High power optical fiber data transmission using CDH-LOC AlGaAs laser diodes

Abstract

o n n o l l y , J. 0 . S c h r o e d e r , J . P. Bednarz and M . E t t e n b e r g RCA L a b o r a t o r i e s , New J e r s e y h i g h d a t a r a t e s . .High power microwave t r a n s i s t o r s (HP 5104) a r e u s e d t o g i v e 200 mA c u r r e n t p u l s e s w i t h rise and f a l l times o f a p p r o x i m a t e l y s . The upper limit on t h e d a t a r a t e is about 75 M b i t / s , which i s d e t e r m i n e d by t h e TTL i n t e r f a c e l o g i c c h i p . P r i n c e t o n ABSTRACT E x p e r i m e n t a l r e s u l t s on d i g i t a l a n d analog modulation experiments with high power CDH-LOC l a s e r d i o d e s a r e r e p o r t e d . H i g h -s p e e d d a t a t r a n s m i s s i o n a t a v e r a g e power l e v e l s e x c e e d i n g 20 mW ( 5 0 % d u t y c y c l e ) o f c o u p l e d l i g h t i n g r a d e d i n d e x f i b e r was a c h i e v e d . E n h a n c e d s i g n a l -t on o i s e r a t i o ( a p p r o a c h i n g 30 dB) f o r AM systems i s d e m o n s t r a t e d .