A volume holographic grating in iron-doped lithium niobate has been demonstrated as a novel infra-red selective filter to produce stable single-mode output from a semiconductor laser operating at 1.55 ¿m. Preliminary results show that a ~16 dB adjacent-mode rejection ratio can be obtained.
Published in:
Electronics Letters
(Volume:21
,
Issue:
15
)
Date of Publication: July 18 1985