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2 October 2006 Isolator-free DFB laser diode operating in feedback regime V
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Proceedings Volume 6389, Active and Passive Optical Components for Communications VI; 63891F (2006) https://doi.org/10.1117/12.707902
Event: Optics East 2006, 2006, Boston, Massachusetts, United States
Abstract
A DFB laser diode is forced to operate in feedback Regime V by omitting the laser isolator and using an extended cavity mode. The DFB laser diode is coupled to a Fiber Bragg Grating (FBG) that has a reflectivity based on parameters extracted from optical back-reflection measurements. A stable wavelength, narrow linewidth and low relative intensity noise (RIN) were obtained using the proposed configuration. A DFB diode laser coupled to the FBG achieved a RIN level of (-158.5 dB/Hz) at a 1 GHz frequency offset, comparable to results obtained for a DFB diode laser with an isolator (-157.9 dB/Hz), for the same average optical power (5.1 dBm) at 1310 nm.
© (2006) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Ayman Mokhtar, Leonard MacEachern, and Samy Mahmoud "Isolator-free DFB laser diode operating in feedback regime V", Proc. SPIE 6389, Active and Passive Optical Components for Communications VI, 63891F (2 October 2006); https://doi.org/10.1117/12.707902
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