Integrated optical cross strip interferometer

Manfred Lohmeyer, Remco Stoffer, Ludger Wilkens, Horst Dötsch

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

    Abstract

    A thick, bimodal segment of specific length and height between two single mode sections of a planar waveguide can serve as an integrated optical interferometer. It is realized by etching a wide strip form a guiding film. A vertically guided, laterally unguided beam of light is then made to traverse the strip perpendicularly. For a wide range of materials the structure can be dimensioned such that it shows the proper behavior of an interferometer: depending on the phase gain of the two modes in the thick region, the guided light interferes either almost completely destructively at the transition to the output segment, i.e. the power is radiated away into the substrate and cover regions, or constructively, i.e. most of the power passes the device. We believe that for certain applications structures of this kind can be a simple substitute for instruments like Mach-Zehnder interferometers or directional couplers. This is illustrated by two numerically simulated examples: A polarizer constructed from silicon based waveguides, which offers 30 dB polarization discrimination and 0.1 dB insertion loss with a total length of only 10 micrometers, and a proposal for an integrated magneto optic isolator experiment, where the freedom in the lateral direction can be exploited for a proper tuning of the device.
    Original languageEnglish
    Title of host publicationIntegrated Optics Devices V
    EditorsGiancarlo C. Righini, Seppo Honkanen
    Place of PublicationBellingham, WA
    PublisherSPIE
    Pages230-241
    ISBN (Print)0-8134-3955-X
    DOIs
    Publication statusPublished - 20 Jan 2001
    EventSPIE Symposium on Integrated Optics 2001 - San Jose, United States
    Duration: 20 Jan 200126 Jan 2001

    Publication series

    NameProceedings of SPIE
    PublisherSPIE
    Volume4277

    Conference

    ConferenceSPIE Symposium on Integrated Optics 2001
    CountryUnited States
    CitySan Jose
    Period20/01/0126/01/01

    Fingerprint

    strip
    interferometers
    waveguides
    isolators
    directional couplers
    magneto-optics
    Mach-Zehnder interferometers
    polarizers
    insertion loss
    couplers
    discrimination
    proposals
    micrometers
    tuning
    etching
    substitutes
    output
    silicon
    polarization

    Keywords

    • METIS-200500
    • EWI-13970
    • IR-65083
    • polarizer device
    • magnetooptic isolator
    • waveguide interferometer
    • Integrated Optics

    Cite this

    Lohmeyer, M., Stoffer, R., Wilkens, L., & Dötsch, H. (2001). Integrated optical cross strip interferometer. In G. C. Righini, & S. Honkanen (Eds.), Integrated Optics Devices V (pp. 230-241). (Proceedings of SPIE; Vol. 4277). Bellingham, WA: SPIE. https://doi.org/10.1117/12.426799
    Lohmeyer, Manfred ; Stoffer, Remco ; Wilkens, Ludger ; Dötsch, Horst. / Integrated optical cross strip interferometer. Integrated Optics Devices V. editor / Giancarlo C. Righini ; Seppo Honkanen. Bellingham, WA : SPIE, 2001. pp. 230-241 (Proceedings of SPIE).
    @inproceedings{eb061589bb964dc0ba4ac8b14ea71d92,
    title = "Integrated optical cross strip interferometer",
    abstract = "A thick, bimodal segment of specific length and height between two single mode sections of a planar waveguide can serve as an integrated optical interferometer. It is realized by etching a wide strip form a guiding film. A vertically guided, laterally unguided beam of light is then made to traverse the strip perpendicularly. For a wide range of materials the structure can be dimensioned such that it shows the proper behavior of an interferometer: depending on the phase gain of the two modes in the thick region, the guided light interferes either almost completely destructively at the transition to the output segment, i.e. the power is radiated away into the substrate and cover regions, or constructively, i.e. most of the power passes the device. We believe that for certain applications structures of this kind can be a simple substitute for instruments like Mach-Zehnder interferometers or directional couplers. This is illustrated by two numerically simulated examples: A polarizer constructed from silicon based waveguides, which offers 30 dB polarization discrimination and 0.1 dB insertion loss with a total length of only 10 micrometers, and a proposal for an integrated magneto optic isolator experiment, where the freedom in the lateral direction can be exploited for a proper tuning of the device.",
    keywords = "METIS-200500, EWI-13970, IR-65083, polarizer device, magnetooptic isolator, waveguide interferometer, Integrated Optics",
    author = "Manfred Lohmeyer and Remco Stoffer and Ludger Wilkens and Horst D{\"o}tsch",
    year = "2001",
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    Lohmeyer, M, Stoffer, R, Wilkens, L & Dötsch, H 2001, Integrated optical cross strip interferometer. in GC Righini & S Honkanen (eds), Integrated Optics Devices V. Proceedings of SPIE, vol. 4277, SPIE, Bellingham, WA, pp. 230-241, SPIE Symposium on Integrated Optics 2001, San Jose, United States, 20/01/01. https://doi.org/10.1117/12.426799

