Abstract

We propose a novel silicon waveguide that exhibits four zero-dispersion wavelengths for the first time, to the best of our knowledge, with a flattened dispersion over a 670-nm bandwidth. This holds a great potential for exploration of new nonlinear effects and achievement of ultra-broadband signal processing on a silicon chip. As an example, we show that an octave-spanning supercontinuum assisted by dispersive wave generation can be obtained in silicon, over a wavelength range from 1217 to 2451 nm, almost from bandgap wavelength to half-bandgap wavelength. Input pulse is greatly compressed to 10 fs.

© 2012 OSA

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2011

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

S. Stark, F. Biancalana, A. Podlipensky, and P. St. J. Russell, “Nonlinear wavelength conversion in photonic crystal fibers with three zero-dispersion points,” Phys. Rev. A 83(2), 023808 (2011).
[CrossRef]

B. J. Eggleton, B. Luther-Davies, and K. Richardson, “Chalcogenide photonics,” Nat. Photonics 5, 141 (2011).

D. D. Hudson, S. A. Dekker, E. C. Mägi, A. C. Judge, S. D. Jackson, E. Li, J. S. Sanghera, L. B. Shaw, I. D. Aggarwal, and B. J. Eggleton, “Octave spanning supercontinuum in an As2S3 taper using ultralow pump pulse energy,” Opt. Lett. 36(7), 1122–1124 (2011).
[CrossRef] [PubMed]

L. Zhang, Y. Yan, Y. Yue, Q. Lin, O. Painter, R. G. Beausoleil, and A. E. Willner, “On-chip two-octave supercontinuum generation by enhancing self-steepening of optical pulses,” Opt. Express 19(12), 11584–11590 (2011).
[CrossRef] [PubMed]

2010

2009

2008

2007

A. D. Bristow, N. Rotenberg, and H. M. van Driel, “Two-photon absorption and Kerr coefficients of silicon for 850-2200 nm,” Appl. Phys. Lett. 90(19), 191104 (2007).
[CrossRef]

Q. Lin, J. Zhang, G. Piredda, R. W. Boyd, P. M. Fauchet, and G. P. Agrawal, “Dispersion of silicon nonlinearities in the near-infrared region,” Appl. Phys. Lett. 91(2), 021111 (2007).
[CrossRef]

L. Yin, Q. Lin, and G. P. Agrawal, “Soliton fission and supercontinuum generation in silicon waveguides,” Opt. Lett. 32(4), 391–393 (2007).
[CrossRef] [PubMed]

G. Genty, P. Kinsler, B. Kibler, and J. M. Dudley, “Nonlinear envelope equation modeling of sub-cycle dynamics and harmonic generation in nonlinear waveguides,” Opt. Express 15(9), 5382–5387 (2007).
[CrossRef] [PubMed]

M. R. Lamont, C. M. de Sterke, and B. J. Eggleton, “Dispersion engineering of highly nonlinear As2S3 waveguides for parametric gain and wavelength conversion,” Opt. Express 15(15), 9458–9463 (2007).
[CrossRef] [PubMed]

I.-W. Hsieh, X. Chen, X. Liu, J. I. Dadap, N. C. Panoiu, C.-Y. Chou, F. Xia, W. M. Green, Y. A. Vlasov, and R. M. Osgood, “Supercontinuum generation in silicon photonic wires,” Opt. Express 15(23), 15242–15249 (2007).
[CrossRef] [PubMed]

Q. Lin, O. J. Painter, and G. P. Agrawal, “Nonlinear optical phenomena in silicon waveguides: modeling and applications,” Opt. Express 15(25), 16604–16644 (2007).
[CrossRef] [PubMed]

R. Sun, P. Dong, N.-N. Feng, C.-Y. Hong, J. Michel, M. Lipson, and L. Kimerling, “Horizontal single and multiple slot waveguides: optical transmission at λ = 1550 nm,” Opt. Express 15(26), 17967–17972 (2007).
[CrossRef] [PubMed]

2006

J. M. Dudley, G. Genty, and S. Coen, “Supercontinuum generation in photonic crystal fiber,” Rev. Mod. Phys. 78(4), 1135–1184 (2006).
[CrossRef]

X. Chen, N. C. Panoiu, and R. M. Osgood., “Theory of Raman-mediated pulsed amplification in silicon-wire waveguides,” IEEE J. Quantum Electron. 42(2), 160–170 (2006).
[CrossRef]

2005

2004

2003

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

2000

Afshar V, S.

