All-Fiber High-Speed Highly-Wavelength-Selective Switch for Wavelength-Division- Multiplexed Self-Routed Photonic Networks

Award Information
Agency:
Department of Defense
Branch
Defense Advanced Research Projects Agency
Amount:
$98,996.00
Award Year:
1996
Program:
SBIR
Phase:
Phase I
Contract:
n/a
Award Id:
32495
Agency Tracking Number:
32495
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
1778 Fordham Way, Mountain View, CA, 94040
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
Behzad Moslehi
(415) 967-4107
Business Contact:
() -
Research Institution:
n/a
Abstract
Intelligent Fiber Optics Systems (IFOS) proposes a new approach for development of a light-weight, compact, in-line, all-fiber tunable optical filter (TOF) as a wavelength-selective switch with low-voltage, high-resolution and ultra-high-speed tunability for wavelength demultiplexing and optical spectral selection. The integrated structure is based on an IFOS proprietary combination of simply implemented potentially low-cost technologies: (1) Side-Removed Fibers (SRF), (2) Active Optical Polymer (AOP) Overlays, (3) Single-Mode Fibers (SMFs) and Dual-Mode Fibers (DMFs), and (4) Intra-Core Fiber Gratings (ICFGs). The SRF/AOP and SMF/AOP/DMF combinations form asymmetric couplers whose transmission can be made particularly wavelength selective via judicious parameter choices. This feature is enhanced by ICFGs. Tuning is via the AOP nonlinearity. Phase I objectives are to: (1) make use of IFO's extensive lightguide modeling and analysis capabilities to design an electro-optically tunable fiber-optic filter to satisfy the requirements and predict its performance, (2) implement a feasibility prototype demonstrating the effect of parameter choice on wavelength response and tunability, and (3) characterize the TOF behavior (tuning speed, tuning range, resolution, insertion loss) with consideration of the end-user requirements. First generation IFOS TOFs will allow optical network signal selection/routing with minimal local optical power. All-optical versions will enable self-routing.

* information listed above is at the time of submission.

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