Bistability in an injection locked two color laser with dual injection

Heinricht, Patrycja; Wetzel, Benjamin; O’Brien, Stephen; Amann, Andreas; Osborne, S.

doi:10.1063/1.3605584

Cited by 21 publications

(18 citation statements)

References 12 publications

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“…In particular, we demonstrate the existence of a bistability between GS emission and ES emission and consequent hysteresis in the lasing output revealed by sweeping the power of the ML up and down, close to the wavelength of the GS. Hysteresis and bistability often play an important role in optically injected lasers as has been demonstrated for different device configurations and materials [13][14][15][16].…”

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confidence: 99%

Optically induced hysteresis in a two-state quantum dot laser

et al. 2016

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Quantum dot lasers can lase from the ground state only, simultaneously from both the ground and first excited states and from the excited state only. We examine the influence of optical injection at frequencies close to the ground state when the free-running operation of the device is excited state lasing only. We demonstrate the existence of an injection-induced bistability between ground state dominated emission and excited state dominated emission and the consequent hysteresis loop in the lasing output. Experimental and numerical investigations are in excellent agreement. Inhomogeneous broadening is found to be the underlying physical mechanism driving the phenomenon.

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confidence: 99%

Optically induced hysteresis in a two-state quantum dot laser

et al. 2016

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“…Dual-mode laser systems have attracted considerable attention because of their numerous potential applications, including terahertz frequency generation, [1][2][3][4][5] THz imaging, 6 microwave/millimeter wave generation, [7][8][9][10] optical memory, [11][12][13][14] dual-wavelength interferometry, [15][16][17] and optical switching. 18 To date, many techniques have been proposed and experimentally demonstrated to successfully produce dual-mode lasing operation, [19][20][21][22][23][24] and among these, multi-mode Fabry-Pérot laser diode (MMFP-LD) based devices are worthy of extensive investigation because of their rich variety of nonlinear phenomena, cost effectiveness, low power consumption and low threshold current.…”

Section: Introductionmentioning

confidence: 99%

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

Nakarmi

Hoai

et al. 2013

AIP Advances

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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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“…As a basic element for optical switches, bistable semiconductor lasers (SLs) have been intensively studied for decades. Optically injected SLs demonstrate multiple effects of bistability and hysteresis for both single-mode [2,3] and multimode devices [4]. Switches in optically injected multimode lasers have been investigated in [5].…”

Section: Introductionmentioning

confidence: 99%