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Proceedings Paper

Dynamic behavior of optically clocked 4-mm UL-SOA at 40 Gbit/s
Author(s): Juraj Slovak; Carsten Bornholdt; Ulrike Busolt; Gero Bramann; Hans Peter Nolting; Bernd Sartorius
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Paper Abstract

The dynamic characteristics of an ultra-long semiconductor optical amplifier (UL-SOA) with a length of 4 mm are investigated experimentally. An optically clocked technique is applied for suppressing the patterning effects in an SOA and for exploiting effectively the fast intra-band effects. The gain dynamic in the UL-SOAs is here stabilised by a sinusoidal optical clock signal which is additionally injected into the device, bit interleaved with a PRBS data signal. The optimal operation condition of the novel scheme concerning power levels of the RZ data signal and clock signal are analysed in detail at 40 Gbit/s. We use the ultra-fast nonlinearities in the UL-SOAs for regenerating of a 40 Gbit/s data signal in amplitude, time and pulse shape. The 40 GHz recovered clock signal in the optically clocked 3R regenerator is generated by a self-pulsating three section DFB laser. An excellent regenerative performance even for strong degraded data signals is demonstrated.

Paper Details

Date Published: 18 August 2004
PDF: 9 pages
Proc. SPIE 5451, Integrated Optics and Photonic Integrated Circuits, (18 August 2004); doi: 10.1117/12.548977
Show Author Affiliations
Juraj Slovak, Fraunhofer-Institut fur Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)
Carsten Bornholdt, Fraunhofer-Institut fur Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)
Ulrike Busolt, Fraunhofer-Institut fur Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)
Gero Bramann, Fraunhofer-Institut fur Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)
Hans Peter Nolting, Fraunhofer-Institut fur Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)
Bernd Sartorius, Fraunhofer-Institut fur Nachrichtentechnik, Heinrich-Hertz-Institut (Germany)


Published in SPIE Proceedings Vol. 5451:
Integrated Optics and Photonic Integrated Circuits
Giancarlo C. Righini; Seppo Honkanen, Editor(s)

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