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The light emission characteristic of a GaAs/AlGaAs single quantum well laser with an intracavity monolithic loss modulator has been investigated. Discrete, widely separated, wavelength switching from the first (875 nm) to the second (842 nm) subband is achieved by changing the applied modulator bias. In addition, we show that 2 mW of lasing light power may be modulated with a change in current of 250 μA and a voltage change of 1 V.
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Berthold et al. (1989) studied this question.
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