Aggarwal, I. D.

Agrawal, G. P.

Andrés, P.

Bang, O.

Beausoleil, R. G.

Biancalana, F.

S. Stark, F. Biancalana, A. Podlipensky, and P. St. J. Russell, “Nonlinear wavelength conversion in photonic crystal fibers with three zero-dispersion points,” Phys. Rev. A 83(2), 023808 (2011).
[CrossRef]

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Boyd, R. W.

Q. Lin, J. Zhang, G. Piredda, R. W. Boyd, P. M. Fauchet, and G. P. Agrawal, “Dispersion of silicon nonlinearities in the near-infrared region,” Appl. Phys. Lett. 91(2), 021111 (2007).
[CrossRef]

Boyraz, Ö.

Bristow, A. D.

A. D. Bristow, N. Rotenberg, and H. M. van Driel, “Two-photon absorption and Kerr coefficients of silicon for 850-2200 nm,” Appl. Phys. Lett. 90(19), 191104 (2007).
[CrossRef]

Broderick, N. G. R.

Caraquitena, J.

Chen, X.

Chou, C.-Y.

Coen, S.

J. M. Dudley, G. Genty, and S. Coen, “Supercontinuum generation in photonic crystal fiber,” Rev. Mod. Phys. 78(4), 1135–1184 (2006).
[CrossRef]

Dadap, J. I.

Dai, Y.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

de Sterke, C. M.

Dekker, S. A.

Dong, P.

Dudley, J. M.

Dulkeith, E.

Efimov, A.

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Eggleton, B. J.

Falk, P.

Fauchet, P. M.

Q. Lin, J. Zhang, G. Piredda, R. W. Boyd, P. M. Fauchet, and G. P. Agrawal, “Dispersion of silicon nonlinearities in the near-infrared region,” Appl. Phys. Lett. 91(2), 021111 (2007).
[CrossRef]

Feng, N.-N.

Ferrando, A.

Finazzi, V.

Freude, W.

J. Leuthold, C. Koos, and W. Freude, “Nonlinear silicon photonics,” Nat. Photonics 4(8), 535–544 (2010).
[CrossRef]

Frosz, M. H.

Galán, J. V.

Genty, G.

Gorbach, A. V.

D. V. Skryabin and A. V. Gorbach, “Colloquium: Looking at a soliton through the prism of optical supercontinuum,” Rev. Mod. Phys. 82(2), 1287–1299 (2010).
[CrossRef]

Green, W. M.

Green, W. M. J.

Hong, C.-Y.

Hsieh, I.-W.

Hu, D. J. J.

D. J. J. Hu, P. P. Shum, C. Lu, and G. Ren, “Dispersion-flattened polarization-maintaining photonic crystal fiber for nonlinear applications,” Opt. Commun. 282(20), 4072–4076 (2009).

Hudson, D. D.

Jackson, S. D.

Jalali, B.

P. Koonath, D. R. Solli, and B. Jalali, “Limiting nature of continuum generation in silicon,” Appl. Phys. Lett. 93(9), 091114 (2008).
[CrossRef]

Ö. Boyraz, P. Koonath, V. Raghunathan, and B. Jalali, “All optical switching and continuum generation in silicon waveguides,” Opt. Express 12(17), 4094–4102 (2004).
[CrossRef] [PubMed]

Judge, A. C.

Kibler, B.

Kimerling, L.

Kinsler, P.

Knight, J. C.

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Koonath, P.

P. Koonath, D. R. Solli, and B. Jalali, “Limiting nature of continuum generation in silicon,” Appl. Phys. Lett. 93(9), 091114 (2008).
[CrossRef]

Ö. Boyraz, P. Koonath, V. Raghunathan, and B. Jalali, “All optical switching and continuum generation in silicon waveguides,” Opt. Express 12(17), 4094–4102 (2004).
[CrossRef] [PubMed]

Koos, C.

J. Leuthold, C. Koos, and W. Freude, “Nonlinear silicon photonics,” Nat. Photonics 4(8), 535–544 (2010).
[CrossRef]

Koshiba, M.

Lamont, M. R.

Leuthold, J.

J. Leuthold, C. Koos, and W. Freude, “Nonlinear silicon photonics,” Nat. Photonics 4(8), 535–544 (2010).
[CrossRef]

Li, E.

Lin, J.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

Lin, Q.

Lipson, M.

Liu, X.

Lu, C.

