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Stimulated Emission and Optical Gain in Semiconductors

Stimulated Emission and Optical Gain in Semiconductors

Stimulated Emission and Optical Gain in Semiconductors

... 3 StimulatedEmissionandOptical GaininSemiconductors Thischapterpresentsthebasictheoryandcharacteristicsofstimulated emissionandopticalamplificationgaininsemiconductors.Theformeristhe ... thenquantumtheoryanalysisandstatisticanalysisusingthedensitymatrix oftheopticalamplificationgainaregiven.Stimulatedemissionandoptical gaininsemiconductorquantumwellstructureswillbepresentedinthenext chapter. 3.1BANDSTRUCTUREOFSEMICONDUCTORSAND ... calculation of the gain factor g ¼À and the spontaneous emission using Eqs (3.21) and (3.23), are outlined. The results on the gain and spontaneous emission will then be given in the following sections....
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Báo cáo

Báo cáo " The dependence of the parametric transformation coefficient of acoustic and optical phonons in doped superlattices on concentration of impurities" pot

... acoustic and optical phonons on temperature T and frequency Ω is has been also studied [6-9]. In order to improve the PRT theoretics for low-dimensional semiconductors, we, in the paper, examine ... coefficient of acoustic and optical phonon in doped superlattices In order to establish the parametric transformation coefficient of acoustic and optical phonon, we use standard Fourier transform ... δ is infinitesimal and appears due to the assumption of an adiabatic interaction of the electromagnetic wave (EMW). In Eq.(8), the first term on the right-hand side is significant just in case...
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Tài liệu Báo cáo khoa học: TEC family kinases in health and disease – loss-of-function of BTK and ITK and the gain-of-function fusions ITK–SYK and BTK–SYK pptx

Tài liệu Báo cáo khoa học: TEC family kinases in health and disease – loss-of-function of BTK and ITK and the gain-of-function fusions ITK–SYK and BTK–SYK pptx

... T-cell kinase (ITK) could in uence the infectivity of HIV and also have anti -in ammatory activity. Since 2006, several patients carry-ing a fusion protein, originating from a translocation joining ... mutation in the BTK PH domain; arginine 28 is in dark blue, encircled in red. Bottom left: SH2 domain. Right: kinasedomain. The mutated residues are indicated in yellow, a-helices are in cyan, ... ligandbinding, presumably abolishing the interaction withsignaling partners. The remaining mutations alteramino acids located outside the ligand-binding pocket and reduce protein stability.The two patients...
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Báo cáo khoa học: Benzo[a]pyrene impairs b-adrenergic stimulation of adipose tissue lipolysis and causes weight gain in mice A novel molecular mechanism of toxicity for a common food pollutant doc

Báo cáo khoa học: Benzo[a]pyrene impairs b-adrenergic stimulation of adipose tissue lipolysis and causes weight gain in mice A novel molecular mechanism of toxicity for a common food pollutant doc

... low doses of norepinephrineexerted a significant inhibition on lipoysis (Fig. 1C).The initial step involved in the epinephrine ⁄ nor-epinephrine-induced lipolytic cascade includes activa-tion ... onadipose tissue. In ex vivo experiments using primary murine adipocytes,B[a]P rapidly (within minutes) and directly inhibited epinephrine-inducedlipolysis (up to 75%) in a dose-dependent ... differences in FFA concentrations between epinephrine and saline incubations (A). (B)Effect of 15 min preincubation of human adipocytes with either B[a]P (j) or saline (h) followed by 45 min incubation...
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OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot

OPTICAL COATINGS AND THERMAL NOISE IN PRECISION MEASUREMENT pot

... physicists. In this timely book, internationally renowned scientists and engineers examine ourcurrent theoretical and experimental understanding. Beginning with the theory of thermalnoise in mirrors and ... properly selecting the materials and designing the layerthicknesses. Traditionally, the major application of coatings has been in imaging systems,including coatings on lenses, windows, and filters ... n1 and n2are the refractive indices of the two coating materials, and p is the number of pairs of ahigh and low index material in the coating. Optical Coatings and Thermal Noise in Precision Measurement,...
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introduction to electromagnetic compatibility (wiley series in microwave and optical engineering)

introduction to electromagnetic compatibility (wiley series in microwave and optical engineering)

