Edwin Jan Klein - Universiteit Twente

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Chapter 7 the large peak in the response measured for this configuration. A comparison with the response of the second configuration shows that the “on” / “off” switch ratio that can be obtained for this router is ≈15 dB. The ∆λFWHM of the dropped channel is 0.22 nm (=37 GHz @1310 nm). Normalized drop power (dB) 0 -5 -10 -15 -20 -25 1306 1308 1310 1312 1314 1316 1318 Wavelength (nm) Figure 7.34. Switching of a single channel in the router. 180 All Off MR1 On MR1 and MR2 On Following these measurements the router was pigtailed, wirebonded and packaged in a compact box as shown in Figure 7.35. This box contained all necessary hardware to drive control the router via USB. Figure 7.35. The 1300 nm router packaged in a compact box. After packaging all heaters on the router could be driven on more complex switching measurements could be performed. Unfortunately, however, some heaters were damaged in the initial router tests. In addition, the high power output of the broadband source damaged the glue after prolonged measurements, resulting in a drop in the
Densely integrated devices for WDM-PON measured power of more than 15 dB. The preliminary measurement results shown in Figure 7.36 that show the switching of two or three channels to the first drop port of the router are therefore quite noisy. Nonetheless, these measurements do show the powerfull capability of the router to select and switch multiple channels to a certain output channel. Normalized Drop (dB) 0 -2 -4 -6 -8 -10 -12 -14 -16 3 channels dropped 2 channels dropped 1304 1306 1308 1310 1312 1314 1316 Wavelength (nm) Figure 7.36. Output spectra measured at the first drop port of the router showing the dropping of 2 and 3 channels. 181
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DENSELY INTEGRATED MICRORING- RESON
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DENSELY INTEGRATED MICRORING- RESON
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To my parents…
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esonators is limited by the spacing
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iv Samenvatting Dit proefschrift be
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schakelaar “aan” is, dan is de
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3.6.2 Overlap loss reduction.......
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Chapter 1 Introduction The devices
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1.2 Broadband to the home 3 Introdu
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1.3 Bringing Fiber to the Home 5 In
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Figure 1.5. The technological scope
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9 Introduction these basic paramete
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Chapter 2 2.1 Introduction Integrat
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Chapter 2 light Icav2 in the cavity
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Chapter 2 ∆ = ⎛ β r − β g
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Chapter 2 2.3.3 Combined model The
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Chapter 2 FC 4µ 1µ 2 ⋅ χr = 2
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Chapter 2 P Through /P In (dB) 0 -1
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Chapter 2 The figure shows that it
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Chapter 2 In − jϕr1 2 Figure 2.1
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Chapter 2 differences between the f
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Chapter 2 M = ⋅ FSR = N ⋅ FSR F
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Chapter 2 the heat will therefore f
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Chapter 2 index. Although this can
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Chapter 2 resonators for instance h
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Chapter 2 a rather complex MEMS bas
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Chapter 3 3.1 Introduction The most
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Chapter 3 3.2.1 Drop port on-resona
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Chapter 3 3.2.3 Filter bandwidth In
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Chapter 3 (resulting in a higher ba
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Chapter 3 Figure 3.11. Residual cha
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Chapter 3 3.3 Geometrical design ch
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Chapter 3 resonator and the port wa
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Chapter 3 Another important fact wh
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Chapter 3 The flowchart of the desi
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Chapter 3 While the resonator in th
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Chapter 3 3.6.1 Port waveguide and
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Chapter 3 overlap losses are only 0
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Chapter 3 3.7 Component design cons
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Chapter 3 By maximizing the power t
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Chapter 3 important, due to the fac
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Chapter 4 4.1 Introduction As was s
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Chapter 4 4.2.1 Transient response
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Chapter 4 Under the condition that
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Chapter 4 Figure 4.4. Screenshot of
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Chapter 4 The equations required to
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Chapter 4 using an approach based o
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Chapter 4 4.5.1 Architecture The Au
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Chapter 4 4.5.2 Simulation method A
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Chapter 4 Figure 4.9. A Primitive w
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Chapter 4 Listing 4.3. Pseudo code
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Chapter 4 Listing 4.4. Pseudo code
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Chapter 4 simulated output spectra
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Chapter 4 Figure 4.21. The reflecto
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Chapter 4 P Drop /P In (dB) 0 -10 -
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Chapter 4 Figure 4.27a. OADM with r
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Chapter 4 will propagate through th
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Chapter 4 As demonstrated by these
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Chapter 4 What is more interesting
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Chapter 4 method it does allow time
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Chapter 4 complex than the interact
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Chapter 5 5.1 Introduction The mate
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Chapter 5 wafer is used (step 1). T
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Chapter 5 range of 0.9 to 1.1 µm.
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Chapter 5 The process flow with the
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Chapter 5 5.3.3 Mask layout The big
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Chapter 5 5.4. Fabrication and mask
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Chapter 5 1. Definition of the vert
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Chapter 5 5.4.2 Fabrication The fab
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Chapter 5 Figure 5.21. Process flow
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Chapter 5 removed using lift-off of
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Page 148 and 149: Chapter 6 In early, comparatively s
Page 150 and 151: Chapter 6 that the TEOS has a very
Page 152 and 153: Chapter 6 The most important aspect
Page 154 and 155: Chapter 6 6.2.3 Chromium heater des
Page 156 and 157: Chapter 6 Therefore, even if the si
Page 158 and 159: Chapter 6 Next, the heater was heat
Page 160 and 161: Chapter 6 6.3 Characterization of s
Page 162 and 163: Chapter 6 polarization maintaining
Page 164 and 165: Chapter 6 the resonators in this gr
Page 166 and 167: Chapter 6 Although the fitted coupl
Page 168 and 169: Chapter 6 a cladding thickness of 3
Page 170 and 171: Chapter 6 6.4 A wavelength selectiv
Page 172 and 173: Chapter 6 A possible explanation fo
Page 175 and 176: Chapter 7 Densely integrated device
Page 177 and 178: Densely integrated devices for WDM-
Page 183 and 184: 7.2.2 Spectral measurements Densely
Page 189 and 190: Power Densely integrated devices fo
Page 191 and 192: 7.3.4 Characterization Densely inte
Page 195: Figure 7.31a. Eye pattern of the re
Page 200 and 201: Chapter 8 8.1 Introduction In most
Page 202 and 203: Chapter 8 amount of power will be d
Page 204 and 205: Chapter 8 Another problem that may
Page 206 and 207: Chapter 8 halves that are each comp
Page 209 and 210: Chapter 9 Discussion and Conclusion
Page 211 and 212: Appendix A. Mason’s rule Several
Page 213 and 214: Appendix B. Crosstalk Derivation Th
Page 215 and 216: List of Acronyms ADSL - Asymmetric
Page 217 and 218: List of Symbols Q - Quality Factor
Page 219 and 220: Bibliography [1] Dan Schiller, “E
Page 221 and 222: Regions,” IEEE Photonics Technolo
Page 223 and 224: [66] B. E. Little, S. T. Chu, J. V.
Page 225 and 226: [97] H. Haeiwa, T. Naganawa and Y.
Page 227 and 228: [135] A. Driessen, D. H. Geuzebroek
Page 229 and 230: [165] T. Barwicz, M. R. Watts, M. A
Page 231 and 232: Publication List Patents (pending)
Page 233 and 234: R. Dekker, L.T.H.Hilderink, M.B.J.
Page 235 and 236: Networks (BB Photonics),” Interna
Page 237 and 238: Dankwoord/Acknowledgements Zo, dit
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Edwin Jan Klein - Universiteit Twente

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