{"schema_version":"1.0","canonical_url":"https://patentable.app/patents/US-9853739","patent":{"patent_number":"US-9853739","title":"Optical transmitter and method for controlling bias of optical modulator","assignee":null,"inventors":[],"filing_date":"2015-06-12T00:00:00.000Z","publication_date":"2017-12-26T00:00:00.000Z","cpc_codes":["H04B","G02F","G02F","H04B","G02F"],"num_claims":12,"abstract":"An optical transmitter includes: a mapper that generates an electric field information signal from transmission data; a phase rotation circuit that adds a phase rotation to the electric field information signal; a driver that generates a driving signal from the electric field information signal to which the phase rotation is added; a modulator that generates a modulated optical signal according to the driving signal; and a controller that controls a bias of the modulator according to a change in a carrier frequency of the modulated optical signal corresponding to the phase rotation that is added to the electric field information signal by the phase rotation circuit."},"analysis":{"summary":"The Optical Transmitter and Method for Controlling Bias of Optical Modulator patent introduces a dynamic bias control system for optical modulators, significantly enhancing the performance and efficiency of optical communication systems. The core innovation lies in its ability to continuously monitor and adjust the bias of the optical modulator based on changes in the carrier frequency of the modulated optical signal. This adaptive control mechanism addresses the problem of signal degradation and suboptimal performance caused by static bias settings in traditional optical transmitters.\n\nThe technology utilizes a phase rotation circuit to add a controlled phase shift to the electric field information signal, which is then used to drive the modulator. The controller monitors the carrier frequency changes induced by the phase rotation and adjusts the bias accordingly. This feedback loop ensures that the optical transmitter operates at its optimal performance point, regardless of environmental conditions or signal variations. The business value of this invention lies in its ability to improve signal quality, reduce bit error rates, and lower operating costs. The enhanced performance can lead to higher data rates, longer transmission distances, and increased network capacity.\n\nThe market opportunity for this technology is substantial, particularly in the telecommunications, data center, and fiber optic network sectors. As the demand for faster and more reliable data transmission continues to grow, the need for dynamic bias control systems will become increasingly critical. This patent offers a robust and reliable solution to this challenge, positioning it as a key enabler of future optical communication systems. Furthermore, the technology can be integrated into existing optical transmitters, providing a cost-effective upgrade path for network operators. The potential for licensing and commercialization of this patent is significant, offering a compelling investment opportunity for companies in the optical communication industry.","layman_explanation":"The Optical Transmitter and Method for Controlling Bias of Optical Modulator patent addresses a common problem in high-speed data transmission: maintaining the quality of the signal as it travels through optical fibers. Think of it like a garden hose – if the water pressure isn't just right, you don't get a strong, steady stream. Similarly, in optical communication, the 'bias' of the optical modulator needs to be precisely controlled to ensure a clear and reliable signal.\n\nThe existing solutions often fall short because they use fixed settings that don't adapt to changing conditions. These conditions could be temperature fluctuations, aging components, or variations in the signal itself. The result is signal degradation, which means slower data speeds and more errors.\n\nThis patent offers a solution by dynamically adjusting the bias of the optical modulator in real-time. It's like having a smart valve on the garden hose that automatically adjusts the water pressure to maintain a perfect stream. The system monitors the signal and makes tiny adjustments to the bias to keep the signal strong and clear. It achieves this by adding a small phase rotation to the signal and using the resulting changes to optimize the bias. This ensures that the optical transmitter is always operating at its peak performance.\n\nThis matters because it directly impacts the speed and reliability of data transmission. By maintaining a clear signal, this technology can significantly improve network performance, reduce errors, and lower operating costs. This has implications for everything from telecommunications to data centers, where high-speed, reliable data transmission is critical. The market impact is substantial, as it addresses a fundamental challenge in optical communication. The competitive advantage lies in its ability to dynamically adapt to changing conditions, providing superior performance compared to existing solutions. This offers potential ROI and business value through increased network capacity and reduced maintenance costs.\n\nLooking ahead, this technology could be further developed to support even higher data rates and longer transmission distances. Market adoption is likely to increase as the demand for bandwidth continues to grow. From an investment perspective, this patent represents a valuable asset in the optical communication space, with the potential for significant returns.","technical_analysis":"The Optical Transmitter and Method for Controlling Bias of Optical Modulator patent presents a sophisticated technical solution to the problem of maintaining optimal bias in optical modulators. The system leverages a phase rotation circuit, a driver, a modulator, and a controller working in concert to achieve dynamic bias control. The technical architecture is designed to continuously monitor and adjust the bias of the modulator based on changes in the carrier frequency of the modulated optical signal.