Theoretical analysis of timing jitter in monolithic multisection mode-locked DBR laser diodes

B. Zhu; I. H. White; R. V. Penty; A. Wonfor; E. Lach; H. D. Summers

doi:10.1109/3.594887

Theoretical analysis of timing jitter in monolithic multisection mode-locked DBR laser diodes

B. Zhu, I. H. White, R. V. Penty, A. Wonfor, E. Lach, H. D. Summers

Vice Chancellor's Office

Research output: Contribution to journal › Article › peer-review

14 Citations (Scopus)

Abstract

We present a theoretical analysis of the timing jitter in monolithic multisection mode-locked DBR lasers which is shown to agree well with experimental measurements. The analysis uses a traveling-wave equation model with Langevin spontaneous emission noise and includes the important physical effects of gain nonlinearities, self-phase modulation, and the presence of DBR filtering. It is found that spontaneous noise limits low-jitter operation. The impact of frequency detuning on the timing jitter is studied and the effects of laser parameters, such as linewidth enhancement factor and gain section length, are discussed for achieving low-jitter pulses.

Original language	English
Pages (from-to)	1216-1220
Number of pages	5
Journal	IEEE Journal of Quantum Electronics
Volume	33
Issue number	7
DOIs	https://doi.org/10.1109/3.594887
Publication status	Published - 1 Jul 1997

Keywords

Mode-locked semiconductor lasers
Short pulse generation
Timing jitter

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/3.594887

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AU - White, I. H.

AU - Penty, R. V.

AU - Wonfor, A.

AU - Lach, E.

AU - Summers, H. D.

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AB - We present a theoretical analysis of the timing jitter in monolithic multisection mode-locked DBR lasers which is shown to agree well with experimental measurements. The analysis uses a traveling-wave equation model with Langevin spontaneous emission noise and includes the important physical effects of gain nonlinearities, self-phase modulation, and the presence of DBR filtering. It is found that spontaneous noise limits low-jitter operation. The impact of frequency detuning on the timing jitter is studied and the effects of laser parameters, such as linewidth enhancement factor and gain section length, are discussed for achieving low-jitter pulses.

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