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11 March 1987 Directional Coupler Modulators Designed For Analog Modulation Of Large Signals At 810 nm
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Proceedings Volume 0720, High Bandwidth Analog Applications of Photonics; (1987) https://doi.org/10.1117/12.937604
Event: Cambridge Symposium-Fiber/LASE '86, 1986, Cambridge, MA, United States
Abstract
Directional coupler modulators (DCMs) have gained interest as a method of obtaining high-speed analog modulation of large signals and have the potential to overcome difficulties encountered with schemes that modulate the light source directly. Recording precise, high-bandwidth analog information above approximately 3 to 4 GHz requires a streak camera. Photocathode sensitivities are extremely low at 1300 nm, where the bulk of the DCM work has been done to date. We are, therefore, developing a DCM to operate at 810 nm and to approach bandwidths of approximately 15 GHz. We present measurements of a systematic parameter study of the optical coupling properties, the electro-optical transfer function, and the single-shot, pulsed, electro-optical response of these devices. We discuss applications to some high-speed diagnostic systems.
© (1987) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
F. Roeske, M. Feit, J. Fleck, D. Jander, B. Kidd, J. Koo, M. Lowry, G. McWright, and W. Tindall "Directional Coupler Modulators Designed For Analog Modulation Of Large Signals At 810 nm", Proc. SPIE 0720, High Bandwidth Analog Applications of Photonics, (11 March 1987); https://doi.org/10.1117/12.937604
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