An uncoated FPA has peak gain wavelength 1.8 m, mode spacing of 0.8nm, – McqOptions

MCQOPTIONS

1.	An uncoated FPA has peak gain wavelength 1.8 m, mode spacing of 0.8nm, and long active region of 300 v. Determine RI of active medium.
A.	4.25 10<sup>6</sup>
B.	3.75 10<sup>7</sup>
C.	3.95 10<sup>7</sup>
D.	4.25 10<sup>9</sup>
Answer» C. 3.95 10<sup>7</sup>

Discussion

No Comment Found

Related MCQs

An SOA has noise power spectral density of 1.18mW, spontaneous emission factor of 4, optical bandwidth of 1.5 THz. Determine mode number.
An SOA has mode number of 2.6, spontaneous emission factor of 4, optical bandwidth of 1 THz. Determine noise power spectral density.
An SOA has length of 35.43 10<sup>-3</sup>m, at 30 dB gain. Determine net gain coefficient.
An SOA has net gain coefficient of 300, at a gain of 30dB. Determine length of SOA.
Determine the peak gain wavelength of uncoated FPA having mode spacing of 2nm,and 250 mlong active region and R.I of 3.78.<br>a)2.25 10<sup>-4</sup>
An uncoated FPA has peak gain wavelength 1.8 m, mode spacing of 0.8nm, and long active region of 300 v. Determine RI of active medium.
______________ are operated at current beyond normal lasing threshold current, practically.
Mostly ____________ are used in nonlinear applications.
For used in single-mode fiber __________ are used preferably.
________________ cannot be used for wideband amplification.