\n\nThe implementation details of this technology involve careful consideration of several factors. The phase rotation circuit must be designed to introduce a precise and controlled phase shift without introducing significant distortion. The driver must be capable of generating a high-quality driving signal for the modulator. The modulator must be capable of operating at high speeds with low insertion loss and high extinction ratio. The controller must implement a robust feedback loop to ensure stability and fast response time.\n\nThe algorithm specifics of the controller's feedback loop are crucial to the performance of the system. The controller must be able to accurately estimate the optimal bias point based on the carrier frequency changes and adjust the bias accordingly. The feedback loop must be designed to avoid oscillations and ensure that the system converges to the optimal bias point quickly. The integration patterns of this technology involve retrofitting existing optical transmitters with the new dynamic bias control system. This requires careful consideration of the existing hardware and software infrastructure. The performance characteristics of the system are significantly improved compared to traditional static bias settings. The dynamic bias control system can reduce bit error rates, increase signal quality, and lower operating costs.\n\nThe code-level implications of this technology involve implementing the controller's feedback loop in software or hardware. The code must be efficient and reliable to ensure that the system operates correctly. The software or hardware implementation must be carefully tested and validated to ensure that it meets the performance requirements. The system architecture is designed to be modular and scalable, allowing it to be adapted to different types of optical transmitters and modulators. This flexibility makes the technology well-suited for a wide range of applications, including telecommunications, data centers, and fiber optic networks.","business_analysis":"The Optical Transmitter and Method for Controlling Bias of Optical Modulator patent represents a significant business opportunity in the rapidly growing optical communication market. The market opportunity size is substantial, driven by the increasing demand for faster and more reliable data transmission. The telecommunications, data center, and fiber optic network sectors are all experiencing rapid growth, creating a large and growing market for dynamic bias control systems.\n\nThe competitive advantages of this technology include its ability to improve signal quality, reduce bit error rates, and lower operating costs. These advantages translate into tangible business benefits for network operators, such as increased network capacity, improved reliability, and reduced operating expenses. The revenue potential of this technology is significant, driven by the potential for licensing, product sales, and service contracts. The business models that can be employed include licensing the patent to optical transmitter manufacturers, selling integrated dynamic bias control systems, and providing maintenance and support services.\n\nThe strategic positioning of this technology is strong, as it addresses a critical challenge in the optical communication market. The technology can be positioned as a key enabler of future optical communication systems, offering a cost-effective upgrade path for existing networks. The ROI projections for this technology are compelling, driven by the potential for increased revenue and reduced operating costs. The investment required to commercialize this technology is relatively low, making it an attractive investment opportunity for companies in the optical communication industry. The potential for market disruption is significant, as this technology can fundamentally change the way optical transmitters are designed and operated. The technology can enable new applications and services that were previously not possible due to the limitations of traditional static bias settings.","faqs":null,"topics":["optical transmitter","bias control","optical modulator","fiber optic","data transmission"],"tech_cluster":null},"seo":{"title":"Optical Transmitter and Method for Controlling Bias of Optical Modulator - Patent US-9853739","description":"Explore the Optical Transmitter and Method for Controlling Bias of Optical Modulator patent, improving optical modulator bias control for enhanced signal quality and reduced bit error rates.","keywords":["optical transmitter","bias control","optical modulator","fiber optic","data transmission","signal quality","bit error rate","patent US-9853739"]},"attribution":{"source":"Patentable","source_url":"https://patentable.app","canonical_url":"https://patentable.app/patents/US-9853739","license":"CC-BY-4.0-like","license_terms":"AI-generated analysis on this page (summary, layman_explanation, technical_analysis, business_analysis, faqs) may be reused with attribution and a visible link back to the canonical URL above. Patent abstracts, claims, and bibliographic data are USPTO public domain.","required_link":"https://patentable.app/patents/US-9853739","citation_suggestion":"Patentable. \"Optical transmitter and method for controlling bias of optical modulator\" (US-9853739). https://patentable.app/patents/US-9853739","copyright_holder":"Nomic Interactive Technology LLC"},"links":{"html":"https://patentable.app/patents/US-9853739","json":"https://patentable.app/api/llm-context/US-9853739","site":"https://patentable.app","llms_txt":"https://patentable.app/llms.txt"},"generated_at":"2026-06-06T06:37:06.716Z"}