Abstract
Frequency combs have enabled a wide range of applications because of their unique combination of coherence and broad bandwidth. The comb provides 100,000’s of comb teeth at precise, well-known optical frequencies that can support broadband accurate spectroscopy or multi-wavelength interfometric ranging. However, the full advantages of the comb can be realized as a source for these and other applications only with a matched detection approach. In other words, the detection must fully resolve each individual transmitted comb tooth. It is possible to achieve this tooth-by-tooth detection through multi-heterodyne interference against a second, or dual, coherent frequency comb [1, 2].
© 2013 IEEE
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