Optical 40 GHz pulse source module based on a monolithically integrated mode locked DBR laser

B. Huettl; R. Kaiser; M. Kroh; C. Schubert; G. Jacumeit; H. Heidrich

doi:10.1117/12.634014

2 December 2005 Optical 40 GHz pulse source module based on a monolithically integrated mode locked DBR laser

B. Huettl, R. Kaiser, M. Kroh, C. Schubert, G. Jacumeit, H. Heidrich

Proceedings Volume 6020, Optoelectronic Materials and Devices for Optical Communications; 602027 (2005) https://doi.org/10.1117/12.634014
Event: Asia-Pacific Optical Communications, 2005, Shanghai, China

Abstract

In this paper the performance characteristics of compact optical 40 GHz pulse laser modules consisting of a monolithic mode-locked MQW DBR laser on GaInAsP/InP are reported. The monolithic devices were fabricated as tunable multi-section buried heterostructure lasers. A DBR grating is integrated at the output port of an extended cavity in order to meet the standardized ITU wavelength channels allocated in the spectral window around 1.55 μm in optical high speed communication networks. The fabricated 40 GHz lasers modules not only emit short optical pulses (< 1.5 ps) with very low amplitude noise (<1.5 %) and phase noise levels (timing jitter: 50 fs) but also enable good pulse-to-pulse phase and long-term stability. A wavelength tuning range of 6 nm is possible and large locking bandwidths between 100 ... 260 MHz are observed. All data have been achieved by operating the lasers in a hybrid mode-locking scheme with a required minimum micro-wave power of only 12 dBm for pulse synchronization. Details on laser chip architecture and module performance are summarized and the results of a stable and error free module performance in first 160 Gb/s (4 x 40 Gb/s OTDM) RZ-DPSK transmission experiments are presented.

Citation Download Citation

B. Huettl, R. Kaiser, M. Kroh, C. Schubert, G. Jacumeit, and H. Heidrich "Optical 40 GHz pulse source module based on a monolithically integrated mode locked DBR laser", Proc. SPIE 6020, Optoelectronic Materials and Devices for Optical Communications, 602027 (2 December 2005); https://doi.org/10.1117/12.634014

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