1987
DOI: 10.1002/ecjb.4420700603
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Simultaneous stabilization of spectral linewidth and oscillation frequency of an external‐cavity laser diode by fiber‐optic ring‐resonators

Abstract: The oscillation spectral linewidth and the oscillation frequency of a laser diode with an external cavity have been stabilized simultaneously with an optical fiber ring resonator used as a spectrum discriminator. Stabilization of the oscillation spectrum linewidth has been carried out with control of the phase of the fed‐back light and the oscillation frequency by control of the injected current. The oscillation spectral linewidth is 2 MHz and its fluctuation is less than 10 kHz p‐p and the equivalent oscillat… Show more

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Cited by 4 publications
(4 citation statements)
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“…For any desired finesse , the transmission curve will have peaks when , where is an integer, with a peak value equal to (7) We shall define the insertion loss, , as the ratio of the optical power without and with the insertion of the optical filter at the peak transmission wavelength, , expressed in dB. Since an optical power is directly proportional to the square of the magnitude of the electric field, the insertion loss, expressed in dB, is given as It can also be seen from (2) that depends on , and .…”
Section: Discussionmentioning
confidence: 99%
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“…For any desired finesse , the transmission curve will have peaks when , where is an integer, with a peak value equal to (7) We shall define the insertion loss, , as the ratio of the optical power without and with the insertion of the optical filter at the peak transmission wavelength, , expressed in dB. Since an optical power is directly proportional to the square of the magnitude of the electric field, the insertion loss, expressed in dB, is given as It can also be seen from (2) that depends on , and .…”
Section: Discussionmentioning
confidence: 99%
“…1(a). For simplicity and without loss of generality, we shall normalize the peak value given by (7) such that . Solving (2) and (7), we have (10) Equation (10) gives the optical gain that is required to maintain a zero insertion loss as a function of , and .…”
Section: Optical Filter With Constant Insertion Lossmentioning
confidence: 99%
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“…Optical semiconductor amplifiers with reduced facet reflectivity are investigated since a number of years [1][2][3][4]. This amplifier type exhibits a smooth gain curve with a superimposed ripple caused by the residual Fabry-Perot resonator.…”
Section: Introductionmentioning
confidence: 99%