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We present a theoretical model supported by experiments showing that diode lasers having large gains with a small signal modulation which is limited by gain compression, can be modulated digitally at very high bit rates.
The unique properties of quantum dots (QDs) as gain material for semiconductor lasers result in advantageous characteristics like high temperature stability, low noise, low feedback sensitivity and low chirp. Their low internal losses make QD based devices suitable for high-speed telecommunication applications. Increase of data transmission rate by wavelength division multiplexing techniques requires...
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