CWDM transmit module for wavelength tuning and tracking
Abstract
A photonic integrated circuit (PIC) includes a semiconductor substrate with a main bus waveguide disposed within the substrate. Two or more ring lasers are disposed within the substrate and are optically coupled to the main bus waveguide. The ring lasers have a wavelength control mechanism allowing change of a lasers emitted wavelength. A wavelength selective filter is optically coupled to the bus waveguide. A control circuit is electronically coupled to each wavelength control mechanism, and the wavelength selective filter. The control circuit in conjunction with the selective filter allows monitoring of a ring laser's wavelength on the main bus waveguide. Based on a determined wavelength, the control circuit may change a ring laser wavelength to a desired wavelength to achieve a desired wavelength spacing for each of the ring lasers. The PIC may be integrated as a coarse wave-length division multiplexing (CWDM) transmit module.
- Inventors:
- Issue Date:
- Research Org.:
- Lawrence Livermore National Laboratory (LLNL), Livermore, CA (United States)
- Sponsoring Org.:
- USDOE
- OSTI Identifier:
- 1600384
- Patent Number(s):
- 10502900
- Application Number:
- 15/946,807
- Assignee:
- Hewlett-Packard Enterprise Development LP (Houston, TX)
- Patent Classifications (CPCs):
-
G - PHYSICS G02 - OPTICS G02B - OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
H - ELECTRICITY H01 - BASIC ELECTRIC ELEMENTS H01S - DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT
- DOE Contract Number:
- AC52-07NA27344
- Resource Type:
- Patent
- Resource Relation:
- Patent File Date: 04/06/2018
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
Citation Formats
Seyedi, Mir Ashkan, and Liang, Di. CWDM transmit module for wavelength tuning and tracking. United States: N. p., 2019.
Web.
Seyedi, Mir Ashkan, & Liang, Di. CWDM transmit module for wavelength tuning and tracking. United States.
Seyedi, Mir Ashkan, and Liang, Di. Tue .
"CWDM transmit module for wavelength tuning and tracking". United States. https://www.osti.gov/servlets/purl/1600384.
@article{osti_1600384,
title = {CWDM transmit module for wavelength tuning and tracking},
author = {Seyedi, Mir Ashkan and Liang, Di},
abstractNote = {A photonic integrated circuit (PIC) includes a semiconductor substrate with a main bus waveguide disposed within the substrate. Two or more ring lasers are disposed within the substrate and are optically coupled to the main bus waveguide. The ring lasers have a wavelength control mechanism allowing change of a lasers emitted wavelength. A wavelength selective filter is optically coupled to the bus waveguide. A control circuit is electronically coupled to each wavelength control mechanism, and the wavelength selective filter. The control circuit in conjunction with the selective filter allows monitoring of a ring laser's wavelength on the main bus waveguide. Based on a determined wavelength, the control circuit may change a ring laser wavelength to a desired wavelength to achieve a desired wavelength spacing for each of the ring lasers. The PIC may be integrated as a coarse wave-length division multiplexing (CWDM) transmit module.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Tue Dec 10 00:00:00 EST 2019},
month = {Tue Dec 10 00:00:00 EST 2019}
}
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