Advances in Optical and Photonic Devices 2011 Part 2 pptx
Advances in Optical and Photonic Devices 2011 Part 2 pptx
... 18um, I=15uAPQR emissionLED emission 25 A/cm 2 50A/cm 2 100A/cm 2 25A/cm 2 50A/cm 2 100A/cm 2 12- petals, Ith =28 uA11A/cm 2 T=100% 25 A/cm 2 50A/cm 2 100A/cm 2 T=1.0% T=1.0% T=1.0%T=1.0% T=1.0% ... (January 20 09) 30- 32 Advances in Optical and Photonic Devices 20 Van der Poel, M.; Mork, J.; Somers, A.; Forchel, A.; Reithmaier, J. P. & Eisenstein, G. (20 06). Ultrafast gain and index ... I=15uAPQR emissionLED emission 25 A/cm 2 50A/cm 2 100A/cm 2 25A/cm 2 50A/cm 2 100A/cm 2 12- petals, Ith =28 uA11A/cm 2 T=100% Fig. 21 . Various emission patterns of 4-, 8-, 12- petal flower PQRs As...
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Advances in Optical and Photonic Devices 2011 Part 4 pptx
... composed of 34.5 InGaAlAs-InAlAs pairs. The bottom mirror is comprised of 2. 5 pairs of CaF2-Si with Au-coating. The gold coating, apart from serving as a Advances in Optical and Photonic Devices ... under different injection powers and varying detuning frequencies. Advances in Optical and Photonic Devices 68 2. Emergence of Vertical-Cavity Lasers 2. 1 Historical background and motivation ... rates. Optical injection-locking is proposed as a solution to these problems. It enhances the intrinsic component bandwidth and reduces frequency chirp considerably. Advances in Optical and Photonic...
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Advances in Optical and Photonic Devices 2011 Part 8 pptx
... order intermodulation products of two signals at f1 and f2 occur at f1+f2, f2-f1, 2 f1 and 2 f2. The third order intermodulation products of two signals at f1 and f2 would be at 2 f1+f2, 2 f1-f2, ... f1 +2 f2, and 2 f2-·f1. Among these products, signals at f1+f2, 2 f1-f2 and 2 f2-·f1 are not filtered out. Therefore, to obtain high purity signal among many signals, signals at f1+f2, 2 f1-f2 ... and 2 f2-·f1 should be supressed when optical- to-electrical conversion occurs at PD. Signals at f2+f1 and f2-f1 are the 2nd order intermodulation distortion (IMD2). Signals at 2 f1-f2 and 2 f2-·f1...
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Advances in Optical and Photonic Devices 2011 Part 11 pptx
... H. (20 09a). All-band photonic transport system and its device technologies. Proceedings of SPIE, Vol. 723 5 (20 09) 723 50C Advances in Optical and Photonic Devices 26 0 with particular energy. ... (filling factor) Quantum Dot Photonic Devices and Their Material Fabrications 24 5 existing photonic devices, and enhancement of usable optical frequency resources in the all- photonic waveband. ... Advances in Optical and Photonic Devices 25 2 Photon with energy higher than band gap of semiconductor material is absorbed in depleted area with creating of electron-hole pair inside....
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Advances in Optical and Photonic Devices 2011 Part 1 potx
... showing the broadening of PL linewidth at the intermediate degree of intermixing. Advances in Optical and Photonic Devices Edited by Ki Young Kim Intech 1 Broadband Emission in Quantum-Dash ... the atomic-line luminescence spectra. Advances in Optical and Photonic Devices 8 Fig. 4. (a) PL spectra at 77 K with varying optical pumping level taken from InAs Qdots within InP matrix ... Leo Advances in Optical and Photonic Devices Broadband Emission in Quantum-Dash Semiconductor Laser 3 The effort of achieving this interesting broadband lasing action in a longer wavelength...
