The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
Compact, tunable, low-power consumption coupled-cavity lasers are designed and experimentally demonstrated. Single-mode operation with an SMSR >24 dB and >11 nm tuning range are achieved, being suitable as on-chip local oscillators in low-power integrated optical coherent receivers.
A power-efficient and highly-integrated photonic system, producing low phase-noise coherent optical signal with a wavelength range of 23 nm in the C-band, is presented. The system includes novel InP-photonic integrated coherent receiver circuits that consume record-low (approximately 184 mW) electrical power.
An InP-based photonic integrated circuit was demonstrated for offset locking an on-chip broadly tunable laser to a heterogeneously integrated optical frequency comb oscillator based on a crystalline whispering gallery mode resonator. Optical tuning within 60nm band is demonstrated. The locked laser has excellent spectral purity, sub-kHz linewidth, and good frequency stability.
A chip-scale heterodyne optical phase-locked loop, consuming only 1.3 W of electrical power, with a maximum offset locking frequency of 17.4 GHz is demonstrated. The InP-based photonic integrated receiver circuit consumes only 166 mW.
Many new and exciting avionic sensing and surveillance systems are demanding more and more bandwidth to share data between onboard systems [1]. Most of these systems rely on high speed electrical transmission lines that are heavy, bulky, sensitive to EMI and increasingly unable to cope with the very high bandwidths required for large data handling. Traditional ground based telecommunications have...
We report on the development of tapered diode lasers based on the InGaAsP material system and operating around 1550 nm for free-space optical communication. By combining a high efficiency epitaxial design with an innovative tapered amplifiers, a record 45% power wallplug efficiency is achieved with a maximum output >1 watt.
We report on the development of 980 nm diode lasers operating with high efficiency and which show little change in performance as the liquid coolant temperature increases from 20 to 50 °C. These results are enabled by the application of a novel jet impingement cooling approach.
High-power high linearity photodetectors are desirable for applications that require high spurious free dynamic range (SFDR), such as a receive mode antenna employing a photonic link. Both the output third order (OIP3) and output second order intercept point (OIP2) of the photodetector can cause a reduction in SFDR, where OIP3 is of concern for distortion close to the fundamentals [1] and OIP2 for...
Modern aircraft utilize electrical connections and signals for transport of all flight-critical information. Traditionally, all avionic subsystems were connected using point-to-point duplex links, which increase the weight and complexity of the aircraft wiring, as well as complicate upgrades with new systems and services. More recently, networking technologies like Avionics Full-Duplex Switched Ethernet...
For the first time, an integrated photonic phase-sensitive amplifier is reported. Approximately 6.3 dB extinction of on-chip phase-sensitive gain based on a signal-degenerate dual pump four-wave mixing architecture has been achieved.
The first AVFOP was held in 2004, as a result of a U.S. government and industry consensus championing a standalone fiber optics and photonics conference dedicated to the field of avionics. In recent years, the aerospace, land, and sea vehicle industries have made great strides deploying fiber optics and photonics technology on commercial and military platforms. This trend will continue to grow as...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.