Journal ArticleDOI
Laser linewidth measurements using self-homodyne detection with short delay
TLDR
In this paper, the authors compare delayed self-homodyne and self-heterodyne detection in the case of a time delay of the order of the coherence time of the laser.About:
This article is published in Optics Communications.The article was published on 1998-10-01. It has received 191 citations till now. The article focuses on the topics: Laser linewidth & Homodyne detection.read more
Citations
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Journal ArticleDOI
Heterogeneous Silicon Photonic Integrated Circuits
Tin Komljenovic,Michael L. Davenport,Jared Hulme,Alan Y. Liu,Christos T. Santis,Alexander Spott,Sudharsanan Srinivasan,Eric J. Stanton,Chong Zhang,John E. Bowers +9 more
TL;DR: The impact active silicon photonic integrated circuits could have on interconnects, telecommunications, sensors, and silicon electronics is reviewed in this article, where the authors present a review of recent breakthroughs in the Silicon photonic technology and components.
Journal ArticleDOI
Laser soliton microcombs heterogeneously integrated on silicon
Chao Xiang,Junqiu Liu,Joel Guo,Lin Chang,Rui Ning Wang,Wenle Weng,Jonathan D. Peters,Weiqiang Xie,Zeyu Zhang,Johann Riemensberger,Jennifer Selvidge,Tobias J. Kippenberg,John E. Bowers +12 more
TL;DR: In this article, the authors report heterogeneously integrated laser soliton microcombs combining both indium phospide/silicon (InP/Si) semiconductor lasers and ultralow-loss silicon nitride (Si3N4) microresonators on a monolithic silicon substrate.
Journal ArticleDOI
Frequency noise characterisation of narrow linewidth diode lasers
TL;DR: In this paper, a phase-locked loop frequency discriminator based on a single low-cost integrated circuit is proposed to measure the frequency noise spectrum of a laser directly and in detail and is insensitive to intensity fluctuations.
Journal ArticleDOI
Phase noise measurement of a narrow linewidth CW laser using delay line approaches
TL;DR: Two different laser phase noise measurement techniques are compared and an extraction of the laser linewidth using computer-aided design tools is performed, confirming the interest of the low-cost technique.
Journal ArticleDOI
A novel erbium/ytterbium co-doped distributed feedback fiber laser with single-polarization and unidirectional output
TL;DR: In this paper, an asymmetrical π-phase-shift distributed feedback (DFB) fiber laser written in erbium/ytterbium co-doped fiber is fabricated and a self-injection locking method is employed to make the proposed DFB fiber laser operate in single polarization states.
References
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Journal ArticleDOI
Novel method for high resolution measurement of laser output spectrum
TL;DR: In this paper, the authors proposed a method by which 50 kHz resolution can be obtained for measuring the spectrum of stabilised semiconductor laser with high spectral spread, and the principle, experimental set up and results are described.
ReportDOI
1/F Frequency Noise Effects on Self-Heterodyne Linewidth Measurements for Coherent Communications
TL;DR: In this article, the autorcorrelation function and power spectrum of the self-heterodyne photocurrent were developed in terms of an arbitrary frequency noise. And the effect of 1/f frequency noise on the detection performance was analyzed and the results were applied to the problem of laser diode-linewidth measurement.
Journal ArticleDOI
1/f frequency noise effects on self-heterodyne linewidth measurements
TL;DR: In this paper, the effects of a 1/f frequency noise on self-heterodyne detection were described, and the results were applied to the problem of laser diode linewidth measurement.
Journal ArticleDOI
Dependence of semiconductor laser linewidth on measurement time: evidence of predominance of 1/f noise
Kazuro Kikuchi,T. Okoshi +1 more
TL;DR: In this article, the authors measured the linewidths of 1.3 µm InGaAsP lasers using delayed self-heterodyne set-ups with two different delay-line lengths, i.e. with two equivalent measurement times.
Journal ArticleDOI
Factors limiting the spectral linewidth of CPM-MQW-DFB lasers
TL;DR: In this paper, a CPM-MQW-DFB (corrugation-pitch-modulated multiquantum-well distributed feedback) laser at an output power of 25 mW was used to achieve a spectral linewidth of 56 kHz.