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Advances in Optical and Photonic Devices 2011 Part 5 ppt
... diameter of 20 μm and is therefore distinctly multimode. Since optical injection-locking favours single-mode operation by eliminating longitudinal modes and since the modes generated in VCSELs ... wavelength and linewidth were determined by the intra-cavity dispersing prism. Figure 11 shows a sample laser tuning curve, which was obtained by Advances in Optical and Photonic Devices 92 of ... output power at 29 0 nm Advances in Optical and Photonic Devices 1 12 tuning over a broad spectral region from 28 1 nm to 316 nm while the 26 3 nm pump energy was ~ 2 mJ/pulse. Laser linewidth as...
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Advances in Optical and Photonic Devices 2011 Part 6 docx
... [27 , 28 ]. Advances in Optical and Photonic Devices 122 an InP substrate. The theory of the nonreciprocal loss phenomenon was first proposed by Takenaka, Zaets, and others in 1999 [29 , ... obtain the recurrence equation 1, 1, , 1 , 1 , 22 22 22 1111 22 ()0p q p q pq pq pqHHHH Hmmnn mnφ−+ −+++++−−= (3-10) for eq. (3-8), and recurrence equation 1, 1, , 1 , 1 , 1 , 1 , 22 2 ... in Fig. 12) and backward direction (node 2 lower circulator– Fig. 12. Experimental setup for measuring isolation ratio and propagation loss of light in device. Advances in Optical and...
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Advances in Optical and Photonic Devices 2011 Part 7 docx
... n1Λh+n1Λh=n1nΛh+nΛh=n 2 2 2 211 2 e 2 2 2 211 2 0 (1) Advances in Optical and Photonic Devices 150 5. Experimental performances In the first reports of form-birefringent frequency conversion, scattering ... fluctuations effective input and parametric gain coefficient are maximum. The latter can be written as ()cελλnnn/PΓπ8g0sisipp 2 2= ( 12) Advances in Optical and Photonic Devices 1 62 Fig. 1. ... Fradkin-Kashi, K. & Shreberk, Y. (20 02) . Frequency conversion in novel materials and its application to high resolution gas sensing. Optics and Lasers in Engineering, 37, 2, (February 20 02) ...
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Advances in Optical and Photonic Devices 2011 Part 9 pdf
... of α 2 =2. 11X 21 X 22 X31X 32 X33X34Xα 2 amplification:α3I 2 I1I3I4O1O 2 O3O4O5O6O7O8 2 134 2 134 2 134 2 134 2 134 2 134 2 134(1) in E (2) in E(3) in E(4) in E(1)outE (2) outE(3)outE(4)outE(5)outE(6)outE(7)outE(8)outE11X 21 X 22 X31X 32 X33X34Xα 2 amplification:α3I 2 I1I3I4O1O 2 O3O4O5O6O7O8 2 134 2 134 2 134 2 134 2 134 2 134 2 134(1) in E (2) in E(3) in E(4) in E(1)outE (2) outE(3)outE(4)outE(5)outE(6)outE(7)outE(8)outE ... 11X 21 X 22 Xamplification: α 2 I 2 I1I3O 2 O1O3O4Power divider 2 134 2 134 2 134(1) in E (2) in E(3) in E(1)outE (2) outE(3)outE(4)outE11X 21 X 22 Xamplification: α 2 I 2 I1I3O 2 O1O3O4Power ... 00.511.5 2 2.5 123 45Time sequenceN ormalized IntensityO1O2O3O4tc -2 tc-1tctc+1tc +2 00.511.5 2 2.5 123 45Time sequenceNormalized IntensityO1O2O3O4tc -2 tc-1tctc+1tc +2 ...
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Advances in Optical and Photonic Devices 2011 Part 13 potx
... processes underpinning their behaviour and some real-life strategies for their elimination. Advances in Optical and Photonic Devices 310 4. Transient dynamics and the origin of relaxation-oscillations ... consequence of a thermally-induced increase in the focal power induced in the Nd crystal reducing the mode size (and hence, increasing intensity) of the pump field within the PPLN crystal at higher ... propagation could also now be chosen in order to access the Advances in Optical and Photonic Devices 3 12 Clearly, any system exhibiting such oscillations having triggering mechanism on the order...
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