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Spatial Solitons

Soliton topics

More to come: see 'Publications on Solitons' below for further details.

Helmholtz Kerr bright solitons

Helmholtz Kerr bright soliton

Soliton computational techniques

Soliton computational techniques

Optical vortex solitons

Optical vortex solitons

Cavity solitons and soliton switching

Spatial solitons switching

Publications on Solitons

For a more complete set of downloads, please see our Fuller Publication List.

139. EA McCoy, JM Christian and GS McDonald, Oblique Propagation of Spatial Solitons in Patterned Optical Structures, Third Annual Student Conference on Complexity Sciences (SCCS), Oxford Brookes, UK, 14-17 Aug, 2013

138. EA McCoy, JM Christian and GS McDonald, Optical Soliton Refraction & Goos-Hanchen Shifts at Interfaces with ¿(5) Susceptibility, Third Annual Student Conference on Complexity Sciences (SCCS), Oxford Brookes, UK, 14-17 Aug, 2013

137. EA McCoy, JM Christian, GS McDonald, J Sanchez-Curto and P. Chamorro-Posada, Refraction and Goos-Hanchen Shifts of Spatial Solitons at Cubic-Quintic Interfaces, Optical Society of America, Nonlinear Optics 2013, Hawaii, USA, 21-26 July, 2013

136. JM Christian, GS McDonald, JT Ashley and P. Chamorro-Posada, Spatiotemporal Vector Solitons in Dispersive Systems with Kerr Nonlinearity, Optical Society of America, Nonlinear Optics 2013, Hawaii, USA, 21-26 July, 2013

135. C Bostock, JM Christian and GS McDonald, Spontaneous Spatial Fractal Patterns: Towards Nonparaxial Nonlinear Ring Cavities, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

134. DW Bresnahan, JM Christian and GS McDonald, The Spatiotemporal Ginzburg-Landau Equation: Dissipative Solitons & Stability, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

133. EA McCoy, JM Christian and GS McDonald, Refraction at Interfaces with ¿(5) Nonlinearity: Snell's Law & Goos-Hanchen Shifts, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

132. JM Christian, EA McCoy and GS McDonald, Coupled-Waveguide Arrays: Oblique Injection & Soliton Propagation, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

131. JT Ashley, JM Christian and GS McDonald, Coupled Spatiotemporal Waves: New Paradigms in Vector Soliton Physics, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

130. R Cowey, JM Christian and GS McDonald, Dark & Anti-Dark Spatiotemporal Solitons: from Cubic to Cubic-Quintic Systems, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

129. RF Yates, JM Christian, EA McCoy and GS McDonald, Algebraic Soliton Refraction: New Wave Contexts for Nonlinear Snell's Law, Science & Technology College Research Showcase Day, University of Salford, UK, 19 June, 2013

128. C Bostock, JM Christian and GS McDonald, Vector Spatial Solitons Beyond the Slowly-Varying Envelope Approximation, SPARC 2013 conference, University of Salford, UK, 5-6 June, 2013

127. EA McCoy, JM Christian and GS McDonald, Giant Goos-Hanchen Shifts and Soliton Refraction in Systems With ¿5 Susceptibility, SPARC 2013 conference, University of Salford, UK, 5-6 June, 2013

126. EA McCoy, JM Christian and GS McDonald, Helmholtz Surface Wave Propagation Along Nonlinear Interfaces, SPARC 2013 conference, University of Salford, UK, 5-6 June, 2013

125. R Cowey, JM Christian and GS McDonald, Spatiotemporal Dark and Anti-Dark Solitons in Cubic-Quintic Photonic Systems, SPARC 2013 conference, University of Salford, UK, 5-6 June, 2013

124. R Cowey, JM Christian and GS McDonald, The Spatiotemporal Wave Equation with a Dual Power-Law Nonlinearity, SPARC 2013 conference, University of Salford, UK, 5-6 June, 2013

123. JM Christian, EA McCoy, GS McDonald, J Sanchez-Curto and P. Chamorro-Posada, Nonparaxial Soliton Refraction at Optical Interfaces with ¿(3) and ¿(5) Susceptibilities, CLEO Europe & IQEC 2013, Conference on Lasers and Electro-optics, International Quantum Electronics Conference (IQEC), Munich, Germany, 12-16 May, 2013

