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

Numai, T.; Murata, S.; Mito, I.
May 1989
Applied Physics Letters;5/8/1989, Vol. 54 Issue 19, p1859
Academic Journal
We demonstrate a 1.5 μm tunable wavelength filter which uses a newly developed phase-shift-controlled distributed feedback laser diode. A tuning range as wide as 120 GHz (9.5 Å) with 24.5 dB constant gain has been achieved. An 18-channel wavelength selection with less than -10 dB crosstalk is expected with this filter.


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