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2. Silicon photonics - Wikipedia

   en.wikipedia.org/wiki/Silicon_photonics

   The majority of silicon photonic communications have so far been limited to telecom [31] and datacom applications, [32] [33] where the reach is of several kilometers or several meters respectively. Silicon photonics, however, is expected to play a significant role in computercom as well, where optical links have a reach in the centimeter to ...

3. Ring (company) - Wikipedia

   en.wikipedia.org/wiki/Ring_(company)

   A second-generation model, Ring Doorbell 2, was released in 2017, with updated hardware and a 1080p camera with improved low-light performance, that does not rely solely on Wi-Fi, unlike the original model. [44] The Ring Doorbell Pro interoperates with Amazon Alexa to play prerecorded greetings to visitors and allow visitors to leave a message ...

4. Microoptoelectromechanical systems - Wikipedia

   en.wikipedia.org/wiki/Microoptoelectromechanical...

   In 1993, Dr. Motamedi officially introduced MOEMS for the first time, as the powerful combination of MEMS and micro-optics, in an invited talk at the SPIE Critical Reviews of Optical Science and Technology conference in San Diego. In this talk Dr. Motamedi introduced the figure below, for showing that MOEMS is the interaction of three major ...

5. Optoelectronics - Wikipedia

   en.wikipedia.org/wiki/Optoelectronics

   Electronic light sensors. Optoelectronics (or optronics) is the study and application of electronic devices and systems that find, detect and control light, usually considered a sub-field of photonics.

6. Smart doorbell - Wikipedia

   en.wikipedia.org/wiki/Smart_doorbell

   A smart doorbell is an internet-connected doorbell that notifies the home owner on his or her device (smartphone or any other gadget) when a visitor arrives at the door. It activates when the visitor presses the button of the doorbell, or alternatively, when the doorbell senses a visitor with its built-in motion sensors. The smart doorbell lets ...

7. Optical wireless communications - Wikipedia

   en.wikipedia.org/wiki/Optical_Wireless...

   Optical wireless communications (OWC) is a form of optical communication in which unguided light is used "in the air" (or in outer space), without an optical fiber. Visible , infrared (IR), or ultraviolet (UV) light is used to carry a wireless signal.