Alignment-insensitive technique for wideband tuning of an unmodified semiconductor laser.
Using simple optical components and an unmodified commercial semiconductor laser, a frequency-selective self-aligning optical-feedback technique has been devised that allows a semiconductor laser to be tuned to and scanned about any optical frequency within the laser gain curve. This technique employs a graded-index rod lens cat's eye and an intracavity étalon.
Bernacki
B E
BE
Hemmer
P R
PR
Smith
S P
SP
Ezekiel
S
S