Abstract

We numerically demonstrate the use of waveguide dispersion to shift the zero-dispersion wavelength of an As2S3 waveguide to telecom wavelengths. The device implications for parametric gain and wavelength-conversion via four-wave mixing are investigated, giving an operating bandwidth of 550 nm. We also show that the photosensitivity of chalcogenide can be used for post-fabrication tuning of waveguide dispersion characteristics.

© 2007 Optical Society of America

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  1. M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
    [CrossRef] [PubMed]
  2. Q. Lin, J. D. Zhang, P. M. Fauchet, and G. P. Agrawal, "Ultrabroadband parametric generation and wavelength conversion in silicon waveguides," Opt. Express 14, 4786-4799 (2006).
    [CrossRef] [PubMed]
  3. A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
    [CrossRef] [PubMed]
  4. Y. L. Ruan, W. T. Li, R. Jarvis, N. Madsen, A. Rode, and B. Luther-Davies, "Fabrication and characterization of low loss rib chalcogenide waveguides made by dry etching," Opt. Express 12, 5140-5145 (2004).
    [CrossRef] [PubMed]
  5. S. Madden, Laser Physics Centre, RSPhysSE, The Australian National University, Canberra, ACT 0200, Australia, email: sjm111@rsphy1.anu.edu.au (personal communication, 2007).
  6. G. P. Agrawal, Nonlinear Fiber Optics (Academic Press, San Diego, California, 2001), Chap. 10.
  7. N. Ho, J. M. Laniel, R. Vallee, and A. Villeneuve, "Photosensitivity of As2S3 chalcogenide thin films at 1.5 μm," Opt. Lett. 28, 965-967 (2003).
    [CrossRef] [PubMed]
  8. C. J. McKinstrie, S. Radic, and A. R. Chraplyvy, "Parametric amplifiers driven by two pump waves," IEEE J. Sel. Top. Quantum. 8, 538-547 (2002).
    [CrossRef]
  9. M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
    [CrossRef]
  10. T. K. Liang, and H. K. Tsang, "Nonlinear absorption and Raman scattering in silicon-on-insulator optical waveguides," IEEE J. Sel. Top. Quantum. 10, 1149-1153 (2004).
    [CrossRef]
  11. H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
    [CrossRef]
  12. M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
    [CrossRef]
  13. M. Shokooh-Saremi, V. G. Ta'eed, N. J. Baker, I. C. M. Littler, D. J. Moss, B. J. Eggleton, Y. L. Ruan, and B. Luther-Davies, "High-performance Bragg gratings in chalcogenide rib waveguides written with a modified Sagnac interferometer," J. Opt. Soc. Am. B 23, 1323-1331 (2006).
    [CrossRef]
  14. A. Saliminia, A. Villeneuve, T. V. Galstyan, S. LaRochelle, and K. Richardson, "First- and second-order Bragg gratings in single-mode planar waveguides of chalcogenide glasses," J. Lightwave Technol. 17, 837-842 (1999).
    [CrossRef]
  15. K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
    [CrossRef]
  16. N. J. Baker, H. W. Lee, I. C. M. Littler, C. M. de Sterke, B. J. Eggleton, D. Y. Choi, S. Madden, and B. Luther-Davies, "Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides," Opt. Express 14, 9451-9459 (2006).
    [CrossRef] [PubMed]
  17. M. W. Lee, C. Grillet, C. L. C. Smith, D. J. Moss, B. J. Eggleton, D. Freeman, B. Luther-Davies, S. Madden, A. Rode, Y. L. Ruan, and Y. H. Lee, "Photosensitive post tuning of chalcogenide photonic crystal waveguides," Opt. Express 15, 1277-1285 (2007).
    [CrossRef] [PubMed]
  18. S. Tomljenovic-Hanic, M. J. Steel, C. M. de Sterke, and D. J. Moss, "High-Q cavities in photosensitive photonic crystals," Opt. Lett. 32, 542-544 (2007).
    [CrossRef] [PubMed]

2007

2006

2004

Y. L. Ruan, W. T. Li, R. Jarvis, N. Madsen, A. Rode, and B. Luther-Davies, "Fabrication and characterization of low loss rib chalcogenide waveguides made by dry etching," Opt. Express 12, 5140-5145 (2004).
[CrossRef] [PubMed]

T. K. Liang, and H. K. Tsang, "Nonlinear absorption and Raman scattering in silicon-on-insulator optical waveguides," IEEE J. Sel. Top. Quantum. 10, 1149-1153 (2004).
[CrossRef]

2003

2002

C. J. McKinstrie, S. Radic, and A. R. Chraplyvy, "Parametric amplifiers driven by two pump waves," IEEE J. Sel. Top. Quantum. 8, 538-547 (2002).
[CrossRef]

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

1999

1995

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

Agrawal, G. P.

