An all-optical fiber Sagnac interferometer switch and erbium amplifier have been combined to form an all-optical 254-bit circulating shift register with an inverter. This simple optical loop memory demonstrates the cascadability of Sagnac interferometer switches.
© 1991 Optical Society of America
Original Manuscript: August 30, 1991
Published: December 15, 1991
N. A. Whitaker, M. C. Gabriel, H. Avramopoulos, and A. Huang, "All-optical, all-fiber circulating shift register with an inverter," Opt. Lett. 16, 1999-2001 (1991)