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A Monolithic All-Optical Push–Pull Wavelength Converter

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4 Author(s)
Summers, J.A. ; California Univ., Santa Barbara ; Masanovic, M.L. ; Lal, V. ; Blumenthal, D.J.

We present the first two-stage all-optical push-pull wavelength converter, which has been monolithically integrated in indium phosphide, using an offset quantum-well platform. The device incorporates two cascaded wavelength converters, each with an integrated tunable sampled-grating distributed Bragg reflector laser, and deeply etched total internal reflection mirrors for a compact layout. The device, under push-pull operation, is demonstrated to reduce converted signal pattern dependence at 10 Gb/s, while providing improved phase swing compared to previous offset quantum-well designs. The device is shown to achieve full pi phase swing in the second-stage wavelength converter over a 12-dB input power range.

Published in:

Photonics Technology Letters, IEEE  (Volume:19 ,  Issue: 21 )