122. JM Christian, GS McDonald, TF Hodgkinson and P Chamorro-Posada, Wave envelopes with second-order spatiotemporal dispersion. I. Bright Kerr solitons and cnoidal waves, PHYSICAL REVIEW A, v86, iss 2, art no 023838, 2012

121. JM Christian, GS McDonald, TF Hodgkinson and P Chamorro-Posada, Wave envelopes with second-order spatiotemporal dispersion. II. Modulational instabilities and dark Kerr solitons, PHYSICAL REVIEW A, v86, iss 2, art no 023839, 2012

120. P Chamorro-Posada and GS McDonald, Time domain analysis of Helmholtz soliton propagation Using the TLM method, JOURNAL OF NONLINEAR OPTICAL PHYSICS AND MATERIALS, v21, no 3, art no 1250031, 2012

119. JM Christian, EA McCoy, GS McDonald, J Sanchez-Curto and P Chamorro-Posada, Helmholtz bright spatial solitons and surface waves at power-law optical interfaces, JOURNAL OF ATOMIC, MOLECULAR AND OPTICAL PHYSICS, v2012, art no 137967, 2012

118. JM Christian, GS McDonald, EA McCoy, J Sanchez-Curto and P Chamorro-Posada, Nonparaxial refraction laws in optics: from non-Kerr interfaces to waveguide arrays, European Optical Society Annual Meeting, EOSAM 2012, Aberdeen, UK, 25-28 Sept, 2012

117. MJ Lundie, JM Christian, GS McDonald and P Chamorro-Posada, Helmholtz dark spatial optical solitons for a defocusing saturable nonlinearity, European Optical Society Annual Meeting, EOSAM 2012, Aberdeen, UK, 25-28 Sept, 2012

116. R Cowey, G Lancaster, JM Christian and GS McDonald, Spatial dispersion and spatiotemporal solitons in cubic-quintic optical waveguides, European Optical Society Annual Meeting, EOSAM 2012, Aberdeen, UK, 25-28 Sept, 2012

115. C Bostock, JM Christian and GS McDonald, Two-colour spatial optical solitons: new stability analyses for off-axis propagation, National Photonics Conference, Photon 12, Durham, UK, 3-6 Sept, 2012

114. EA McCoy, JM Christian, GS McDonald, J Sanchez-Curto and P Chamorro-Posada, Nonparaxial refraction laws for spatial solitons at cubic-quintic material interfaces, National Photonics Conference, Photon 12, Durham, UK, 3-6 Sept, 2012

113. JM Christian, EA McCoy, GS McDonald, J Sanchez-Curto and P Chamorro-Posada, Helmholtz spatial solitons and oblique propagation in coupled-waveguide arrays, National Photonics Conference, Photon 12, Durham, UK, 3-6 Sept, 2012

112. MJ Lundie, JM Christian, GS McDonald and P Chamorro-Posada, Helmholtz dark spatial solitons in waveguides with defocusing saturable materials, National Photonics Conference, Photon 12, Durham, UK, 3-6 Sept, 2012

111. EA McCoy, JM Christian and GS McDonald, Nonparaxial refraction and giant Goos-Hanchen shifts at nonlinear optical interfaces, Second Annual Student Conference on Complexity Science, Oxstalls Campus, University of Gloucestershire, Gloucester, UK, 9-12 Aug, 2012

110. C Bostock, JM Christian and GS McDonald, Instabilities and Helmholtz vector solitons in nonlinearly-coupled optical systems, Second Annual Student Conference on Complexity Science, Oxstalls Campus, University of Gloucestershire, Gloucester, UK,  9-12 Aug, 2012

109. EA McCoy, JM Christian and GS McDonald, Propagation properties of Helmholtz power-law nonlinear surface waves, Second Annual Student Conference on Complexity Science, Oxstalls Campus, University of Gloucestershire, Gloucester, UK, 9-12 Aug,  2012

108. EA McCoy, JM Christian & GS McDonald, Spatial solitons at optical interfaces: new angles, paradigms & horizons, Proceedings of the 3rd CSE Postgraduate Research Doctoral School Conference, University of Salford, UK, ISBN: 978-1-907842-38-2, 10-13, 2012.

