A linearly chirped in-fiber Bragg grating is reported that can compensate at 1549 nm for the dispersion [ approximately -19 ps/(nmkm)] of standard telecommunications optical fiber optimized for 1300-nm operation.

Optics Letters
Department of Electronics

Hill, K.O., Bilodeau, F., Malo, B., Kitagawa, T., Theriault, S., Johnson, D.C., … Takiguchi. (1994). Chirped in-fiber Bragg gratings for compensation of optical-fiber dispersion. Optics Letters. doi:10.1364/OL.19.001314