Demonstration of injection locking a diode laser using a filtered electro-optic modulator sideband
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Many experiments in atomic physics require two laser beams with a controllable difference in frequencies. In this paper, we report on realizing this goal using a technique where an electro-optic modulator sideband is filtered through a cavity and injected into a diode laser, in a novel configuration yielding very high feedback isolation without sacrificing access to the output power of the diode laser. The advantages of this approach over alternative techniques for injection locking are discussed.