Multiple Choice
The InGaAsP/InP double channel planar DFB-BH laser with a quarter wavelength shifted first order grating provides a single frequency operation and incorporates a phase shift of ______________
A) ?/2 radians
B) 2? radians
C) ? radians
D) 3?/2 radians
Correct Answer:

Verified
Correct Answer:
Verified
Q1: The first order grating (l=1) provide the
Q2: Device which apply the frequency-selective feedback technique
Q4: Better confinement of optical mode is obtained
Q5: Line-width narrowing is achieved in DFB lasers
Q6: Fabry-Perot devices with BH geometries high modulation
Q7: In the given equation, corrugation period is
Q8: The parameter that prevents carrier from recombination
Q9: The threshold temperature coefficient for InGaAsP devices
Q10: Conventional cleaved mirror structures are difficult to
Q11: The process where the energy released during