Coupling coefficients of gratings with graded refractive index waveguides
- Authors
-
- chen, c
- chen, l
- wang, q
- chinese, c r chen
- Publication Date
- Jan 01, 1997
- Source
- Knowledge Repository of SEMI,CAS
- Keywords
-
- 光电子学
- Distributed Feedback Lasers
- Molecular-Beam Epitaxy
- Heterostructure
- Dfb
- Design
- Lasers
- Design
- Atomic Layer Deposition
- Dfb
- Masers, Optical
- Light Amplification By Stimulated Emission Of Radiation
- 粒子数布居反转
- Appearance
- Design Engineering
- Tailoring
- Forme
- Etude
- Entwurf (Konstruktion)
- Dessin
- Conception
- Dirac-Fock-Breit
- Many-Body Expansion
- Coulomb-Bethe
- Molecular Beam Epitaxy
- Ald
- Cvi (Fabrication)
- Vpe
- Vapor Phase Epitaxial Growth
- Hot Wall Epitaxial Growth
- Vapour Phase Epitaxial Growth
- Migration-Enhanced Epitaxy
- Mbe
- Molecular Beam Epitaxial Growth
- Omvpe
- Omcvd
- Movpe
- Metalorganic Chemical Vapour Deposition
- Mocvd
- Laser Deposition
- Crystal Growth From Vapour
- Cvi
- Chemical Vapour Infiltration
- Lpcvd
- Laser-Induced Cvd
- Laser Cvd
- Cvd
- Chemical Vapor Deposition
- Apcvd
- Chemical Vapour Deposition
- Chemical Vapor Infiltration
- Ommbe
- Mombe
- Metalorganic Molecular Beam Epitaxy
- Gsmbe
- Gas Source Mbe
- Cbe
- Chemical Beam Epitaxial Growth
- Molecular Layer Epitaxial Growth
- Mle Growth
- Ale
- Atomic Layer Epitaxial Growth
- London And South Eastern Library Region, Uk
- 布居反转
- Natural Lasers
- Fabry-Perot Lasers
- Lasers (Francais)
- Laser
- Quantum Generators (Optical)
- Optical Quantum Generators
- Irasers
- Laser Tuning
- Dfb Lasers
- Distributed Feedback Lasers
- Dbr Lasers
- Distributed Bragg Reflector Lasers
- Pulsed Lasers
- Population Inversion
- Optical Masers
- License
- Unknown
- External links
Abstract
In this paper, the effective coupling coefficient k(eff) and the self-coupling coefficient zeta(1) are introduced to describe the characteristic of gratings in a resonant situation when the effects of radiation and other partial waves coupling are considered. The dependence of these two coupling coefficients on grating tooth shapes and depths and the dimensions of graded refractive index (GRIN) waveguides is numerically analysed. The results show that the gratings with linear GRIN waveguides have the largest \k(eff)\. The possibility of realizing a complex-coupled DFB laser, even a pure gain or loss coupled DFB laser, employing only a real refractive index coupled grating is also discussed.