107. EA McCoy, JM Christian & GS McDonald, Spatial solitons at interfaces: nonparaxial refraction & giant Goos-Hanchen shifts, Science & Technology College Research Showcase Day, University of Salford, UK, 20 June, 2012.

106. C Bostock, JM Christian & GS McDonald, Vector spatial solitons: off-axis nonparaxiality in coupled Helmholtz equations, Science & Technology College Research Showcase Day, University of Salford, UK, 20 June, 2012.

105. TM Walsh, GS McDonald & JM Christian, Helmholtz spatial solitons: towards a theory of ultranarrow optical beams, Science & Technology College Research Showcase Day, University of Salford, UK, 20 June, 2012.

104. MJ Lundie, GS McDonald & JM Christian, Helmholtz dark solitons: oblique propagation, saturable materials & bistability, Science & Technology College Research Showcase Day, University of Salford, UK, 20 June, 2012.

103. JM Christian, GS McDonald, & JG Huang, Instabilities & boundary conditions: fractal mode patterns in kaleidoscope lasers, Science & Technology College Research Showcase Day, University of Salford, UK, 20 June, 2012.

102. GS McDonald, JM Christian, TF Hodgkinson, R Cowey, & G Lancaster, Spatiotemporal pulse propagation: connections to special relativity theory, Science & Technology College Research Showcase Day, University of Salford, UK, 20 June, 2012.

101. C Bostock, JM Christian and GS McDonald, Stability of two-colour spatial solitons in Helmholtz vector beam models, SPARC 12 conference, University of Salford, UK, 30-31 May, 2012

100. EA McCoy, JM Christian and GS McDonald, Arbitrary-angle interaction of spatial solitons with layered photonic structures, SPARC 12 conference, University of Salford, UK, 30-31 May, 2012

99. P Chamorro-Posada, D Novoa, H Michinel, J Sanchez-Curto, FJ Diaz-Otero and GS McDonald, Boosting Soliton Propagation with Graphics Processing Units, Nonlinear Guided Waves VI, University of Santiago de Compostela, Santiago de Compostela, Spain, 7-9 May, 2012

98. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Helmholtz bright and black soliton splitting at nonlinear interfaces, PHYSICAL REVIEW A v85, Iss. 1, Art. No. 013836, 2012

97. JM Christian, GS McDonald, TF Hodgkinson and P Chamorro-Posada, Spatiotemporal Dispersion and Wave Envelopes with Relativistic and Pseudo-Relativistic Characteristics, PHYSICAL REVIEW LETTERS v108 no 3, Art. No. 034101, 2012

96. EA McCoy, JM Christian and GS McDonald, Nonlinear wave phenomena at optical boundaries: spatial soliton refraction, Proceedings of the 2nd CSE Postgraduate Research Doctoral School Conference, University of Salford, UK, ISBN: 978-1-907842-23-8, 33-35, 2011

95. C Bostock, JM Christian and GS McDonald, Two-colour optical fields: modulational instabilities and vector spatial solitons, Proceedings of the 2nd CSE Postgraduate Research Doctoral School Conference, University of Salford, UK, ISBN: 978-1-907842-23-8, 36-38, 2011

94. P Chamorro-Posada, J Sanchez-Curto and GS McDonald, Numerical investigations on nonlinear nonparaxial beam propagation using graphics processing units, EIEC 2011, 8th Iberian Meeting on Computational Electromagnetics, 2-4 Nov, Sesimbra, Lisbon, Portugal, 2011

93. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Giant Goos-Hanchen shifts and radiation-induced trapping of Helmholtz solitons at nonlinear interfaces, OPTICS LETTERS v36, No. 18, 3605-3607, 2011

92. C Bostock, JM Christian and GS McDonald, Spatial solitons and instabilities in two-colour Helmholtz light fields, First Annual Student Conference on Complexity Science, Winchester University, UK, 4-7 Aug, 2011

91. EA McCoy, JM Christian and GS McDonald, Scattering of Helmholtz spatial optical solitons at material interfaces, First Annual Student Conference on Complexity Science, Winchester University, UK, 4-7 Aug, 2011