D. J. J. Hu, P. P. Shum, C. Lu, and G. Ren, “Dispersion-flattened polarization-maintaining photonic crystal fiber for nonlinear applications,” Opt. Commun. 282(20), 4072–4076 (2009).

Luther-Davies, B.

B. J. Eggleton, B. Luther-Davies, and K. Richardson, “Chalcogenide photonics,” Nat. Photonics 5, 141 (2011).

Mägi, E. C.

Martí, J.

Mas, S.

McNab, S. J.

Michel, J.

Miret, J. J.

Monro, T. M.

Omenetto, F. G.

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Osgood, R. M.

Painter, O.

Painter, O. J.

Panoiu, N. C.

Piredda, G.

Q. Lin, J. Zhang, G. Piredda, R. W. Boyd, P. M. Fauchet, and G. P. Agrawal, “Dispersion of silicon nonlinearities in the near-infrared region,” Appl. Phys. Lett. 91(2), 021111 (2007).
[CrossRef]

Podlipensky, A.

S. Stark, F. Biancalana, A. Podlipensky, and P. St. J. Russell, “Nonlinear wavelength conversion in photonic crystal fibers with three zero-dispersion points,” Phys. Rev. A 83(2), 023808 (2011).
[CrossRef]

Poletti, F.

Raghunathan, V.

Reeves, W. H.

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Ren, G.

D. J. J. Hu, P. P. Shum, C. Lu, and G. Ren, “Dispersion-flattened polarization-maintaining photonic crystal fiber for nonlinear applications,” Opt. Commun. 282(20), 4072–4076 (2009).

Richardson, D. J.

Richardson, K.

B. J. Eggleton, B. Luther-Davies, and K. Richardson, “Chalcogenide photonics,” Nat. Photonics 5, 141 (2011).

Rotenberg, N.

A. D. Bristow, N. Rotenberg, and H. M. van Driel, “Two-photon absorption and Kerr coefficients of silicon for 850-2200 nm,” Appl. Phys. Lett. 90(19), 191104 (2007).
[CrossRef]

Russell, P. St. J.

S. Stark, F. Biancalana, A. Podlipensky, and P. St. J. Russell, “Nonlinear wavelength conversion in photonic crystal fibers with three zero-dispersion points,” Phys. Rev. A 83(2), 023808 (2011).
[CrossRef]

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Saitoh, K.

Sanchis, P.

Sanghera, J. S.

Sekaric, L.

Shaw, L. B.

Shum, P. P.

D. J. J. Hu, P. P. Shum, C. Lu, and G. Ren, “Dispersion-flattened polarization-maintaining photonic crystal fiber for nonlinear applications,” Opt. Commun. 282(20), 4072–4076 (2009).

Silvestre, E.

Skryabin, D. V.

D. V. Skryabin and A. V. Gorbach, “Colloquium: Looking at a soliton through the prism of optical supercontinuum,” Rev. Mod. Phys. 82(2), 1287–1299 (2010).
[CrossRef]

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Solli, D. R.

P. Koonath, D. R. Solli, and B. Jalali, “Limiting nature of continuum generation in silicon,” Appl. Phys. Lett. 93(9), 091114 (2008).
[CrossRef]

Stark, S.

S. Stark, F. Biancalana, A. Podlipensky, and P. St. J. Russell, “Nonlinear wavelength conversion in photonic crystal fibers with three zero-dispersion points,” Phys. Rev. A 83(2), 023808 (2011).
[CrossRef]

Sun, R.

Taylor, A. J.

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
[CrossRef] [PubMed]

Tse, V.

van Driel, H. M.

A. D. Bristow, N. Rotenberg, and H. M. van Driel, “Two-photon absorption and Kerr coefficients of silicon for 850-2200 nm,” Appl. Phys. Lett. 90(19), 191104 (2007).
[CrossRef]

Vlasov, Y. A.

Wang, J.

Willner, A. E.

Wu, J.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

Xia, F.

Xiao-Li, Y.

Xu, C.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

Xu, H.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

Xu, K.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

Yan, Y.

Yin, L.

Yue, Y.

Zhang, J.

Q. Lin, J. Zhang, G. Piredda, R. W. Boyd, P. M. Fauchet, and G. P. Agrawal, “Dispersion of silicon nonlinearities in the near-infrared region,” Appl. Phys. Lett. 91(2), 021111 (2007).
[CrossRef]

Zhang, L.

Zhang, W.-Q.

Appl. Phys. Lett.

