Reflective duplexer based on silicon micromechanics for fiber-optic communication

In this paper, we report on a passive duplexer based on reflective modulation for single-mode fibers. The component integrates a silicon micromechanical modulator and a photoreceiver in a hybrid assembly. Fabricated by the silicon micromachining technology reflective modulators allow a considerable...

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Bibliographic Details
Published in:Journal of lightwave technology 1999-01, Vol.17 (1), p.115-122
Main Authors: Marxer, C., Gretillat, M.-A., de Rooij, N.F., Battig, R., Anthamatten, O., Valk, B., Vogel, P.
Format: Article
Language:English
Subjects:
Applied sciences
Assembly
Circuit properties
Costs
Duplexers
Electric, optical and optoelectronic circuits
Electronics
Exact sciences and technology
Fiber optics
Frequency
Insertion loss
Integrated optics. Optical fibers and wave guides
Light sources
Links
Micromachining
Micromechanical devices
Modulation
Modulators
Noise levels
Optical and optoelectronic circuits
Optical fiber polarization
Optical fibers
Optical modulation
Silicon
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
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Summary:In this paper, we report on a passive duplexer based on reflective modulation for single-mode fibers. The component integrates a silicon micromechanical modulator and a photoreceiver in a hybrid assembly. Fabricated by the silicon micromachining technology reflective modulators allow a considerable cost reduction of single mode fiber-optic links as compared to systems operating with active light sources at both link terminals. The micromechanical modulator is characterized by a low insertion loss of less than 3 dB and polarization insensitivity. The ON-OFF ratio is typically 9 dB over a wavelength range from 1260 to 1360 nm. The operation frequency is limited by the mechanical movement of the modulator membrane to 1.3-2 MHz. We report on the characterization of fully packaged duplexer components.
ISSN:0733-8724
1558-2213
DOI:10.1109/50.737430