Chinese Optics Letters, 2016, 14 (10): 100603, Published Online: Aug. 2, 2018
All-fiber electro-optic modulator based on D-shaped twin-core fiber Download: 1029次
Abstract
In a D-shaped twin-core fiber (DTCF), the central core is insensitive to the variation of the external environment, while the other core is highly sensitive. As an electro-optic polymer coated on a DTCF, the coupling between the two cores varies with voltages applied to the polymer. Based on this, a superior all-fiber modulator is proposed that bears little coupling loss, prohibits mode mismatch, and provides a more stable working circumstance. A half-wave driving voltage (V π ) of 1.26 V is achieved. Moreover, a high modulation depth of 40 dB can be realized for a voltage of 2.7 V at a 1550 nm wavelength.
Jianshuai Wang, Li Pei, Sijun Weng, Liangying Wu, Tigang Ning, Jing Li. All-fiber electro-optic modulator based on D-shaped twin-core fiber[J]. Chinese Optics Letters, 2016, 14(10): 100603.