Page 11 - Fiber Bragg Gratings
P. 11
x Contents
6.4.1 Optical add-drop multiplexers based on the
GMZI-BPF 263
6.5 The optical circulator based OADM 265
6.5.1 Reconfigurable OADM 270
6.6 The polarizing beam splitter band-pass filter 272
6.7 In-coupler Bragg grating filters 276
6.7.1 Bragg reflecting coupler OADM 278
6.7.2 Grating-frustrated coupler 284
6.8 Side-tap and long-period grating band-pass filters 288
6.9 Polarization rocking band-pass filter 293
6.10 Mode converters 297
6.10.1 Guided-mode intermodal couplers 297
References 300
Chapter 7 Chirped Fiber Bragg Gratings 311
7.1 General characteristics of chirped gratings 312
7.2 Chirped and step-chirped gratings 317
7.2.1 Effect of apodization 324
7.2.2 Effect of nonuniform refractive index
modulation on grating period 330
7.3 Super-step-chirped gratings 332
7.4 Polarization mode dispersion in chirped gratings 336
7.5 Systems measurements with DCGs 339
7.5.1 Systems simulations and chirped grating
performance 342
7.6 Other applications of chirped gratings 346
References 347
Chapter 8 Fiber Grating Lasers and Amplifiers 355
8.1 Fiber grating semiconductor lasers: The FGSL 355
8.2 Static and dynamic properties of FGLs 362
8.2.1 Modeling of external cavity lasers 366
8.2.2 General comments on FGLs 369
8.3 The fiber Bragg grating rare-earth-doped fiber laser 370
8.4 Erbium-doped fiber lasers 372
8.4.1 Single-frequency erbium-doped fiber lasers 374
8.5 The distributed feedback fiber laser 377
8.5.1 Multifrequency sources 379
8.5.2 Tunable single-frequency sources 380