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Bragg Grating (Applications (Optical signal processing (phase shifted…
Bragg Grating
Applications
(DE)MUX
Lasers
Filters
dispersion engineering
Optical sensors
Optical signal processing
optical pulse compression
tunable delay lines
Optical buffering
phase shifted
temporal differentiaion
laser lindewidth reduction
Microwave generation
Resonators
with
Isolators
circulators
Mode converters
structure
uniform
apodizing
phase-shifted
narrow band
Contra-directional coupler
Characteristics
compactness
no FSR
wide bandwidth
no/weak reflection
Low loss
Optimization
Waveguide asymmetry
Extinction ratio
Optimization
Grating
tilt
Reflection
width
radiation loss
out-of-phase gratings
tapers
Reflection
Extinction ratio
Compare with
Ring resonator
Samll FSR
Coupled mode analysis