Advanced Photonics with Second-Order Optically Nonlinear Processes

1. Front Matter

   Pages i-x

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2. Introduction to the Propagation of CW Radiation and Solitons in Quadratically Nonlinear Media

   • A. D. Boardman, P. Bontemps, K. Xie

   Pages 1-57

3. Plane and Guided Wave Effects and Devices Via Quadratic Cascading

   • Gaetano Assanto, Katia Gallo, Claudio Conti

   Pages 59-87

4. Control of Laser Light Parameters by χ(2):χ(2) Nonlinear Optical Devices

   • S. Saltiel, I. Buchvarov, K. Koynov

   Pages 89-112

5. Asymmetric Quantum Wells for Second-Order Optical Nonlinearities

   • J. M. Arnold

   Pages 113-132

6. Experiments on Quadratic Spatial Solitons

   • G. I. Stegeman, R. Schiek, R. Fuerst, Y. Baek, D. Baboiu, W. Torruellas et al.

   Pages 133-161

7. Diffraction Beam Interaction in Quadratic Nonlinear Media

   • A. P. Sukhorukov

   Pages 163-184

8. A Lithium Niobate Quadratic Device for Wavelength Multiplexing around 1.55µm

   • Katia Gallo, Gaetano Assanto, George I. Stegeman

   Pages 185-188

9. Full Vector Theory of Fundamental and Second-Harmonic CW Waves

   • P. Bontemps, A. D. Boardman

   Pages 189-192

10. Nonlinear Phase Shifts in a Counterpropagating Quasi-Phase-Matched Configuration

    • Gary D. Landry, Theresa A. Maldonado

    Pages 193-196

11. Generation of High Power Picosecond Pulses by Passively Mode-Locked Nd: Yag Laser Using Frequency Doubling Mirror

    • I. Ch. Buchvarov, P. N. Tzankov, V. Stoev, K. Demerdjiev, D. Shumov

    Pages 197-200

12. Collision, Fusion, and Spiralling of Interacting Solitons in a Bulk Quadratic Medium

    • V. V. Steblina, Y. S. Kivshar, A. V. Buryak

    Pages 201-204

13. Quadratic Ring-Shaped Solitary Waves

    • D. Neshev, M. Georgiev, A. Dreischuh, S. Dinev

    Pages 205-208

14. Solitary and Periodic Pulses for χ(2): Explicit Solutions in Abundance

    • D. F. Parker, E. N. Tsoy

    Pages 209-214

15. Propagation of Ring Dark Solitary Waves in Saturable Self-defocusing Media

    • E. D. Eugenieva, A. A. Dreischuh

    Pages 215-218

16. The N-Soliton Interactions, Complex Toda Chain and Stable Propagation of NLS Soliton Trains

    • V. S. Gerdjikov, E. G. Evstatiev, D. J. Kaup, G. L. Diankov, I. M. Uzunov

    Pages 219-226

17. Ray Optics Theory of Self-Matched Beams Mutual Focusing in Quadratic Nonlinear Media

    • A. P. Sukhorukov, Lu Xin

    Pages 227-230

18. Resonant Properties of χ2 in Two-Particle Frequency Regions

    • K. T. Stoychev

    Pages 231-234

19. On Parametric Coupled Solitons with High-Order Dispersion

    • A. A. Sukhorukov

    Pages 235-238

20. Large Self-Phase Modulation via Simultaneous Second Harmonic Generation and Sum Frequency Mixing

    • K. Koynov, S. Saltiel

    Pages 239-242

Although it took some time to establish the word, photonics is both widely accepted and used throughout the world and a major area of activity concerns nonlinear materials. In these the nonlinearity mainly arises from second-order or third-order nonlinear optical processes. A restriction is that second-order processes only occur in media that do not possess a centre of symmetry. Optical fibres, on the other hand, being made of silica glass, created by fusing SiO molecules, are made of material with a centre of z symmetry, so the bulk of all processes are governed by third-order nonlinearity. Indeed, optical fibre nonlinearities have been extensively studied for the last thirty years and can be truly hailed as a success story of nonlinear optics. In fact, the fabrication ofsuch fibres, and the exploitation oftheir nonlinearity, is in an advanced stage - not least being their capacity to sustain envelope solitons. What then ofsecond-order nonlinearity? This is also well-known for its connection to second-harmonic generation. It is an immediate concern, however, to understand how waves can mix and conserve both energy and momentum ofthe photons involved. The problem is that the wave vectors cannot be made to match without a great deal of effort, or at least some clever arrangement has to be made - a special geometry, or crystal arrangement. The whole business is called phase­ matching and an inspection ofthe state-of-the-art today, reveals the subject to be in an advanced state.

• Dispersion
• LED
• Laser
• Optics
• Transmission
• crystal
• diffraction
• photonics
• semiconductor

• Joule Laboratory, Department of Physics, University of Salford, Salford, UK

  A. D. Boardman

• Institute of Electronics, Bulgarian Academy of Sciences, Sofia, Bulgaria

  L. Pavlov

• Optiwave Corporation, Nepean, Canada

  S. Tanev

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