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Authors

O'Callaghan, JR;Roycroft, B;Guo, WH;Lu, QY;Daunt, CL;Thomas, K;Pelucchi, E;Donegan, J;Peters, FH;Corbett, B

Conference Title

2012 INTERNATIONAL CONFERENCE ON INDIUM PHOSPHIDE AND RELATED MATERIALS (IPRM)

Title of Paper

Slotted tunable laser with monolithic integrated mode coupler

Year

2013

Month

January

Status

Validated

Peer Reviewed

Times Cited

()

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Start Page

273

End Page

276

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End Date

Abstract

We present a tunable laser based on partially reflective slots etched into the active ridge of a laser the output of which is monolithically coupled into a lower waveguide using a tapered coupler. The laser demonstrates a tuning range of 2.8 THz covering 8 channels separated by 400 GHz. The coupling efficiency to the lower waveguide is up to 90%. This approach requires no epitaxial re-growth making it suitable for low cost photonic integration with additional functional devices such as an integrated IQ modulator.

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