A receiver for optical frequency modulated signals, based on colorless demodulation and detection, is presented. An integrated combination of semiconductor optical amplifier (SOA) and reflective electroabsorption modulator (REAM) is designed to obtain a comb-like spectral detection function, replacing the typically required costly frequency discrimination filter. The spectral properties of the designed SOA/REAM chip are discussed and the reception of a 10-Gb/s optical frequency modulated downstream signal is demonstrated, proving the applicability as receiving optical subsystem in the customer premises equipment of fiber-to-the-home access networks with wavelength reuse for upstream transmission and no downstream crosstalk.
CitationSchrenk, B. [et al.]. Colorless FSK Demodulation and Detection With Integrated Fabry-Perot-Type SOA/REAM. "IEEE photonics technology letters", 01 Juny 2010, vol. 22, núm. 13, p. 1002-1004.
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