P. Koonath, D. R. Solli, and B. Jalali, “Limiting nature of continuum generation in silicon,” Appl. Phys. Lett. 93(9), 091114 (2008).
[CrossRef]

A. D. Bristow, N. Rotenberg, and H. M. van Driel, “Two-photon absorption and Kerr coefficients of silicon for 850-2200 nm,” Appl. Phys. Lett. 90(19), 191104 (2007).
[CrossRef]

Q. Lin, J. Zhang, G. Piredda, R. W. Boyd, P. M. Fauchet, and G. P. Agrawal, “Dispersion of silicon nonlinearities in the near-infrared region,” Appl. Phys. Lett. 91(2), 021111 (2007).
[CrossRef]

IEEE J. Quantum Electron.

X. Chen, N. C. Panoiu, and R. M. Osgood., “Theory of Raman-mediated pulsed amplification in silicon-wire waveguides,” IEEE J. Quantum Electron. 42(2), 160–170 (2006).
[CrossRef]

J. Opt. A, Pure Appl. Opt.

H. Xu, J. Wu, K. Xu, Y. Dai, C. Xu, and J. Lin, “Ultra-flattened chromatic dispersion control for circular photonic crystal fibers,” J. Opt. A, Pure Appl. Opt. 13(5), 055405 (2011).

Nat. Photonics

J. Leuthold, C. Koos, and W. Freude, “Nonlinear silicon photonics,” Nat. Photonics 4(8), 535–544 (2010).
[CrossRef]

B. J. Eggleton, B. Luther-Davies, and K. Richardson, “Chalcogenide photonics,” Nat. Photonics 5, 141 (2011).

Nature

W. H. Reeves, D. V. Skryabin, F. Biancalana, J. C. Knight, P. St. J. Russell, F. G. Omenetto, A. Efimov, and A. J. Taylor, “Transformation and control of ultra-short pulses in dispersion-engineered photonic crystal fibres,” Nature 424(6948), 511–515 (2003).
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Opt. Commun.

D. J. J. Hu, P. P. Shum, C. Lu, and G. Ren, “Dispersion-flattened polarization-maintaining photonic crystal fiber for nonlinear applications,” Opt. Commun. 282(20), 4072–4076 (2009).

Opt. Express

K. Saitoh and M. Koshiba, “Highly nonlinear dispersion-flattened photonic crystal fibers for supercontinuum generation in a telecommunication window,” Opt. Express 12(10), 2027–2032 (2004).
[CrossRef] [PubMed]

Ö. Boyraz, P. Koonath, V. Raghunathan, and B. Jalali, “All optical switching and continuum generation in silicon waveguides,” Opt. Express 12(17), 4094–4102 (2004).
[CrossRef] [PubMed]

F. Poletti, V. Finazzi, T. M. Monro, N. G. R. Broderick, V. Tse, and D. J. Richardson, “Inverse design and fabrication tolerances of ultra-flattened dispersion holey fibers,” Opt. Express 13(10), 3728–3736 (2005).
[CrossRef] [PubMed]

M. H. Frosz, P. Falk, and O. Bang, “The role of the second zero-dispersion wavelength in generation of supercontinua and bright-bright soliton-pairs across the zero-dispersion wavelength,” Opt. Express 13(16), 6181–6192 (2005).

