 = L tp1(w 3w 2)/(w 1w 0). The other parameters are w 0 = 0.54μm, w 1 = 0.69μm, w 2 = 0.83μm, and w 3 = 0.9μm.

Fig. 5
Fig. 5

The coupling efficiency from the first higher-order TE mode of the wide waveguide (w 3 = 0.9μm) to the TE fundamental mode of the narrow waveguide (w 4 = 0.405μm).

Fig. 6
Fig. 6

The light propagation in the designed polarization splitter-rotator when the input field is TE polarization (a), and TM polarization (b). Here the taper lengths are: L tp1 = 4μm, L tp2 = 44μm, and L tp3 = L tp1(w 3w 2)/(w 1w 0). The other parameters are w 0 = 0.54μm, w 1 = 0.69μm, w 2 = 0.83μm, w 3 = 0.9μm, w gap = 0.15μm, and L dc = 7.0μm.

Fig. 7
Fig. 7

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

Fig. 8
Fig. 8

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

Fig. 9
Fig. 9

(a) The wavelength dependence, and (b) the fabrication tolerance of the designed polarization rotator-splitter with a longer taper. The input is the TM fundamental mode (TM0). The taper lengths L tp1 = 10μm, L tp2 = 69μm, and L tp3 = L tp1(w 3w 2)/(w 1w 0).

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