Staas & Halsey LLP
Device and system for waveform shaping
The present invention relates to a device and system for waveform shaping. The device includes at least two nonlinear loop mirrors (NOLM1 and NOLM2). Each of the NOLM1 and the NOLM2 includes a first optical coupler including first and second optical paths and directionally coupled to each other, a loop optical path formed of a nonlinear optical medium for connecting the first and second optical paths, and a second optical coupler including a third optical path directionally coupled to the loop optical path. The second optical path of the NOLM1 is optically connected to the third optical path of the NOLM2. 
Fujitsu Limited
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Shigeki
Watanabe