90. MJ Lundie, G Lancaster, TF Hodgkinson, JM Christian, GS McDonald and P Chamorro-Posada, Pulses with Relativistic and Pseudo-Relativistic Aspirations, Waves 2011 - 10th International Conference on Mathematical and Numerical Aspects of Waves, 25-29 July, Vancouver, Canada, 2011

89. JM Christian, GS McDonald, C Bostock, EA McCoy, J Sanchez-Curto and P Chamorro-Posada, A Universal Nonparaxial Refraction Law for Spatial Solitons, Waves 2011 - 10th International Conference on Mathematical and Numerical Aspects of Waves, 25-29 July, Vancouver, Canada, 2011

88. EA McCoy, JM Christian and GS McDonald, Spatial Soliton Refraction at Cubic-Quintic Material Interfaces, SPARC 11 conference, University of Salford, UK, 08-09 June 2011

87. C Bostock, JM Christian and GS McDonald, Families of Two-Colour Helmholtz Spatial Solitons, SPARC 11 conference, University of Salford, UK, 08-09 June 2011

86. P Chamorro-Posada, J Sanchez-Curto, JC Garcia-Escartin, FJ Diaz-Otero, P Martin-Ramos, J Martin-Gil, LM Navas-Gracia, FJ Fraile-Pelaez, GS McDonald and JM Christian, Research on Nonlinear and Quantum Optics at the Photonics and Quantum Information Group of the University of Valladolid, OPTICA PURA Y APLICADA, v44, Iss. No. 2, June, 211-217, 2011

85. G Lancaster, MJ Lundie, TF Hodgkinson, JM Christian and GS McDonald, Universality in Relativistic Aspirations of Helmholtz Soliton Pulses, CLEO Europe - EQEC 2011, 22-26 May, Munich, Germany, 2011

84. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Black and gray Helmholtz Kerr soliton refraction, PHYSICAL REVIEW A v83, Issue 1, Art. No. 013828, 2011

83. C Bostock, JM Christian and GS McDonald, A Helmholtz model for two-colour nonlinear light beams, 1st CSE Doctoral School Postgraduate Research Conference, University of Salford, 17 Nov 2010

82. EA McCoy, JM Christian, GS McDonald, J Sanchez-Curto and P Chamorro-Posada, Refraction law for self-collimated light beams at material interfaces, 1st CSE Doctoral School Postgraduate Research Conference, University of Salford, 17 Nov 2010

81. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Refraction of grey solitons at defocusing Kerr interfaces, 5th International Conference on Advanced Optoelectronics & Lasers, CAOL 2010, Sevastopol, Crimea, Ukraine, 10-14 Sept 2010

80. JM Christian, J Sanchez-Curto, P Chamorro-Posada, GS McDonald and EA McCoy, Refraction of power-law spatial solitons - the Helmholtz-Snell law, 5th International Conference on Advanced Optoelectronics & Lasers, CAOL 2010, Sevastopol, Crimea, Ukraine, 10-14 Sept 2010

79. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Black and grey soliton refraction at interfaces, National Photonics Conference, Photon 10, Southampton, UK, 23-36 Aug 2010

78. JM Christian, GS McDonald, TF Hodgkinson and P Chamorro-Posada, Optical pulses with spatial dispersion - exact solitons & relativity, National Photonics Conference, Photon 10, Southampton, UK, 23-36 Aug 2010

77. J Sanchez-Curto, P Chamorro-Posada, JM Christian, GS McDonald and EA McCoy, Universal Snell's law & bright spatial soliton refraction, National Photonics Conference, Photon 10, Southampton, UK, 23-36 Aug 2010

76. JM Christian, GS McDonald and P Chamorro-Posada, Bistable dark solitons of a cubic-quintic Helmholtz equation, PHYSICAL REVIEW A v81, Art. No. 053831, 2010

75. JM Christian, GS McDonald and P Chamorro-Posada, Helmholtz solitons in optical materials with a dual power-law refractive index, JOURNAL OF NONLINEAR OPTICAL PHYSICS & MATERIALS v19, Iss 3, 389-405, 2010.

74. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Dark solitons at nonlinear interfaces, OPTICS LETTERS v35, p1347, 2010

73. GS McDonald, JM Christian and TF Hodgkinson, Optical soliton pulses with relativistic characteristics, 5th International Conference on Advanced Optoelectronics & Lasers, CAOL 2010, Sevastopol, Crimea, Ukraine, Sept 2010 [ Invited Conference Paper ]

72. JM Christian, GS McDonald, J Sanchez-Curto and P Chamorro-Posada, Snell's Law for Nonlinear Beams, SEE Celebration of Research, meeting abstract & presentation, University of Salford, UK, 30 June 2010

71. GS McDonald, JM Christian and TF Hodgkinson, Relativistic Effects in Non-Relativistic Systems, SEE Celebration of Research, meeting abstract & presentation, University of Salford, UK, 30 June 2010

70. JM Christian, TF Hodgkinson, GS McDonald and P Chamorro-Posada, Helmholtz pulse propagation & spatially-dispersive light, Nonlinear Photonics, Conference Proceedings Paper, Karlsruhe, Germany, June 2010

69. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Dark Kerr soliton refraction at interfaces, Nonlinear Photonics, Conference Proceedings Paper, Karlsruhe, Germany, June 2010

68. JM Christian, GS McDonald, P Chamorro-Posada, Helmholtz algebraic solitons, J PHYS A: MATH & THEOR, v43, art no 085212, 2010

67. JM Christian, GS McDonald, P Chamorro-Posada, Bistable Helmholtz bright solitons in saturable materials, J OPT SOC AM B, v26, p2323, 2009

66. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Nonlinear interfaces: intrinsically nonparaxial regimes and effects, J OPT A: PURE & APPL OPT, v11, art no 054015, 2009

65. P Chamorro-Posada, J Sanchez-Curto, VE Grikurov, GS McDonald and JM Christian, Helmholtz solitons: Maxwell's equations, interfaces, bistability and counterpropagation, Proceedings of Days on Diffraction, St. Petersburg, Russia, 2008

64. JM Christian, GS McDonald and P Chamorro-Posada, Helmholtz solitons: fresh perspectives and new angles in photonics, Nat Phot Conf, Photon 08, Edinburgh, UK, Aug, 2008

63. J Sanchez-Curto, P Chamorro-Posada and GS McDonald, Nonlinear interfaces: intrinsically nonparaxial regimes and effects, Nat Phot Conf, Photon 08, Edinburgh, UK, Aug, 2008

62. P Chamorro-Posada and GS McDonald, TLM modeling of Helmholtz soliton propagation, Nat Phot Conf, Photon 08, Edinburgh, UK, Aug, 2008

61. P Chamorro-Posada, J Sanchez-Curto, GS McDonald and JM Christian, Soliton solutions of the nonlinear Helmholtz equation: propagation properties, interface effects and new families of exact solutions, Annual International Conference "Days on Diffraction" 2008, St. Petersburg, Russia, June 3-6, 2008

60. JM Christian, GS McDonald, P Chamorro-Posada, RJ Potton, (2007), Helmholtz Solitons in Power-Law Optical Materials , PHYSICAL REVIEW A 76, Art no 033834 (2007)

59. JM Christian, GS McDonald, P Chamorro-Posada, (2007), Bistable Helmholtz solitons in cubic-quintic materials , PHYSICAL REVIEW A 76, Art no 033833 (2007)

58. P Chamorro-Posada, J Sanchez-Curto, JM Christian, GS McDonald, (2007), Helmholtz Solitons: Maxwell equations, interface geometries and vector regimes , PROCEEDINGS SPIE (accepted for publication) 2007

57. JM Christian, GS McDonald, J Sanchez-Curto, P Chamorro-Posada, (2007), Helmholtz Solitons: A New Angle in Nonlinear Optics, Nonlinear Photonics, Conference Proceedings Paper JMD31, Quebec City, Canada, Sept 2007

56. JM Christian, GS McDonald, P Chamorro-Posada, (2007), Note on Helmholtz Bright and Boundary Solitons, J PHYS A: MATH & THEOR v40, p8601, 2007

