Optical properties of photonic crystals - New Jersey Institute of ...

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4 progress towards all-optical integrated circuits. Scientists have begun to propose and integrate photonic discoveries with integrated circuits, which resemble microscopic metropolises at micrometer length scales, with photonic crystal buildings that house bundles of light, and highways and bridges that guide light along narrow channels and around tight corners. The analogy between electromagnetic wave propagation in multidimensional periodic structures and electron wave propagation in real crystals has proven to be a fruitful one ¹º 1.1 Types of Photonic Crystals Photonic Crystals have been put through a number of processes in recent years and are used in a wide range of industries from optics to communications. Photonic crystals can be mainly classified under three groups: One Dimensional Photonic Crystals (1D Photonics), Two Dimensional Photonic Crystals (2D- Photonics) and Three Dimensional Photonic Crystals (3D Photonics) ¹º ¹º. 1.1.1 One Dimensional Photonic Crystals The Fig. 1.1 shown in the next page is a one-dimensional photonic crystal, which is similar to a Bragg Stack. If a wave packet is incident normal to this structure, i.e. perpendicular to the first flat face, the transmittance is as shown in Fig. 1.2. The normalized frequency used in all the spectra that follow, is the ratio of that particular frequency to the center frequency.
5 Figure 1.1 Structure of a One Dimensional Photonic Crystal 1 ¹º2 Figure 1.2 Transmittance Vs Normalized Frequency for a few layers of the crystal¹²
Page 1 and 2: Copyright Warning & Restrictions Th
Page 3 and 4: ABSTRACT BAND -GAP CHARACTERISTICS
Page 6 and 7: APPROVAL PAGE OPTICAL PROPERTIES OF
Page 8 and 9: This Thesis is dedicated to my fami
Page 10 and 11: TABLE OF CONTENTS Chapter Page 1 IN
Page 12 and 13: TABLE OF CONTENTS (Continued) Chapt
Page 14 and 15: LIST OF FIGURES Figure Page 1.1 Str
Page 16 and 17: LIST OF FIGURES (Continued) Figure
Page 18 and 19: 2 The friction between the photonic
Page 22 and 23: As can be seen in Figure 1.2, with
Page 24 and 25: 8 1.1.2 Two Dimensional Photonic Cr
Page 26 and 27: 10 future. They may provide a novel
Page 28 and 29: CHAPTER 2 BACKGROUND AND SIGNIFICAN
Page 30 and 31: 14 transfer and computing. Applicat
Page 32 and 33: 16 Chigrin and Lavrinenko in collab
Page 34 and 35: 18 component of the wave vector rem
Page 36 and 37: 20 2.2.1 Transfer Matrix Method The
Page 38 and 39: Figure 2-3 Structure of a 2D photon
Page 40 and 41: 24 enhancing the efficiency of lase
Page 42 and 43: 26 Figure 2-6 A perfect waveguide i
Page 44 and 45: CHAPTER 3 FUNDAMENTALS OF OPTICAL P
Page 46 and 47: 30 the square of its amplitude--i.e
Page 48 and 49: 32 3.2 Control of Properties of Mat
Page 50 and 51: 34 Figure 3.3 Spontaneous-emission
Page 52 and 53: 36 current it generated. But the fi
Page 54 and 55: 38 be used in a solar cell, generat
Page 56 and 57: 40 4.1.3 Spectral Range The spectra
Page 58 and 59: 42 beyond the scope of MultiRad. Th
Page 60 and 61: 44 c. It considers only Silicon as
Page 62 and 63: Figure 5.1 Schematic of bench top e
Page 64 and 65: 48 radiative properties of interest
Page 66 and 67: 50 The final structure of the 3D cr
Page 68 and 69: 52 The wafers are then planarized b
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54 Fig 6.2 Block diagram showing di
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56 decreases to a minimum in a cert
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58 only be carried in one dimension
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Figure 6.9 Simulated transmission t
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62 Fig 6.10 Transmission spectra fo
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64 Figure 6.11(b) Transmission spec
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66 As can be seen from the above ta
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Fig 6.14 Simulated reflectance spec
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Fig 6.16 Simulated transmittance sp
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72 7.2 Recommendations Much of the
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1.4 54.9 58.3 44.6 64.1 1.5 62.4 70
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11.2 60.3 64 53.8 48.2 11.3 59.7 62
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APPENDIX A2 RAW DATA This appendix
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APPENDIX A2 (CONTINUED) 80 0.232 5.
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APPENDIX A2 (CONTINUED) 8Z 0.221 2.
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BIBLIOGRAPHY [1] E. Yablonovitch, "
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96 [25] G. E. Jellison, F. A. Modin
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