Wavelength uniformity in λ/4 shifted DFBlaser array WDMtransmitters
- 28 September 1995
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 31 (20) , 1750-1752
- https://doi.org/10.1049/el:19951202
Abstract
Six-element quarter-wave-shifted DFB arrays have been fabricated using holographic printing with e-beam generated quartz phase masks. A standard deviation of s = 0.18 nm from a uniform WDM channel spacing has been achieved, a dramatic improvement over the values associated with wafer-wide DFB wavelength distributions.Keywords
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