5 Gbit/s direct optical DPSK modulation of a 1530-nm DFB laser
Journal Article
·
· IEEE Photonics Technology Letters; (USA)
- Bellcore, Red Bank, NJ (US)
In this paper 5 Gbit/s direct optical differential-phase-shift-keying (DPSK) modulation of a 1530-nm distributed feedback laser is demonstrated using injection current modulation with a bipolar signal format. There was no degradation of the optical DPSK signal due to thermal frequency modulation of the laser. This direct DPSK modulation technique avoids the insertion loss and systems complexity of external DPSK modulators.
- OSTI ID:
- 5419178
- Journal Information:
- IEEE Photonics Technology Letters; (USA), Vol. 1:8; ISSN 1041-1135
- Country of Publication:
- United States
- Language:
- English
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