TITLE

High-speed distributed feedback lasers grown by hydride epitaxy

AUTHOR(S)
Temkin, H.; Logan, R. A.; Karlicek, R. F.; Strege, K. E.; Blaha, J. P.; Gabla, P. M.; Savage, A.; Oatis, K.
PUB. DATE
September 1988
SOURCE
Applied Physics Letters;9/26/1988, Vol. 53 Issue 13, p1156
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
We have used hydride vapor phase epitaxy to prepare re-entrant mesa buried-heterostructure distributed feedback lasers. The grating is overgrown uniformly with minimal amplitude reduction. A semi-insulating Fe-InP blocking layer around the etched mesas is grown very reproducibly with little dependence upon the details of mesa etching. Laser diodes show cw thresholds of ∼25 mA. Single-mode operation has been shown at power levels as high as 18 mW and temperatures up to 100 °C. Modulation bandwidth in excess of ∼8 GHz has been demonstrated with simple and reliable full surface Ohmic contacts.
ACCESSION #
9828229

 

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