1.5 μm tunable wavelength filter with wide tuning range and high constant gain using a phase-controlled distributed feedback laser diode

Numai, T.; Murata, S.; Mito, I.
September 1988
Applied Physics Letters;9/26/1988, Vol. 53 Issue 13, p1168
Academic Journal
We demonstrate a 1.5 μm tunable wavelength filter which uses a phase-controlled distributed feedback laser diode. Tuning range as wide as 43 GHz (3.4 Å) with 27 dB constant gain has been achieved. A five-channel wavelength selection with less than -10 dB crosstalk is expected with this filter.


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