Optical bistability in side-mode injection locked dual-mode Fabry-Pérot laser diode | Zendy

Jian Wu | Zendy; Bikash Nakarmi | Zendy; Tran Quoc Hoai | Zendy; Yong Hyub Won | Zendy

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Optical bistability in side-mode injection locked dual-mode Fabry-Pérot laser diode

Author(s) -

Jian Wu,

Bikash Nakarmi,

Tran Quoc Hoai,

Yong Hyub Won

Publication year - 2013

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4818274

Subject(s) - fabry–pérot interferometer , optical bistability , bistability , optics , laser , lasing threshold , materials science , optoelectronics , diode , semiconductor laser theory , oscillation (cell signaling) , distributed feedback laser , laser diode , physics , nonlinear optics , chemistry , biochemistry

In this paper, optical bistability characteristics are demonstrated experimentally based on a dual-mode laser system comprising a multi-mode Fabry-Pérot laser diode (MMFP-LD) and a built-in feedback cavity formed by a fiber facet. The results show that two lasing modes with frequency separation of ∼0.58 THz and comparable peak powers can be achieved by judicious adjustment of the bias current and the operating temperature of the laser chip, which has a peak fluctuation of less than ∼1 dBm over a measurement period of one hour. A combination of appropriate external injection power and wavelength detuning can result in remarkable optical bistability in two oscillation modes, in which the resulting contrast ratio between the unlocked and locked states can be up to 30 dB, and the corresponding hysteresis loop width can be changed by controlling the side-mode injection power and the wavelength detuning

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