Quantum dash based directly modulated lasers for long-reach access networks

Quantum dash based directly modulated lasers for long-reach access networks

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An innovative 10 Gbit/s single mode optical transmitter with the capacity of error-free transmission is demonstrated in the range of 0–100 km with constant biasing conditions by using a quantum dash directly modulated laser. A commercially available etalon filter is used as a passive optical filter to achieve penalty-free transmission with a dynamic extinction ratio >6 dB over a large range of fibre spans.


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      • 8. Lelarge, F., Brenot, R., Rousseau, B., et al: ‘Effect of p-doping on temperature and dynamic performances of 1550 nm InAs/InP quantum dash based lasers’. IEEE Int. Conf. Indium Phosphide and Related Materials’, Newport Beach, CA, USA, May 2009, ThB1.6, pp. 383386.
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      • 11. Chimot, N., Joshi, S., Aubin, G., et al: ‘1550 nm InAs/InP quantum dash based directly modulated lasers for next generation passive optical network’. Indium Phosphide and Related Materials (IPRM), Santa Barbara, CA, USA, August 2012, pp. 177180.
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