Multi-heterodyne mixing of frequency stabilized combs for ultrafast coherent signal processing

Josue Davila-Rodriguez; Mehmetkan Akbulut; Charles Williams; Peter J. Delfyett

doi:10.1117/12.852735

16 April 2010 Multi-heterodyne mixing of frequency stabilized combs for ultrafast coherent signal processing

Josue Davila-Rodriguez, Mehmetkan Akbulut, Charles Williams, Peter J. Delfyett

Author Affiliations +

Proceedings Volume 7700, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VI; 770004 (2010) https://doi.org/10.1117/12.852735
Event: SPIE Defense, Security, and Sensing, 2010, Orlando, Florida, United States

Abstract

Fast and precise measurements of ultrafast optical waveforms are essential to the development of optical coherent signal processing. In this paper, multi-heterodyne mixing of stabilized optical frequency combs is presented as a simple technique for the measurement of ultrafast laser pulses and exotic arbitrary optical waveforms. This technique takes advantage of both the broadband nature of the frequency comb and the narrow line-width of the individual comb-lines to produce an array of radio-frequency beat-notes that share the characteristics of the optical spectrum. Measurements of comb characteristics across THz of bandwidth are enabled by this method, while maintaining the accuracy at the level of the individual comb-line width. Results show that both frequency modulation and amplitude modulation combs can be measured using this scheme.

Citation Download Citation

Josue Davila-Rodriguez, Mehmetkan Akbulut, Charles Williams, and Peter J. Delfyett "Multi-heterodyne mixing of frequency stabilized combs for ultrafast coherent signal processing", Proc. SPIE 7700, Enabling Photonics Technologies for Defense, Security, and Aerospace Applications VI, 770004 (16 April 2010); https://doi.org/10.1117/12.852735

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