    Integrated optical cross strip interferometer. / Lohmeyer, Manfred; Stoffer, Remco; Wilkens, Ludger; Dötsch, Horst.

    Integrated Optics Devices V. ed. / Giancarlo C. Righini; Seppo Honkanen. Bellingham, WA : SPIE, 2001. p. 230-241 (Proceedings of SPIE; Vol. 4277).

    Research output: Chapter in Book/Report/Conference proceedingConference contributionAcademicpeer-review

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    N2 - A thick, bimodal segment of specific length and height between two single mode sections of a planar waveguide can serve as an integrated optical interferometer. It is realized by etching a wide strip form a guiding film. A vertically guided, laterally unguided beam of light is then made to traverse the strip perpendicularly. For a wide range of materials the structure can be dimensioned such that it shows the proper behavior of an interferometer: depending on the phase gain of the two modes in the thick region, the guided light interferes either almost completely destructively at the transition to the output segment, i.e. the power is radiated away into the substrate and cover regions, or constructively, i.e. most of the power passes the device. We believe that for certain applications structures of this kind can be a simple substitute for instruments like Mach-Zehnder interferometers or directional couplers. This is illustrated by two numerically simulated examples: A polarizer constructed from silicon based waveguides, which offers 30 dB polarization discrimination and 0.1 dB insertion loss with a total length of only 10 micrometers, and a proposal for an integrated magneto optic isolator experiment, where the freedom in the lateral direction can be exploited for a proper tuning of the device.

    AB - A thick, bimodal segment of specific length and height between two single mode sections of a planar waveguide can serve as an integrated optical interferometer. It is realized by etching a wide strip form a guiding film. A vertically guided, laterally unguided beam of light is then made to traverse the strip perpendicularly. For a wide range of materials the structure can be dimensioned such that it shows the proper behavior of an interferometer: depending on the phase gain of the two modes in the thick region, the guided light interferes either almost completely destructively at the transition to the output segment, i.e. the power is radiated away into the substrate and cover regions, or constructively, i.e. most of the power passes the device. We believe that for certain applications structures of this kind can be a simple substitute for instruments like Mach-Zehnder interferometers or directional couplers. This is illustrated by two numerically simulated examples: A polarizer constructed from silicon based waveguides, which offers 30 dB polarization discrimination and 0.1 dB insertion loss with a total length of only 10 micrometers, and a proposal for an integrated magneto optic isolator experiment, where the freedom in the lateral direction can be exploited for a proper tuning of the device.

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    BT - Integrated Optics Devices V

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    A2 - Honkanen, Seppo

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    Lohmeyer M, Stoffer R, Wilkens L, Dötsch H. Integrated optical cross strip interferometer. In Righini GC, Honkanen S, editors, Integrated Optics Devices V. Bellingham, WA: SPIE. 2001. p. 230-241. (Proceedings of SPIE). https://doi.org/10.1117/12.426799