... with and insights gained fromworking with colleagues in the EMC group at IBM Information Products Division in Lexington, Kentucky (now Lexm ark International) during a sabbatical leave in 1984 and ... course there and at the author’s present institution, MercerUniversity. The subject is rapidly increasing in importance, due in part to theincreasing use and speeds of digital electronics in today’s ... Return on a Desired Path 79311.2.6 Single-Point Grounding, Multipoint Grounding, and Hybrid Grounding 79611.2.7 Ground Loops and Subsystem Decoupling 80211.3 Printed Circuit Board (PCB) Design...
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survivability and traffic grooming in wdm optical networks

survivability and traffic grooming in wdm optical networks

... Traffic grooming in WDM networks 1699.1 Traffic grooming in WDM rings 1739.2 Static traffic grooming in rings 1739.3 Dynamic traffic grooming in WDM networks 17810 Gains of traffic grooming 18410.1 ... aspects and issues in the designxvi Prefaceof such networks, which include the routing and wavelength assignment prob-lems, optical packet switching and optical burst switching, traffic grooming and survivability ... as an introduction to wavelength-division multiplexing,broadcast -and- select-network designs, and different optical networking trends and technology. They also introduce several interesting aspects...
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doctoral dissertation. optical and electrical interaction in self-assembled metal nanoparticle superstructures, 2008, p.72

doctoral dissertation. optical and electrical interaction in self-assembled metal nanoparticle superstructures, 2008, p.72

... the optical propertiesof both single nanoparticles and interacting particle clusters. The optical spectrumof silver nanoparticles and nanoparticle clusters are examined in order to explainthe ... consists of1studies considering the optical and electrical interactions in assemblies formed ofmetal nanoparticles, thus introducing some of the fundamental properties behindthe function of above ... [10] Also interesting arethe interparticle interactions and their effects on the superstructure properties. In this thesis, a series of physicochemical studies on the collective optical and elec-trical...
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Từ khóa: Báo cáo thực tập tại nhà thuốc tại Thành phố Hồ Chí Minh năm 2018Báo cáo quy trình mua hàng CT CP Công Nghệ NPVchuyên đề điện xoay chiều theo dạngđề thi thử THPTQG 2019 toán THPT chuyên thái bình lần 2 có lời giảiGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitGiáo án Sinh học 11 bài 13: Thực hành phát hiện diệp lục và carôtenôitTrả hồ sơ điều tra bổ sung đối với các tội xâm phạm sở hữu có tính chất chiếm đoạt theo pháp luật Tố tụng hình sự Việt Nam từ thực tiễn thành phố Hồ Chí Minh (Luận văn thạc sĩ)Nghiên cứu khả năng đo năng lượng điện bằng hệ thu thập dữ liệu 16 kênh DEWE 5000Chuong 2 nhận dạng rui roBT Tieng anh 6 UNIT 2Tăng trưởng tín dụng hộ sản xuất nông nghiệp tại Ngân hàng Nông nghiệp và Phát triển nông thôn Việt Nam chi nhánh tỉnh Bắc Giang (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 15: Tiêu hóa ở động vậtchuong 1 tong quan quan tri rui roNguyên tắc phân hóa trách nhiệm hình sự đối với người dưới 18 tuổi phạm tội trong pháp luật hình sự Việt Nam (Luận văn thạc sĩ)Giáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtGiáo án Sinh học 11 bài 14: Thực hành phát hiện hô hấp ở thực vậtHIỆU QUẢ CỦA MÔ HÌNH XỬ LÝ BÙN HOẠT TÍNH BẰNG KIỀMQUẢN LÝ VÀ TÁI CHẾ NHỰA Ở HOA KỲ