Asghari, M.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Asobe, M.

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

Baker, N.

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

Baker, N. J.

Choi, D.

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

Choi, D. Y.

M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
[CrossRef]

N. J. Baker, H. W. Lee, I. C. M. Littler, C. M. de Sterke, B. J. Eggleton, D. Y. Choi, S. Madden, and B. Luther-Davies, "Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides," Opt. Express 14, 9451-9459 (2006).
[CrossRef] [PubMed]

Chraplyvy, A. R.

C. J. McKinstrie, S. Radic, and A. R. Chraplyvy, "Parametric amplifiers driven by two pump waves," IEEE J. Sel. Top. Quantum. 8, 538-547 (2002).
[CrossRef]

Day, I. E.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

de Sterke, C. M.

Drake, J.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Eggleton, B. J.

Fauchet, P. M.

Finsterbusch, K.

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

Foster, M. A.

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
[CrossRef] [PubMed]

Freeman, D.

Gaeta, A. L.

A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
[CrossRef] [PubMed]

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

Galstyan, T. V.

Grillet, C.

Harpin, A.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Ho, N.

Itoh, H.

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

Jarvis, R.

Kaino, T.

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

Kanamori, T.

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

Lamont, M. R. E.

M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
[CrossRef]

Laniel, J. M.

LaRochelle, S.

Lee, H. W.

Lee, M. W.

Lee, Y. H.

Li, W. T.

Liang, T. K.

T. K. Liang, and H. K. Tsang, "Nonlinear absorption and Raman scattering in silicon-on-insulator optical waveguides," IEEE J. Sel. Top. Quantum. 10, 1149-1153 (2004).
[CrossRef]

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Lin, Q.

Lipson, M.

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
[CrossRef] [PubMed]

Littler, I. C. M.

Luther-Davies, B.

Luther-Davis, B.

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

Madden, S.

M. W. Lee, C. Grillet, C. L. C. Smith, D. J. Moss, B. J. Eggleton, D. Freeman, B. Luther-Davies, S. Madden, A. Rode, Y. L. Ruan, and Y. H. Lee, "Photosensitive post tuning of chalcogenide photonic crystal waveguides," Opt. Express 15, 1277-1285 (2007).
[CrossRef] [PubMed]

M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
[CrossRef]

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

N. J. Baker, H. W. Lee, I. C. M. Littler, C. M. de Sterke, B. J. Eggleton, D. Y. Choi, S. Madden, and B. Luther-Davies, "Sampled Bragg gratings in chalcogenide (As2S3) rib-waveguides," Opt. Express 14, 9451-9459 (2006).
[CrossRef] [PubMed]

Madsen, N.

Manolatou, C.

McKinstrie, C. J.

C. J. McKinstrie, S. Radic, and A. R. Chraplyvy, "Parametric amplifiers driven by two pump waves," IEEE J. Sel. Top. Quantum. 8, 538-547 (2002).
[CrossRef]

Moss, D. J.

Naganuma, K.

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

Pelusi, M. D.

M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
[CrossRef]

Radic, S.

C. J. McKinstrie, S. Radic, and A. R. Chraplyvy, "Parametric amplifiers driven by two pump waves," IEEE J. Sel. Top. Quantum. 8, 538-547 (2002).
[CrossRef]

Richardson, K.

Roberts, S. W.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Rode, A.

Ruan, Y. L.

Saliminia, A.

Schmidt, B. S.

A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
[CrossRef] [PubMed]

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

Sharping, J. E.

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
[CrossRef] [PubMed]

Shokooh-Saremi, M.

Smith, C. L. C.

Steel, M. J.

Ta’eed, V. G.

M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
[CrossRef]

Ta'eed, V. G.

M. Shokooh-Saremi, V. G. Ta'eed, N. J. Baker, I. C. M. Littler, D. J. Moss, B. J. Eggleton, Y. L. Ruan, and B. Luther-Davies, "High-performance Bragg gratings in chalcogenide rib waveguides written with a modified Sagnac interferometer," J. Opt. Soc. Am. B 23, 1323-1331 (2006).
[CrossRef]

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

Tomljenovic-Hanic, S.

Tsang, H. K.

T. K. Liang, and H. K. Tsang, "Nonlinear absorption and Raman scattering in silicon-on-insulator optical waveguides," IEEE J. Sel. Top. Quantum. 10, 1149-1153 (2004).
[CrossRef]

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Turner, A. C.

A. C. Turner, C. Manolatou, B. S. Schmidt, M. Lipson, M. A. Foster, J. E. Sharping, and A. L. Gaeta, "Tailored anomalous group-velocity dispersion in silicon channel waveguides," Opt. Express 14, 4357-4362 (2006).
[CrossRef] [PubMed]

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

Vallee, R.

