20 Gbit/s high-performance integrated MQW TANDEM modulators and amplifier for soliton generation and coding

We report on the integration of two InGaAsP-InGaAsP MQW electroabsorption ridge modulators and an amplifier on the same active layer. The two modulators are separated by a 500-μm ridge waveguide optical amplifier, in order to prevent electrical crosstalk, and to compensate for optical losses. The fi...

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Veröffentlicht in:	IEEE photonics technology letters 1995-06, Vol.7 (6), p.629-631
Hauptverfasser:	Souli, N., Devaux, F., Ramdane, A., Krauz, P., Ougazzaden, A., Huet, F., Carre, M., Sorel, Y., Kerdiles, J.F., Henry, M., Aubin, G., Jeanney, E., Montallant, T., Moulu, J., Nortier, B., Thomine, J.B.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Circuit properties Electric, optical and optoelectronic circuits Electronics Exact sciences and technology Miscellaneous Optical amplifiers Optical and optoelectronic circuits Optical crosstalk Optical modulation Optical pulse generation Optical solitons Optical waveguides Pulse amplifiers Pulse modulation Quantum well devices Stimulated emission
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Zusammenfassung:	We report on the integration of two InGaAsP-InGaAsP MQW electroabsorption ridge modulators and an amplifier on the same active layer. The two modulators are separated by a 500-μm ridge waveguide optical amplifier, in order to prevent electrical crosstalk, and to compensate for optical losses. The first modulator is used as a soliton generator, and the second codes the generated pulses. The amplifier showed 8.2-dB gain for 120-mA injected current. This allowed a low fiber to fiber insertion loss of 9 dB for the tandem. We present here for the first time to our knowledge, a 20 Gbit/s operation for a tandem-amplifier device, together with transmission experiments.
ISSN:	1041-1135 1941-0174
DOI:	10.1109/68.388746