Spectral Characteristics of Semiconductor Lasers with Optical Feedback

Goldberg, L.; Taylor, Henry F.; Dandridge, A.; Weller, J. F.; Miles, R. O.

doi:10.1109/tmtt.1982.1131081

Cited by 45 publications

(25 citation statements)

References 13 publications

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“…The general shape of the linewidth, measured with the baseband method and viewed over a broad span, consisted of a main (baseband) peak and several other peaks. Similar peaks in the displayed linewidth have also been previously observed when ~e laser emission is measured with a delayed self-heterodyne fiber interferometer [6]. Peaks were also present in the intensity noise spectrum of the laser [27], [29], [30], [33]-[37].…”

Section: Methodssupporting

confidence: 73%

“…5(a). However, since the height of the main peak is distorted when viewed with the baseband method, the SR was actually measured with the gated-sinewave method with the electrical spectrum analyzer set for a span of several tens of MHz, so that the main peak [6,9,30,[35][36][37][38][39]. and successive peaks were displayed on one screen.…”

Section: Methodsmentioning

confidence: 99%

“…The effects of the phase of the optical feedback in this experiment will be discussed next. It has been previously reported [5], [6], [81, [91, [141, [151, [19] that it is necessary to adjust the phase of the optical …”

Section: Methodsmentioning

confidence: 99%

“…Linewidths of hundreds of kHz tens of kHz 131,[41,191,[lo], [191-[221, [24], or even less [ll], [12], [25] have been reported for these external-cavity lasers. Almost all the reports have involved either a Fabry-Perot semiconductor laser [4]- [6], [8]- [ 101, [12], [15]-[19], [24], [25] or a DFB semiconductor laser [2], [31, 181, [131, 1141, [20]- [22] as the active element. A DBR semiconductor laser as the active element was also reported in one paper [22].…”

Section: Introductionmentioning

confidence: 99%

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Characteristics of linewidth-narrowed distributed Bragg reflector lasers with a fiber external cavity formed with the vertical grating emission

Cook

Hendricks

1995

J. Lightwave Technol.

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Abstract-Linewidth reduction has been observed in a distributed Bragg reflector (DBR) laser with a second-order grating when an external cavity is formed with the vertical emission. The external cavity consists of a length of optical fiber which is brought close to the top of the laser. Displayed linewidths as low as 26 kHz have been measured. To the authors' knowledge, this is the first report of hewidth reduction via vertical emission from a laser diode.

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Section: Methodssupporting

confidence: 73%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

Characteristics of linewidth-narrowed distributed Bragg reflector lasers with a fiber external cavity formed with the vertical grating emission

Cook

Hendricks

1995

J. Lightwave Technol.

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“…For instance, it has been shown that the operation frequency of a DL can be locked to one of the external-cavity modes allowing for a linewidth reduction [5]. However, direct applications would require a precise mechanical and thermal control of the external cavity in order to achieve longterm stability, which is difficult.…”

Section: Introductionmentioning

confidence: 99%

Experimental and theoretical study of filtered optical feedback in a semiconductor laser

Fischer

Andersen

Yousefi

et al. 2000

IEEE J. Quantum Electron.

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Abstract-We report on the systematical investigation of the steady-state regime and the dynamical behavior of a semiconductor laser subject to delayed filtered optical feedback. We study a Fabry-Perot (FP) interferometer type of filter placed in the external feedback loop of a diode laser. The effects of the filter on the locking of the diode laser frequency to the external cavity modes are described. We report and observe hysteresis, bistability, and multistability and show that all these are well described by a set of rate equations for the coupled laser and FP cavity system. We also present an experimental stability diagram that summarizes the dynamical behavior of the system.

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Generation of microwave signals from a laser diode coupled to an external cavity

Arora

1989

Micro & Optical Tech Letters

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This article describes a technique by which a laser diode coupled with an external cavity is used in an interferometric system resulting in a direct envelope modulation of the optical carrier. The laser output is fed to a Mach‐Zehnder interferometer in which the time delay associated with the path imbalance is adjusted to half the time period Tm of the modulating sawtooth current. The two signals are heterodyned to simulate an envelope modulated optical signal.

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Spectral Characteristics of Semiconductor Lasers with Optical Feedback

Cited by 45 publications

References 13 publications

Characteristics of linewidth-narrowed distributed Bragg reflector lasers with a fiber external cavity formed with the vertical grating emission

Characteristics of linewidth-narrowed distributed Bragg reflector lasers with a fiber external cavity formed with the vertical grating emission

Experimental and theoretical study of filtered optical feedback in a semiconductor laser

Generation of microwave signals from a laser diode coupled to an external cavity

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