Villeneuve, A.

Wong, C. S.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Zhang, J. D.

Appl. Phys. Lett.

H. K. Tsang, C. S. Wong, T. K. Liang, I. E. Day, S. W. Roberts, A. Harpin, J. Drake, and M. Asghari, "Optical dispersion, two-photon absorption and self-phase modulation in silicon waveguides at 1.5 μm wavelength," Appl. Phys. Lett. 80, 416-418 (2002).
[CrossRef]

Electron. Lett.

K. Finsterbusch, N. Baker, V. G. Ta'eed, B. J. Eggleton, D. Choi, S. Madden, and B. Luther-Davis, "Long-period gratings in chalcogenide (As2S3) rib waveguides," Electron. Lett. 42, 1094-1095 (2006).
[CrossRef]

IEEE J. Sel. Top. Quantum.

C. J. McKinstrie, S. Radic, and A. R. Chraplyvy, "Parametric amplifiers driven by two pump waves," IEEE J. Sel. Top. Quantum. 8, 538-547 (2002).
[CrossRef]

T. K. Liang, and H. K. Tsang, "Nonlinear absorption and Raman scattering in silicon-on-insulator optical waveguides," IEEE J. Sel. Top. Quantum. 10, 1149-1153 (2004).
[CrossRef]

IEEE Photon. Technol. Lett.

M. D. Pelusi, V. G. Ta’eed, M. R. E. Lamont, S. Madden, D. Y. Choi, B. Luther-Davies, and B. J. Eggleton, "Ultra-high nonlinear As2S3 planar waveguide for 160 Gbs optical time-division demultiplexing by four-wave mixing," IEEE Photon. Technol. Lett.submitted (2007).
[CrossRef]

J. Appl. Phys.

M. Asobe, T. Kanamori, K. Naganuma, H. Itoh, and T. Kaino, "Third-Order Nonlinear Spectroscopy in As2S3 Chalcogenide Glass-Fibers," J. Appl. Phys. 77, 5518-5523 (1995).
[CrossRef]

J. Lightwave Technol.

J. Opt. Soc. Am. B

Nature

M. A. Foster, A. C. Turner, J. E. Sharping, B. S. Schmidt, M. Lipson, and A. L. Gaeta, "Broad-band optical parametric gain on a silicon photonic chip," Nature 441, 960-963 (2006).
[CrossRef] [PubMed]

Opt. Express

Opt. Lett.

Other

S. Madden, Laser Physics Centre, RSPhysSE, The Australian National University, Canberra, ACT 0200, Australia, email: sjm111@rsphy1.anu.edu.au (personal communication, 2007).

G. P. Agrawal, Nonlinear Fiber Optics (Academic Press, San Diego, California, 2001), Chap. 10.

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Figures (6)

Fig. 1.
Fig. 1.

Modelled structure of an As2S3 ridge waveguide.

Fig. 2.
Fig. 2.

GVD curves for (a) quasi-TE and (b) quasi-TM modes of the waveguide shown in Fig. 1 with varying cross sectional areas, keeping the aspect ratio (height:width) to 1:2. The mode fields for the 2 µm2 waveguide are inset. The material dispersion of As2S3 is shown for reference (black, dashed).

Fig. 3.
Fig. 3.

Device performance of the 10 cm long dispersion engineered As2S3 waveguide with a pump intensity of 0.6 GW/cm2. (a) Signal amplification and (b) wavelength conversion efficiency is shown as a function of signal wavelength when the pump wavelengths (dashed lines) are the ZDWL (1556 nm, blue), in the anomalous dispersion regime (1576 nm, β2=+0.020 ps2/m, green), and in the normal dispersion regime (1536 nm, β2=-0.020 ps2/m, red).

Fig. 4.
Fig. 4.

Comparison of signal gain of dispersion-engineered As2S3 and silicon waveguides. Both devices have a length of 3 cm and a pump intensity of 0.6 GW/cm2, corresponding to the same peak signal gain of ~11 dB.

Fig. 5.
Fig. 5.

Comparison of maximum signal gain of dispersion-engineered As2S3 and silicon waveguides as a function of device length for increasing pump intensity.

Fig. 6.
Fig. 6.

Effect of increasing the refractive index, n. Dispersive characteristics of 2 µm2 and 0.85 µm2 (mode field inset) cross sectional area waveguides with (dashed) and without (solid) a 1% increase in n. Dashed vertical lines indicate initial ZDWLs.

Tables (1)

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Table 1. Relevant parameters for As2S3 and Si dispersion engineered waveguides

Equations (2)

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Δ k = k s + k i 2 k p + 2 γ P p
= ( n s ω s + n i ω i 2 n p ω p ) c + 2 γ P p = 0

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