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Continuous mode-hop free scanning from 1520 to 1570 nm using a compact, environmentally robust MEMS-tuned external cavity semiconductor laser at a rate of 0.4 Hz gives monotonic scans with frequency jitter below 2 MHz
20mW C- or L-band ECLs using silicon MEMS electrostatic actuators tune over 5 THz, locking to 25 GHz channels with ±1.25 GHz accuracy and giving DFB-like system performance over a range of environmental conditions.
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