55. J Sanchez-Curto, P Chamorro-Posada, GS McDonald, (2007), Snell's law for bright and dark Kerr solitons , CLEO/Intern Quant Electr Conf (IQEC), Munich, Germany, June, 2007

54. P Chamorro-Posada, J Sanchez-Curto, GS McDonald, JM Christian, (2007), Helmholtz Solitons: a new angle in nonlinear science , Nonlinear Evolution Equations & Dynamical Systems, L'Ametlla de Mar, Spain, June 15-24, 2007

53. J Sanchez-Curto, P Chamorro-Posada, GS McDonald, (2007), Helmholtz Solitons at Nonlinear Interfaces , OPTICS LETTERS, v32, p1126, 2007

52. JM Christian, GS McDonald, P Chamorro-Posada, (2007), Helmholtz Bright and Boundary Solitons , J PHYS A: MATH & THEOR v40, p1545, 2007

51. JM Christian, GS McDonald, P Chamorro-Posada, (2006), Korteweg-de Vries Description of Helmholtz-Kerr Dark Solitons , JOURNAL OF PHYSICS A: MATHEMATICAL AND GENERAL v39, 15355, 2006.

50. P Chamorro-Posada, GS McDonald, (2006), Spatial Kerr soliton collisions at arbitrary angles , PHYSICAL REVIEW E v74, Art no 036609, 2006.

49. JM Christian, GS McDonald, P Chamorro-Posada, (2006), Helmholtz-Manakov Solitons , PHYSICAL REVIEW E v74, 066612, 2006.

48. GS McDonald, JG Huang, JM Christian, SC Benbow, P Chamorro-Posada, J Sanchez-Curto, (2006), New horizons in non-linear optics: Helmholtz solitons, spatial fractals and attosecond pulses [ Session Contribution ], Photon06 Proceedings, Manchester, Sept 2006 [ Invited ].

47. J Sanchez-Curto, GS McDonald, P Chamorro-Posada, (2006), Helmholtz Solitons at Nonlinear Interfaces , Photon06, Manchester, Sept, 2006 [ Postdeadline Paper ] .

46. J Sanchez-Curto, P Chamorro-Posada, GS McDonald, (2005), Propagation of Helmholtz Solitons at Nonlinear Interfaces, Conference on Lasers and Electro-Optics (CLEO/QELS 2005) , May 22-27, Baltimore, USA.

45. P Chamorro-Posada, J Sanchez-Curto, JM Christian, GS McDonald, (2005), From Maxwell's Equations to New Families of Helmholtz Solitons , Intern Conf on Adv Optoelectr And Lasers, Alushta, Crimea, Ukraine, Sept, v2, p108-122, 2005 [ Invited ]

44. P Chamorro-Posada, J Sanchez-Curto, JM Christian, GS McDonald, (2005), From Maxwell's Equations to Helmholtz Solitons , Nonlinear Guided Waves & Their Applications, Dresden, Germany, Sept, 2005

43. J Sanchez-Curto, P Chamorro-Posada, GS McDonald, (2005), Helmholtz Solitons at Nonlinear Interfaces , CLEO/Europ Quant Electr Conf (EQEC), Munich, Germany, June, 2005

42. JM Christian, GS McDonald, P Chamorro-Posada, (2005), Helmholtz Solitons in Non-Kerr Media , CLEO/Europ Quant Electr Conf (EQEC), Munich, Germany, June, 2005

41. JM Christian, GS McDonald, P Chamorro-Posada, (2005), Helmholtz-Manakov Solitons , CLEO/Europ Quant Electr Conf (EQEC), Munich, Germany, June, 2005

40. JM Christian, GS McDonald, (2004),Light Guiding Light Guiding Light: A New Angle, SPARC 2004 Conference, Research & Graduate Collge, University of Salford, Session B3, 2004

39. GS McDonald, JM Christian, JG Huang, G Laughton, P Chamorro-Posada, J Sanchez-Curto, (2005), Broadband NLO: Fractals, White Light and Multiplexing , New Trends in Nonlinear Optics, Glasgow, UK, Feb 23, 2005

38. JM Christian, GS McDonald, P Chamorro-Posada, (2004), Helmholtz Solitons of Polynomial Nonlinearity , Nat Phot Conf, PHOTON 04, Glasgow, UK, Sept , 2004

