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Multicolor single-wavelength sources generated by a monolithic colliding pulse mode-locked quantum well laser

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5 Author(s)
Chen, Y.K. ; AT&T Bell Lab., Murray Hill, NJ, USA ; Wu, M.C. ; Tanbun-Ek, T. ; Logan, R.A.
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The authors report on the separation of single longitudinal modes from the mode-locked program spectrum of a 300-GHz monolithic colliding pulse mode-locked (CPM) semiconductor quantum-well laser. Experimentally, the selected longitudinal mode shows a 10-dB reduction of low-frequency relative intensity noise compared to that of the selected mode from the same laser in continuous-wave (CW) lasing conditions. The strong phase coherence among the passively mode-locked longitudinal modes reduces the partition noise of the unlocked CW laser.<>

Published in:

Photonics Technology Letters, IEEE  (Volume:3 ,  Issue: 11 )