Fiber Optic Components & Systems Articles

Corning demonstrates 13,288 km, 40-channel fiber-optic transmission

Fri, 11 May 2012 17:40:00 GMT

A group at Corning Incorporated has demonstrated ultralong-haul fiber-optic transmission spanning more than 10,000 km in two different experiments—both of which involve 112 Gbit/s non-return-to-zero polarization-multiplexed quadrature phase-shift keying (NRZ-PM-QPSK) signals; 40 channels; all-Raman amplification; and ultralow-loss, large-effective-area optical fibers.

Lock-in amplifier from Zurich Instruments demodulates signals of up to 600 MHz

Fri, 04 May 2012 21:21:00 GMT

The UHFLI (ultrahigh frequency lock-in amplifier) demodulates signals of up to 600 MHz using fully digital signal processing, while providing 100 dB dynamic reserve over the entire frequency range.

OPTICAL FIBER AMPLIFIERS: Few-mode fiber amplifiers assist spatial-division multiplexing

Fri, 04 May 2012 20:57:00 GMT

Researchers at CREOL—The College of Optics & Photonics at the University of Central Florida—and NEC Laboratories America have developed a method for controlling modal gain in a few-mode erbium-doped fiber amplifier (FM-EDFA) to expand the viability of mode-division-multiplexed optical communications networks.

NASA laser communications satellite payload contract awarded to Loral

Fri, 04 May 2012 18:59:00 GMT

Washington, DC--NASA awarded $3 million to Space System/Loral to host a space laser communications relay demonstration terminal payload aboard a Loral commercial satellite.

Chiral Photonics pitch-reducing optical fiber array features a monolithic glass structure

Wed, 02 May 2012 20:01:00 GMT

A 2D pitch-reducing optical fiber array (PROFA) bridges from/to singlemode or multimode optical fibers and dense PIC-based VCSELs, receivers, or vertically coupled gratings.

Photonic integrated circuit development in Russia part of NeoPhotonics' investment proceeds

Tue, 01 May 2012 20:59:00 GMT

San Jose, CA--NeoPhotonics Corporation received a $39.8 million dollar investment from RUSNANO and plans to use a portion of the proceeds to establish design and production capabilities in Russia by mid 2014.

CLEO/Laser Focus World 2012 Innovation Awards

Tue, 01 May 2012 05:00:00 GMT

The 2012 CLEO/Laser Focus World Innovation Awards program is designed to honor the most timely, groundbreaking products in the field of photonics and laser science. The awards are sponsored by Laser Focus World and the Conference on Lasers and Electro Optics (CLEO).

NONLINEAR OPTICS: PPLN upconversion advances single-photon detection

Tue, 01 May 2012 05:00:00 GMT

Long-wavelength pumped, periodically poled lithium niobate waveguides upconvert single photons, allowing efficient, low-noise silicon avalanche photodiodes to detect the signal.

CLEO show to move to June in 2013

Thu, 26 Apr 2012 15:16:00 GMT

Washington, DC--Next year's Conference on Lasers and Electro-Optics (CLEO), held annually in San Jose, CA, will take place in June rather than its usual May, moving to June 9–14, 2013.

US military awards Nufern contracts for fiber laser amplifiers

Fri, 13 Apr 2012 19:38:00 GMT

East Granby, CT--Nufern has been awarded multiple contracts on competitively-bid programs to build a total of 46 compact, >1 KW fiber amplifiers in support of multiple government laser efforts.

Fiber couplers from Phoenix Photonics are built on singlemode fiber

Wed, 11 Apr 2012 14:18:00 GMT

Fiber couplers that operate at 2 µm are built on singlemode fiber and come in 2 × 2, tap, and cascaded configurations.

Kotura, Nissho Electronics ink Japanese distribution agreement

Tue, 03 Apr 2012 20:47:00 GMT

Monterey Park, CA, and Tokyo, Japan--Silicon photonics technology developer Kotura and high-tech Japanese distributor Nissho Electronics have signed a distribution agreement where Nissho will distribute Kotura's entire suite of integrated silicon photonic solutions.

TELECOMMUNICATIONS: Fiber cables to span the Arctic Ocean

Mon, 02 Apr 2012 14:52:00 GMT

The demand for better connections between Tokyo and London is driving construction of the first submarine fiber-optic cables to span the Arctic Ocean.

BioPhotonic Solutions wins 2012 CLEO/Laser Focus World Innovation Award

Mon, 02 Apr 2012 13:00:00 GMT

Washington, DC--BioPhotonic Solutions is the winner of this year's CLEO/Laser Focus World Innovation Award.

The Photonics Lifestyle

Sun, 01 Apr 2012 16:11:00 GMT

Education and fashion are two sometimes related topics of interest to the general public and—as we show in this issue—the photonics community.

OPTICAL FIBERS: High-speed electronics are built into fiber

Thu, 29 Mar 2012 14:24:00 GMT

A technique to deposit precisely doped semiconductor materials into microstructured optical fibers (MOFs) is coming of age, demonstrated by gigahertz-bandwidth photodetectors built directly into a fiber.

III-V laser on silicon chip has micro-loop mirror

Wed, 28 Mar 2012 21:39:00 GMT

Singapore--A group at the A*STAR Data Storage Institute has fabricated electrically pumped III-V semiconductor lasers and novel cavity mirrors on top of silicon chips -- a step forward for optical data interconnects

Citing growth opportunities Oclaro and Opnext will merge

Tue, 27 Mar 2012 19:15:00 GMT

San Jose, CA--Oclaro and Opnext have entered into a definitive agreement to merge in an all-stock transaction. Opnext shareholders will receive a fixed ratio of 0.42 shares of Oclaro common stock for every share of Opnext common stock they own.

Yenista Optics tunable filters feature bandwidth down to 4 GHz

Mon, 26 Mar 2012 14:48:00 GMT

Meeting the needs of 100 Gbit/s transmission systems, the XTM-50 and XTA-50 flat-top optical tunable filters feature an ultrafine option to reduce minimum bandwidth to 4 GHz at 1550 nm.

Tunable laser on silicon demonstrated by CEA-Leti and III-V lab

Tue, 20 Mar 2012 13:32:00 GMT

Grenoble, France--CEA-Leti and III-V lab have demonstrated an integrated tunable transmitter on silicon (Si) for the first time.