ASK transmitter for high-bit-rate systems

Gert Schiellerup; Rune J. S. Pedersen

doi:10.1117/12.24906

1 January 1991 ASK transmitter for high-bit-rate systems

Gert Schiellerup, Rune J. S. Pedersen

Proceedings Volume 1372, Coherent Lightwave Communications: Fifth in a Series; (1991) https://doi.org/10.1117/12.24906
Event: SPIE Microelectronic Interconnect and Integrated Processing Symposium, 1990, San Jose, United States

Abstract

A narrow spectrum transmitter based on a directly modulated DFB laser and FM to AM conversion in a common path interferometer has been investigated theoretically and experimentally. The DFB-LD is locked to the interferometer with a new pattern independent locking scheme in order to give a high extinction ratio of the ASK signal. Experimentally a -20 dB spectral width of 7. 5 GHz 0. 06 nm for a 2. 5 Gbitls ASK signal was obtained using an interferometer with an extinction ratio in excess of 25 dB. The transmitter performance was tested in a direct detection system giving a receiver sensitivity of -28 dBm. I.

Citation Download Citation

Gert Schiellerup and Rune J. S. Pedersen "ASK transmitter for high-bit-rate systems", Proc. SPIE 1372, Coherent Lightwave Communications: Fifth in a Series, (1 January 1991); https://doi.org/10.1117/12.24906

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