Figure 6.

The phase time as a function of the Bragg gratings separation. (a) The phase time as a function of the separation a between two Bragg gratings, for incident λ=1,542 nm, kB=6.1074/μm, n0=1.452, n1/n0=1.8×10−4, and Lo=8.5 mm. (b, c) The PT is plotted as a function of ω, for a=42 mm. The phase time in (b) is the same as that in (c) but plotted from 0 to 10 ns to compare with Figure 2 in [10]. Arrows indicate the as in [10].

Simanjuntak and Pereyra Nanoscale Research Letters 2013 8:145   doi:10.1186/1556-276X-8-145
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