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Authors: D. Van Thourhout, Liming Zhang, Weiguo Yang, Barry Miller, Nick Sauer, Christopher R. Doerr
Title: Compact digitally tunable laser
Format: International Journal
Publication date: 3/2003
Journal/Conference/Book: IEEE Photonics Technology Letters
Editor/Publisher: IEEE, 
Volume(Issue): 15(2) p.182-184
Internal Reference: [N-230]
Download: Download this Publication (765KB) (765KB)

Abstract

We present a new design for a digitally tunable laser
using two waveguide grating routers with different free spectral range. For an -channel device, both the number of required amplifiers and the number of required grating arms scale as the square root of , resulting in a more compact device than previously
demonstrated and better scaleability. Contrary to previously demonstrated devices with a reduced number of amplifiers, all wavelength channels are multiplexed together in one common channel, allowing for a higher output power. Tuning speeds below 10 ns are envisioned. Experimental results are presented.


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