Journal ArticleDOI
A photonic wavelength-division switching system using tunable laser diode filters
TLDR
In this article, a photonic wavelength-division switching system using semiconductor tunable wavelength filters is proposed, and the potential of 100 wavelength division channels in such switching systems is estimated, based on InP optical integrated circuits.Abstract:
A photonic wavelength-division switching system using semiconductor tunable wavelength filters is proposed. A switching system using wavelength switches and multistage switching networks is discussed. A crucial point in developing this switching system is to achieve a large number of wavelength-division channels. The potential of 100 wavelength-division channels in such switching systems is estimated, based on InP optical integrated circuits. A wavelength network synchronization which permits the network to utilize such a large number of wavelength-division channels without wavelength misalignment and drift is proposed. An eight-channel wavelength-division switching experiment, using phase-shift-controlled distributed feedback laser diodes as tunable wavelength filters, is reported. >read more
Citations
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Journal ArticleDOI
Multiwavelength lightwave networks for computer communication
TL;DR: The different approaches being considered to build high-capacity lightwave networks are described, showing that broadcast-and-select networks may be more suitable for local area networks and metropolitan area networks, while wavelength-routing networks are suitable for wide area networks (WANs).
Journal ArticleDOI
Network performance and integrity enhancement with optical path layer technologies
TL;DR: The optical path layer concept proposed exploits and consolidates the layered transport network architecture and optical technologies, and will open up new opportunities for creating a B-ISDN that is bandwidth abundant and has a high degree of integrity.
Journal ArticleDOI
Optical networking update
TL;DR: An inventory of the current state and future prospects for networks in which signal paths between end user nodes remain entirely in optical form without intervening electronic conversions is presented, with an emphasis on wavelength-division multiplexing (WDM).
Journal ArticleDOI
Lightwave lattice filters for optically multiplexed communication systems
TL;DR: In this paper, the etalons are interpreted as discrete-time lattice filters, and z-transform techniques are used to recursively synthesize filters with desirable properties, such as notch, channel blocking, filters and flat-top bandpass, or channel passing.
Journal ArticleDOI
THz optical-frequency conversion of 1 Gb/s-signals using highly nondegenerate four-wave mixing in an InGaAsP semiconductor laser
TL;DR: In this paper, the highly nondegenerate four-wave mixing (HNDFWM) process was applied to a 1.5- mu m InGaAsP semiconductor laser in optical-frequency conversion experiments on 1-Gb/s intensity-modulated signals in a 1-THz conversion range.
References
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Journal ArticleDOI
Wavelength variation of 1.6 µm wavelength buried heterostructure GaInAsP/InP lasers due to direct modulation
TL;DR: In this article, a GaInAsP/InP BH laser emitting a nominal wavelength of 1.61 μm was modulated by a sinusoidal current at frequencies in the range of 0.2-2 GHz.
Journal ArticleDOI
Electric-field-induced refractive index variation in quantum-well structure
TL;DR: In this article, the refractive index variation in a quantum-well structure by an electric field is given theoretically, and the calculated variation is?1% for an applied field of 3.1×105 V/cm in a 300 A-thick GaInAsP/InP single quantum well, which is about 39 times larger than the bulk value.
Journal ArticleDOI
Switching characteristics of laser diode switch
TL;DR: In this article, the authors studied the switching characteristics for laser diode switches controlled by the forward injection current and found that the turn-on response time is determined mainly by the space charge capacitance and was seen typically to be ten times the carrier lifetime.
Journal ArticleDOI
Anisotropic electroabsorption and optical modulation in InGaAs/InAlAs multiple quantum well structures
TL;DR: In this paper, the first measurements of large anistropic electroabsorption and modulation of long-wavelength light propagating along the plane of InGaAs/InAlAs multiple quantum well (MQW) structures grown by molecular beam epitaxy (MBE) are reported.
Journal ArticleDOI
Frequency stabilisation of FDM optical signals
B. Glance,P.J. Fitzgerald,K.J. Pollack,Julian Stone,Charles A. Burrus,Gadi Eisenstein,L.W. Stulz +6 more
TL;DR: In this article, the frequency confinement of FDM optical signals to a comb of equally spaced frequencies has been demonstrated by locking the frequencies of three optical sources to three different resonances of a fiber Fabry-Perot resonator.