Quantum cascade laser based, fiber coupled demultiplexed mid-infrared local oscillator for cryogenic applications
Applied Physics Letters, pp. 1311082020.
We have developed a fiber coupled demultiplexed local oscillator (LO) source for cryogenic applications based on a distributed feedback quantum cascade laser (QCL) at an operating wavelength of 10.6 μm. The coupling scheme relies on the combination of a phase grating generating multiple LO beams and a polycrystalline fiber delivering the ...More
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