A compact electro-absorption modulator based on graphene photonic crystal fiber<xref rid="cpb_29_3_034209fn1" ref-type="fn">*</xref> <fn id="cpb_29_3_034209fn1"> <label>*</label> <p>Project supported by the National Natural Science Foundation of China (Grant Nos. 61575170 and 61675176), the Key Basic Research Program of Hebei Province, China (Grant No. 16961701D), and the “Xin Rui Gong Cheng” Talent Project of Yanshan University.</p> </fn>

A compact electro-absorption modulator based on graphene photonic crystal fiber* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 61575170 and 61675176), the Key Basic Research Program of Hebei Province, China (Grant No. 16961701D), and the “Xin Rui Gong Cheng” Talent Project of Yanshan University.

Fu Guangwei^†, Wang Ying, Wang Bilin, Yang Kaili, Wang Xiaoyu, Fu Xinghu, Jin Wa, Bi Weihong^‡

(a) The permittivity of graphene as a function of chemical potential at wavelengths of 1310, 1390, 1470, 1550, and 1630 nm, and (b) the corresponding losses. (c) The permittivity of graphene as a function of wavelength at chemical potentials of 0, 0.26, 0.4, 0.5, 0.57, and 1 eV, and (d) the corresponding losses.