37. P Chamorro-Posada, GS McDonald, (2004), Nonlinear Helmholtz Standing Waves and Soliton-Soliton Interactions , Nat Phot Conf, PHOTON 04, Glasgow, UK, Sept, 2004

36. J Sanchez-Curto, P Chamorro-Posada, GS McDonald, (2004), Reflection and Refraction of Helmholtz Solitons at Nonlinear Interfaces , Nat Phot Conf, PHOTON 04, Glasgow, UK, Sept, 2004

35. JM Christian, GS McDonald, P Chamorro-Posada, (2004), Helmholtz-Manakov Vector Solitons , Nat Phot Conf, PHOTON 04, Glasgow, UK, Sept, 2004

34. P Chamorro-Posada, GS McDonald, (2004), Exact Analytical Helmholtz Bright And Dark Solitons , PROCEEDINGS OF SPIE (SOCIETY OF PHOTO-OPTICAL INSTRUMENTATION ENGINEERS) v5582, p154, 2004

33. P Chamorro-Posada, GS McDonald, (2004), Interaction of Kerr Spatial Solitons at Arbitrary Angles , CLEO/Intern Quant Electr Conf, San Francisco, USA, May, 2004

32. P Chamorro-Posada, GS McDonald, (2004), Spatial Soliton Collisions at Arbitrary Angles [ Presentation ] , Nonlinear Guided Waves & Their Applications, Toronto, Canada, Mar, 2004

31. P Chamorro-Posada, GS McDonald, (2003), Exact Analytical Helmholtz Bright And Dark Solitons , LASER AND FIBER-OPTICAL NETWORK MODELING, LFNM, ISBN 0-7803-7709-5, p3-11, 2003

30. P Chamorro-Posada, GS McDonald, (2003), Exact Analytical Helmholtz Bright and Dark Solitons [ Presentation ] , Intern Conf on Adv Optoelectronics & Lasers, Alushta, Crimea, Ukraine, Sept, 2003 [ Invited ]

29. P Chamorro-Posada, GS McDonald, (2003), Helmholtz dark solitons , OPTICS LETTERS v28, p825, 2003

28. P Chamorro-Posada, GS McDonald, GHC New (2002), Nonparaxial Dark Solitons, Nonlinear Guided Waves & Their Applications, Stresa, Italy, Sept, 2002.

27. P Chamorro-Posada, GS McDonald, GHC New (2002), Exact soliton solutions of the nonlinear Helmholtz equation , JOURNAL OF THE OPTICAL SOCIETY OF AMERICA B v19, p1216, 2002

26. P Chamorro-Posada, GS McDonald, GHC New, (2001), Non-paraxial beam propagation methods , OPTICS COMMUNICATIONS v192, p1, 2001

25. P Chamorro-Posada, GS McDonald and GHC New, Propagation Properties of Nonparaxial Spatial Solitons, J Mod Opt 47 (2000) 1877.

24. P Chamorro-Posada, GS McDonald, GHC New and FJ Fraile-Pelaez, Fast Algorithm for Studying the Evolution of Optical Solitons under Perturbations, IEEE Trans Magnetics 35 (1999) 1558.

23. P Chamorro-Posada, GS McDonald and GHC New, Exact Analytical Nonparaxial Solitons (Invited), Solitons Workshop, Fourteenth National Quantum Electronics Conference, Manchester, UK, Sept 6-9, 1999.

22. P Chamorro-Posada, GS McDonald, GHC New, J Noon and S Chavez-Cerda, Fundamental Properties of (1+1)D and (2+1)D Nonparaxial Optical Solitons, [ Presentation Extracts (unpublished): Fermion-Like Solitons, 2D+1 Soliton Space Quantisation ], Fourteenth National Quantum Electronics Conference, Manchester,  UK, Sept 6-9, 1999.

21. P Chamorro-Posada, GS McDonald and GHC New, Nonparaxial Solitons, J Mod Opt 45 (1998) 1111.

20. P Chamorro-Posada, GS McDonald and GHC New, Exact Analytical Nonparaxial Optical Solitons, International Quantum Electronics Conference, San Francisco, USA, May 3-8, 1998.

