Semiconductor optical amplifier (SOA) is very fit for all optical modulation format conversion due to its high nonlinear characteristics, lower switch power and small size.

半导体光放大器(SOA)由于具有高非线性特性、低开关功率和尺寸较小等优点，非常适合用来实现全光码型转换。

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The switch power is widely applied in the field of communication, computer, and so on because of its remarkable advantages of compact size and high efficiency compared with conventional power.

相对于线性电源，开关电源具有体积小、效率高等优点，使其在通讯、计算机等领域得到广泛应用。

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The general PCB design steps of the switch power supply and an example were given in this paper.

本文给出了开关电源PCB设计的一般步骤，并给出实例。

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... A 'green power' program regularly invites customers to pay $4 to $10 extra per month to switch to clean energy.

VOA: standard.2010.03.23

But several firms have devised systems that can switch power in milliseconds.

ECONOMIST: ENERGY: Building the energy internet | The

The power button however isn't your normal standby switch and is in fact, a real, live power switch.

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There are further cost issues in upgrading the national grid to cope with power surges and the need to switch between different power sources.

FORBES: Wind Power Efforts May Not Be Enough For U.K.