Title :
Receiverless clocking of a CMOS digital circuit using short optical pulses
Author :
Bhatnagar, Apama ; Debaes, Christof ; Chen, Ray ; Hellman, N.C. ; Keeler, Gordon A. ; Agarwal, Diwakar ; Thienpont, Hugo ; Miller, David A B
Author_Institution :
Edward L. Ginzton Lab., Stanford Univ., CA, USA
Abstract :
We use short optical pulses to clock a digital logic block without using clock receivers. We measure 12 ps rms jitter at the output of a digital PRBS with optical clocking and 30 ps with electrical clocking.
Keywords :
CMOS logic circuits; clocks; flip-chip devices; high-speed optical techniques; laser mode locking; optical beam splitters; photodetectors; timing jitter; 12 ps; 30 ps; CMOS digital circuit; clock receivers; digital PRBS; digital logic block; electrical clocking; mode-locked laser; optical clocking; receiverless clocking; rms jitter; short optical pulses; CMOS digital integrated circuits; Clocks; Digital circuits; Flip-flops; Jitter; Laser mode locking; Optical buffering; Optical pulse generation; Optical pulses; Optical receivers;
Conference_Titel :
Lasers and Electro-Optics Society, 2002. LEOS 2002. The 15th Annual Meeting of the IEEE
Print_ISBN :
0-7803-7500-9
DOI :
10.1109/LEOS.2002.1133951
