Quantum Electronics and Coherent LightP. A. Miles |
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Page 22
... exciton . This energy state is just below the conduction band and forms an exciton band since the bound pair have the momentum corresponding to that of the electron at or near the edge of zone . At low temperatures where the binding ...
... exciton . This energy state is just below the conduction band and forms an exciton band since the bound pair have the momentum corresponding to that of the electron at or near the edge of zone . At low temperatures where the binding ...
Page 30
... exciton coefficient becomes comparable to the free - carrier absorption . Thus , if reflection losses can be reduced and the exciton absorption or emission co- efficient increased as in Si or higher - gap semiconductors the number for ...
... exciton coefficient becomes comparable to the free - carrier absorption . Thus , if reflection losses can be reduced and the exciton absorption or emission co- efficient increased as in Si or higher - gap semiconductors the number for ...
Page 37
... exciton as the initial state . The energy shift is given by ( 36 ) Δε = ( h2 e2 / m2 ) 13.6 photon energy shift △ & ( eV ) 0.005 0.003- a ) 0.001 0.005 K2 B2 ( m * / m ) 3 8 0.003 b ) 0.001 0 3000 6000 2 9000 With a value of the ...
... exciton as the initial state . The energy shift is given by ( 36 ) Δε = ( h2 e2 / m2 ) 13.6 photon energy shift △ & ( eV ) 0.005 0.003- a ) 0.001 0.005 K2 B2 ( m * / m ) 3 8 0.003 b ) 0.001 0 3000 6000 2 9000 With a value of the ...
Contents
R Y CHIAO E GARMIRE and C H TOWNES | 16 |
B LAX Infrared semiconductor lasers | 110 |
J P GORDON | 156 |
Copyright | |
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absorption amplitude anti-Stokes approximation assume atoms beam calculation cavity cm-¹ coefficient components conduction band configuration corresponding crystal field density density matrix density operator diode dipole electric electrons emission line emitted energy levels equations etalon excited exciton experimental Fabry-Perot factor fluorescence Fourier function GaAs given h₂ harmonic infra-red inhomogeneous integral intensity interaction interferometer inversion ions Journ laser Lett light line width linear magnetic field maser matrix element measurements mirrors modes molecule N₂ noise nonlinear obtained operation optical oscillator parameters phase photon photon numbers Phys plane polarization pumping quantum radiation Raman effect rare-earth region Rendiconti S.I.F. resolving power semiconductor shown in Fig solution spectra spectrum spontaneous emission stimulated emission Stokes symmetry temperature theory threshold tion transition valence band vector velocity vibration vibronics w₁ w₂ wave wavelength ΔΩ