3.2 - Acoustic wave amplitude modulation of a multimode ring laser

Buholz, N. E.; Chodorow, M.

doi:10.1109/jqe.1967.1074407

Cited by 36 publications

(10 citation statements)

References 4 publications

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“…The isolator in a ring cavity enables only unidirectional operation. On the other hand, mode-locked fiber lasers without an optical isolator inside their cavities can simultaneously generate two pulse trains (bidirectional mode-locking), which are attractive devices for various sensing applications [16].…”

Section: Introductionmentioning

confidence: 99%

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Graphene-based passively mode-locked bidirectional fiber ring laser

Mamidala¹,

Woodward²,

Yang³

et al. 2014

Opt. Express

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We present an all-fiber bidirectional passively mode-locked soliton laser with a graphene-based saturable absorber for the first time to the best of our knowledge. Our design includes a four-port circulator to introduce different sections of cavity for the two counter-propagating pulses, so they have distinct output characteristics. Simultaneous bidirectional operation is achieved by appropriately adjusting the net cavity birefringence and loss. In the clockwise direction, the laser emits ~750 fs pulses at 1561.6 nm, with a repetition rate of 7.68 MHz. In the counter clockwise direction, the central wavelength, pulse width, and repetition rate are 1561.0 nm, ~850 fs, and 6.90 MHz, respectively.

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Section: Introductionmentioning

confidence: 99%

“…The first demonstration of a bidirectional mode-locked laser was given by Buholz and Chodorow [16], subsequently several groups have reported bidirectional mode-locked lasers based on different active media. Recently, Kieu and Mansuripur presented the first all-fiber bidirectional passively mode-locked ring laser at 1.55 μm [17].…”

Section: Introductionmentioning

confidence: 99%

Graphene-based passively mode-locked bidirectional fiber ring laser

Mamidala¹,

Woodward²,

Yang³

et al. 2014

Opt. Express

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“…the directional multiplexing. An all-fiber, bidirectional laser modelocked by a fiber taper embedded in carbon nanotube/polymer composite was first demonstrated in 2008 [4], several decades after the proposal of bidirectional pulsed lasers in the 1960's [5]. In the absence of an intracavity optical isolator, pulses can circulate in either the clock-wise (CW) or counterclock-wise (CCW) direction, and using an 2*2 output coupler the CW and CCW pulse trains can be emitted and separated.…”

Section: Introductionmentioning

confidence: 99%

Dual-Wavelength, Bidirectional Single-Wall Carbon Nanotube Mode-Locked Fiber Laser

Zhao

Zhang

Liu

et al. 2014

IEEE Photon. Technol. Lett.

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A fiber ring laser with a carbon nanotube modelocker that allows bidirectional oscillation is experimentally demonstrated in the L-band. Through leveraging a double-peak intracavity gain spectrum, two pulse trains in two nonoverlapping wavelength bands are shown to counter-propagate in the simple ring cavity. Ultrashort soliton pulses of ∼800 fs or less can be stably generated in both directions. It is also demonstrated that bidirectional operation within one of the wavelength bands can also be achieved with much smaller center wavelength separations by tuning the gain spectrum. The repetition rates of the two pulse trains have a slight difference due to the intracavity dispersion. Thus, the directional-and wavelength-multiplexed output from such a cavity-diversity-enabled ultrafast laser could potentially be leveraged in those applications requiring a dual-comb source.Index Terms-Pulsed lasers, wavelength division multiplexing, optical fiber lasers, diversity methods, carbon nanotube.

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“…Over the past several decades, bidirectional mode-locked lasers have been intensively studied for various sensing applications. In 1967, the first bidirectional mode-locked laser was demonstrated by Buholz and Chodorow [3] as a gyroscopic sensor. Later, various gyroscopes based on mode-locked lasers have been reported.…”

Section: Introductionmentioning

confidence: 99%

Bidirectional operation of a mode-locked fiber laser based on a four-port circulator and two SESAMs

Ouyang

Shum

et al. 2011

2011 International Quantum Electronics Conference (IQEC) and Conference on Lasers and Electro-Optics (CLEO) Pacific Rim Incorpo

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We demonstrate a novel bidirectional fiber laser mode-locked with two semiconductor saturable absorber mirrors (SESAMs) incorporated into the laser cavity through a four-port circulator. The laser allows the generation of two independent countercirculating mode-locked pulse trains, each with individual fundamental repetition. In the experiment, two countercirculating pulse trains, with repetition rate of 21.3 MHz and 15.2 MHz, respectively, are obtained simultaneously. By controlling the intracavity loss imposed on these two pulse trains, either one of the two pulse trains can be switched on or off.

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3.2 - Acoustic wave amplitude modulation of a multimode ring laser

Cited by 36 publications

References 4 publications

Graphene-based passively mode-locked bidirectional fiber ring laser

Graphene-based passively mode-locked bidirectional fiber ring laser

Dual-Wavelength, Bidirectional Single-Wall Carbon Nanotube Mode-Locked Fiber Laser

Bidirectional operation of a mode-locked fiber laser based on a four-port circulator and two SESAMs

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