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首页> 外文期刊>Optical Review >Electro-Optic Coefficient Measurements for Zn x Cd1-x Te Single Crystals at 1550 nm Wavelength
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Electro-Optic Coefficient Measurements for Zn x Cd1-x Te Single Crystals at 1550 nm Wavelength

机译:Zn x Cd1-x Te单晶在1550 nm波长下的电光系数测量

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Nonlinear optical materials of the type Zn x Cd1-x Te single crystals, where x = 0.0, 0.2, 0.4, 0.6, 0.7, 0.8, and 1.0, have been grown by the Bridgman method, using a vertical furnace. We have investigated the electro-optic (E-O) coefficient and refractive index of Zn x Cd1-x Te single crystals at optical communication wavelength (1550 nm). In the case of CdTe crystal, the E-O coefficient was 15.5 × 10-12 m/V, which is the biggest among the E-O coefficients of Zn x Cd1-x Te crystals. The E-O modulation signal was very big in low frequency range (DC-100kHz), but the signal amplitude became smaller as we increased frequency above 100 kHz. We also found the acousto-optic modulation at CdTe single crystals.
机译:使用Bridgman方法生长了x = 0.0、0.2、0.4、0.6、0.7、0.8和1.0的Zn x Te型单晶非线性光学材料,使用立式炉。我们研究了Zn x Te单晶在光通信波长(1550 nm)处的电光(E-O)系数和折射率。在CdTe晶体的情况下,E-O系数为15.5×10-12 m / V,在Zn x Te晶体的E-O系数中最大。在低频范围(DC-100kHz)中,E-O调制信号非常大,但是当我们将频率提高到100 kHz以上时,信号幅度会变小。我们还发现了CdTe单晶的声光调制。

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