Study of extra wide coherent optical combs generated by a QW-based integrated passively mode-locked ring laser

V. Moskalenko; J. Koelemeij; K.A. Williams; E.A.J.M. Bente

doi:10.1364/OL.42.001428

Study of extra wide coherent optical combs generated by a QW-based integrated passively mode-locked ring laser

V. Moskalenko, J. Koelemeij, K.A. Williams, E.A.J.M. Bente

Photonic Integration

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Abstract

We present an investigation of an InP quantum-well-based integrated extended cavity passively mode-locked laser which shows extra broad frequency comb generation. The ring laser was characterized in frequency and time domains for a range of the current levels injected in the semiconductor optical amplifier. The study showed an increase of the bandwidth to over 40 nm at the -20 dB level. The coherence between the longitudinal modes in the wide comb is demonstrated by the characterization of a spectrally filtered signal in time and RF domains. The relative time delay across the optical comb was measured.

Original language	English
Pages (from-to)	1428-1431
Number of pages	4
Journal	Optics Letters
Volume	42
Issue number	7
DOIs	https://doi.org/10.1364/OL.42.001428
Publication status	Published - 1 Apr 2017

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abstract = "We present an investigation of an InP quantum-well-based integrated extended cavity passively mode-locked laser which shows extra broad frequency comb generation. The ring laser was characterized in frequency and time domains for a range of the current levels injected in the semiconductor optical amplifier. The study showed an increase of the bandwidth to over 40 nm at the -20 dB level. The coherence between the longitudinal modes in the wide comb is demonstrated by the characterization of a spectrally filtered signal in time and RF domains. The relative time delay across the optical comb was measured.",

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AU - Bente, E.A.J.M.

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AB - We present an investigation of an InP quantum-well-based integrated extended cavity passively mode-locked laser which shows extra broad frequency comb generation. The ring laser was characterized in frequency and time domains for a range of the current levels injected in the semiconductor optical amplifier. The study showed an increase of the bandwidth to over 40 nm at the -20 dB level. The coherence between the longitudinal modes in the wide comb is demonstrated by the characterization of a spectrally filtered signal in time and RF domains. The relative time delay across the optical comb was measured.

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Study of extra wide coherent optical combs generated by a QW-based integrated passively mode-locked ring laser

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