19. P Chamorro-Posada, GS McDonald, GHC New and FJ Fraile-Pelaez, Fast Algorithm for Studying the Evolution of Optical Solitons under Perturbations, IEEE Conference on Electromagnetic Field Computation, Tuscon, USA, June 1-3, 1998.

18. P Chamorro-Posada, GS McDonald and GHC New, Nonparaxial Solitons: Accurate Numerical Methods and New Results (Invited), European Quantum Electronics Conference, Glasgow, UK, Sept 13-18, 1998.

17. GS McDonald et al, Nonparaxial Linear and Nonlinear Optics, Optics Section Research Report, Imperial College, 1997.

16. P Chamorro-Posada, GS McDonald and GHC New, Nonparaxial Solitons, Thirteenth National Quantum Electronics Conference, Cardiff, UK, Sept 8-11, 1997.

15. S Chavez-Cerda, GS McDonald, GHC New and J Noon, Nonparaxial Eigenmodes in Nonlinear Beam propagation, Twelfth National Quantum Electronics Conference, Southampton, UK, Sept 4-8, 1995.

14. AJ Scroggie, WJ Firth, GS McDonald, M Tlidi, R Lefever and LA Lugiato, Pattern Formation in a Passive Kerr Cavity, Chaos, Solitons and Fractals 4 (1994) 1323-1354.

13. GS McDonald et al, 3D and 4D Structures in Paraxial and Nonparaxial Nonlinear Optics, Study Centre on Nonlinear Optics and Guided Waves, Edinburgh, UK, Aug. 1-20, 1994.

12. GS McDonald et al, An Alternative Scheme for a Soliton Transmission System, Study Centre on Nonlinear Optics and Guided Waves, Edinburgh, UK, Aug. 1-20, 1994.

11. GS McDonald, Reports on Study Centre Investigation Topics: i) Optical Collapse in Cavities / NLS with Pumping and Dissipation, ii) Suppression of Gordon-Haus Jitter without Filters, iii) 4D (space-time) Structures in Paraxial and Nonparaxial Nonlinear Optics Study Centre on Nonlinear Optics and  Guided Waves, Edinburgh, UK, August 1-20, 1994.

10. GS McDonald, GHC New, LL Losev, AP Lutsenko and MJ Shaw, Ultrabroad Bandwidth Multi-frequency Raman Generation, European Quantum Electronics Conference, Amsterdam, The Netherlands, August 28 - Sept 2, 1994.

9. GS McDonald, KS Syed and WJ Firth, Dark Spatial Soliton Break-up in the Transverse Plane, Opt Commun 95 (1993) 281.

8. PE Langridge, GS McDonald, WJ Firth and S Wabnitz, Self-sustained Modelocking using Induced Nonlinear Birefringence in Optical Fibres, Opt Commun 97 (1993) 178.

7. GS McDonald and WJ Firth, Switching Dynamics of Spatial Solitary Wave Pixels, J Opt Soc Am B 10 (1993) 1081.

6. GS McDonald, KS Syed and WJ Firth, Dark Soliton Break-Up and Optical Vortices in the 3D Nonlinear Schrodinger Equation, International Quantum Electronics Conference, Vienna, Austria, June 14-19, 1992.

5. GS McDonald and WJ Firth, All-optical Switching in a Nonlinear Resonator, J Mod Opt 37 (1990) 613.

4. GS McDonald and WJ Firth, Pixel Dynamics in a Diffractively Coupled Bistable Array, Topical Meeting on Nonlinear Dynamics in Optical Systems, OSA, Afton, Oklahoma, USA, June 4-8, 1990.

3. GS McDonald and WJ Firth, Spatial Solitary Wave Optical Memory, J Opt Soc Am B 7 (1990) 1328.

2. GS McDonald, Spatial Solitary Wave Switching, Invited, Rank Prize Mini-Symposium on Nonlinear Optical Fibre Pulse Processing Grasmere, UK, Sept 10-13, 1990.

1. GS McDonald and WJ Firth, All-optical Switching in a Nonlinear Resonator National Quantum Electronics Conference, Oxford, UK, Sept 18-22, 1989.