Title :
High-rejection/low-loss single passband filters with 50 nm stopband in depressed cladding fibre by chirped grating concatenation method
Author :
Zhang, L. ; Sugden, K. ; Liu, Y. ; Bennion, I. ; Dong, L.
Author_Institution :
Div. of Electron. Eng. & Comput. Sci., Aston Univ., Birmingham, UK
Abstract :
High-rejection/low-loss bandpass filters have been successfully fabricated in cladding depressed fibre by concatenating four chirped gratings achieving a 50 nm stopband with rejection ratio of 50 dB and ~1.5 nm (at 3 dB) passband with a loss ~1 dB
Keywords :
Bragg gratings; band-pass filters; chirp modulation; diffraction gratings; optical fibre cladding; optical fibre fabrication; optical fibre filters; optical fibre losses; optical modulation; 1 dB; chirped grating concatenation method; cladding depressed fibre fabrication; depressed cladding fibre; high-rejection/low-loss single passband filters; optical losses; passband; rejection ratio; Band pass filters; Bragg gratings; Chirp; Fabrication; Fiber gratings; Optical fiber devices; Optical fibers; Optical losses; Passband; Telecommunications;
Conference_Titel :
Optical Communication, 1998. 24th European Conference on
Conference_Location :
Madrid
Print_ISBN :
84-89900-14-0
DOI :
10.1109/ECOC.1998.732497
