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Proposal of novel gain-levered MQW DFB laser with high and red-shifted FM response

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4 Author(s)
Olesen, H. ; NEC Corp., Tsukuba, Japan ; Jong-In Shim ; Yamaguchi, M. ; Kitamura, M.

A gain-levered multiple quantum well (MQW) distributed feedback (DFB) laser with high FM efficiency is discussed. The device consists of three sections with different bandgap energy. It can be fabricated by a selective area metalorganic vapor phase epitaxy (MOVPE) growth technique. Numerical analysis shows that a flat, red-shifted, and high FM efficiency of above 1 GHz/mA at 20-mW output power can be realized using the gain levering scheme.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:5 ,  Issue: 6 )

Date of Publication:

June 1993

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