The_narrow_line-width_obtained_under_the_CW_operation_for_quarter_wave – McqOptions

MCQOPTIONS

1.	The_narrow_line-width_obtained_under_the_CW_operation_for_quarter_wavelength_shifted_DFB_laser_is_________________
A.	2 MHz
B.	10 MHz
C.	3 MHz
D.	1 MHz
Answer» D. 1 MHz

Discussion

No Comment Found

Related MCQs

_________________ is a technique used to render the non-conducting material around the active cavity by producing permanent defects in the implanted area.
The narrow line-width obtained under the CW operation for quarter wavelength shifted DFB laser is ________________
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 ______________
Fabry-Perot devices with BH geometries high modulation speeds than DFB-BH lasers.
DBF-BH lasers exhibit low threshold currents in the range of ________________
The semiconductor lasers employing the distributed feedback mechanism are classified in _________________ categories.
The first order grating (l=1) provide the strongest coupling within the device.
In the given equation, corrugation period is given by lλb/2Ne. If λb is the Bragg wavelength, then what does ‘l’ stand for?
Conventional cleaved mirror structures are difficult to fabricate with the cavity lengths below __________
DBF-BH_LASERS_EXHIBIT_LOW_THRESHOLD_CURRENTS_IN_THE_RANGE_OF_________________?$