Integrated external cavity for tunable devices

We have designed an integrated optical device that can be used as the tuning element of an erbium-doped fiber (EDF) ring laser and simultaneously as a coupler for the pump light. The device is based on a concave grating etched into a planar waveguide. Tuning is achieved by moving one end of the EDF...

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Bibliographic Details
Published in:IEEE photonics technology letters 1996-09, Vol.8 (9), p.1205-1207
Main Authors: Cameron, R., McGreer, K.A.
Format: Article
Language:English
Subjects:
Erbium-doped fiber lasers
Gratings
Laser theory
Laser tuning
Optical design
Optical devices
Optical fiber couplers
Optical fiber devices
Optical tuning
Tunable circuits and devices
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Summary:We have designed an integrated optical device that can be used as the tuning element of an erbium-doped fiber (EDF) ring laser and simultaneously as a coupler for the pump light. The device is based on a concave grating etched into a planar waveguide. Tuning is achieved by moving one end of the EDF along the edge of the device. The grating can be tuned from 1545 to 1555 nm, with theoretical grating losses less than 1.5 dB throughout this range.
ISSN:1041-1135
1941-0174
DOI:10.1109/68.531837