L. Zhang, Y. Yan, Y. Yue, Q. Lin, O. Painter, R. G. Beausoleil, and A. E. Willner, “On-chip two-octave supercontinuum generation by enhancing self-steepening of optical pulses,” Opt. Express 19(12), 11584–11590 (2011).
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G. Genty, P. Kinsler, B. Kibler, and J. M. Dudley, “Nonlinear envelope equation modeling of sub-cycle dynamics and harmonic generation in nonlinear waveguides,” Opt. Express 15(9), 5382–5387 (2007).
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M. R. Lamont, C. M. de Sterke, and B. J. Eggleton, “Dispersion engineering of highly nonlinear As2S3 waveguides for parametric gain and wavelength conversion,” Opt. Express 15(15), 9458–9463 (2007).
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I.-W. Hsieh, X. Chen, X. Liu, J. I. Dadap, N. C. Panoiu, C.-Y. Chou, F. Xia, W. M. Green, Y. A. Vlasov, and R. M. Osgood, “Supercontinuum generation in silicon photonic wires,” Opt. Express 15(23), 15242–15249 (2007).
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Q. Lin, O. J. Painter, and G. P. Agrawal, “Nonlinear optical phenomena in silicon waveguides: modeling and applications,” Opt. Express 15(25), 16604–16644 (2007).
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R. Sun, P. Dong, N.-N. Feng, C.-Y. Hong, J. Michel, M. Lipson, and L. Kimerling, “Horizontal single and multiple slot waveguides: optical transmission at λ = 1550 nm,” Opt. Express 15(26), 17967–17972 (2007).
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J. I. Dadap, N. C. Panoiu, X. Chen, I.-W. Hsieh, X. Liu, C.-Y. Chou, E. Dulkeith, S. J. McNab, F. Xia, W. M. J. Green, L. Sekaric, Y. A. Vlasov, and R. M. Osgood., “Nonlinear-optical phase modification in dispersion-engineered Si photonic wires,” Opt. Express 16(2), 1280–1299 (2008).
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S. Afshar V and T. M. Monro, “A full vectorial model for pulse propagation in emerging waveguides with subwavelength structures part I: Kerr nonlinearity,” Opt. Express 17(4), 2298–2318 (2009).
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W.-Q. Zhang, S. Afshar V, and T. M. Monro, “A genetic algorithm based approach to fiber design for high coherence and large bandwidth supercontinuum generation,” Opt. Express 17(21), 19311–19327 (2009).
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L. Zhang, Y. Yue, Y. Xiao-Li, J. Wang, R. G. Beausoleil, and A. E. Willner, “Flat and low dispersion in highly nonlinear slot waveguides,” Opt. Express 18(12), 13187–13193 (2010).
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L. Zhang, Y. Yue, R. G. Beausoleil, and A. E. Willner, “Flattened dispersion in silicon slot waveguides,” Opt. Express 18(19), 20529–20534 (2010).
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S. Mas, J. Caraquitena, J. V. Galán, P. Sanchis, and J. Martí, “Tailoring the dispersion behavior of silicon nanophotonic slot waveguides,” Opt. Express 18(20), 20839–20844 (2010).
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Opt. Lett.

Phys. Rev. A

S. Stark, F. Biancalana, A. Podlipensky, and P. St. J. Russell, “Nonlinear wavelength conversion in photonic crystal fibers with three zero-dispersion points,” Phys. Rev. A 83(2), 023808 (2011).
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Rev. Mod. Phys.

J. M. Dudley, G. Genty, and S. Coen, “Supercontinuum generation in photonic crystal fiber,” Rev. Mod. Phys. 78(4), 1135–1184 (2006).
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Q. Lin, “Generalized nonlinear envelope equation with high-order dispersion of nonlinearity” (to be published).

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R. Halir, Y. Okawachi, J. S. Levy, M. A. Foster, M. Lipson, and A. L. Gaeta, “Octave-spanning supercontinuum generation in CMOS-compatible silicon nitride waveguides,” in CLEO - Laser Applications to Photonic Applications 2011, paper PDPA6 (2011).

B. Kuyken, X. Liu, R. M. Osgood, Y. A. Vlasov, R. Baets, G. Roelkens, and W. M. Green, “Generation of a telecom-to-mid-infrared spanning supercontinuum using silicon-on-insulator wire waveguides,” in CLEO - Laser Applications to Photonic Applications 2011, paper CTuS1 (2011).

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Figures (5)

Fig. 1
Fig. 1

Silicon slot waveguide for flattened dispersion with four ZDWs. A horizontal silica slot is between two silicon layers. Optical power distributions are shown near the ZDWs.

Fig. 2
Fig. 2

(a) Material dispersion in silicon and flattened dispersion with four ZDWs in the proposed silicon slot waveguide. (b) A close-up view of dispersion and group delay profiles.

Fig. 3
Fig. 3

Dispersion is increased from normal to anomalous dispersion regime as (a) the upper height decreases or (b) the lower height increases, with a small change in dispersion slope.

Fig. 4
Fig. 4

(a) Dispersion slope can be greatly change by varying the slot height. (b) Spacing of ZDWs is varied by increasing the waveguide width.

Fig. 5
Fig. 5

Pulse spectra and waveforms, for input pulse FWHM of 120 fs in (a, b) and 60 fs in (c, d). The waveforms are captured at 3.5 mm and 1.6 mm, respectively.

Equations (1)

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( z + α 2 +i m=2 (i) m β m m m!      t m )A= n=0 i γ n n!  ( i 2 ) n ( 1 i ω 0 t )[ A * n t n ( A 2 )]

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