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Development of Low-Drive-Voltage Silicon Optical Modulator
Attention is now being focused on silicon photonics, a technology that promotes the miniaturization and performance of optical communication components and allows high-density integration of multiple optical components on a silicon substrate. In addition, silicon photonics is expected to reduce costs of optical components by applying the semiconductor manufacturing process well-developed for mass production of electric devices. Fujikura uses the technology to develop a silicon optical modulator, which converts electrical signals into optical signals.Figure 1 shows a silicon optical modulator chip fabricated on an 8-inch silicon wafer. The chip accommodates an modulating part in which the intensity and phase of light are changed by the electrical signals traveling along with the light. The newly designed modulating part reduced the driving voltage to 3 V or lower, which is compatible with the conventional optical modulator using a ferroelectric material, lithium niobate (LN). The modulating part is merely 3 mm long, one tenth of that of the LN optical modulators. Since the silicon optical modulator also has stable characteristics in wavelength and temperature, it can operate at a broad wavelength range of C and L bands＊2 and high temperature up to 130 ℃ without using a cooling system, such as TEC＊1. (Fig.2 intensity-modulated waveform at room temperature and 130 ℃)We will further integrate optical parts on the basis of the silicon modulator and put new products to practical use for optical networks, data centers and automobiles.
Commercialization of Japan's First 500 W CW Air-cooled Single-mode Fiber Laser
Fujikura has developed and released a 500 W CW (continuous wave) air-cooled single-mode fiber laser for the first time in Japan. Currently, needs for micromachining are rapidly increasing for secondary cells or fuel cells of smartphones or increasingly computerized vehicles. This fiber laser has 500 W maximum output power, which was increased from 300 W, and substantially increased anti-reflection performance by applying our own technology obtained through the development of air-cooled high-power fiber lasers to air-cooled fiber lasers. This allows the irradiation of light from right down on metal of high reflectivity, such as aluminum alloy, deep penetration welding at high speed and fine cutting due to high light concentrating characteristic of the single mode. We will strive to supply new solutions to meet various customer needs.
Advanced Technology Laboratory [email protected]
Fiber Laser Division f [email protected]
Fig.1 Silicon optical modulator chip
Fig.2 10 Gbps intensity-modulated waveform at each temperature
CEATEC JAPAN 2016
Fujikura will be exhibiting at CEATEC JAPAN 2016 in October 2016. From this year, CEATEC JAPAN regards the appearance of CPS/IoT as a new industrial revolution and provides a place for visitors to experience how CPS/IoT strengthen ties that bind us together and create new future together. The theme for 2016 is "Connecting Society, Creating the Future." To show how Fujikura's "Tsunagu Technology" contributes to society, we displayed our products in four sections, called "technology connecting to future", "technology to protect earth", "technology connecting the world together" and "technology connecting people and their lives." These products will display how our technology contribute to our lives in a wide range from social infrastructure to mobile devices. We look forward to seeing you at our booth.
＊1 TEC:Thermoelectric cooler＊2 C and L bands：Wavelength bands used for fiber optic communication
26 ℃ (room temperature) 130 ℃
8-inch silicon wafer
electrode electrodemodulating part
3 mm
electric signaloptical signal
Corporate R&D Planning Division [email protected]
October 4 (Tue) - 7(Fri）, 2016,10:00 a.m. - 5:00 p.m.IPS/IoT Technology & Software Area (Fujikura booth 5C67) Hall 5, Makuhari Messe
Dates and times
Venue
Tele-communi-cations
Exhibition
Development of Low-Drive-Voltage Development of Low-Drive-Voltage Development of Low-Drive-Voltage Silicon Optical Modulator
R&D
Fujikura News
88
2016 No.421
Development of Low-Drive-Voltage Development of Low-Drive-Voltage Development of Low-Drive-Voltage Development of Low-Drive-Voltage
Fujikura News“Tsunagu” Technology New Product News
Fujikura Ltd.1-5-1, Kiba, Koto-ku, Tokyo, Japan 135-8512TEL. +81（0）3 5606 1112 FAX. +81（0）3 5606 1501Issue : August 2016, No. 421 Editor in Chief : Keisuke Okamurahttp://www.fujikura.co.jp
Sales Support & Branch Off ice Management DepartmentKansai Off iceChubu Off iceTohoku Off iceKyushu Off ice
+81(0)3 5606 1095+81(0)6 6364 0373+81(0)52 212 1880+81(0)22 266 3344+81(0)92 291 6126
2016
8
Fujikura News
Fujikura has developed, manufactured and sold press-fit contacts mainly for use in communication devices for more than 20 years. Currently, the press-fit technology has begun to be used for automotive and FA uses from Europe. The maximum operating temperature for press-fit contacts is 85 ℃ for communication use, 125 ℃ for FA or automotive use (85 ℃ for some automotive interior use). We have developed a high-reliability press-fit contact for use at a temperature of 125 ℃. The top advantage of press-fit technology is that the contact can be connected to a PCB substrate without solder. Demand for solderless connection to the substrates of ECU (electronic control unit) or to those of power supply control units, such as converters and inverters, are growing in the automotive and the FA field. The reason is to avoid heat of solder applied to semiconducting ICs or sensors, which have been mounted on PCB substrates.
Reliability is the first priority of the products for automotive or FA use. Fujikura designs press-fit contact jointly with our customers according to their reguirement from prototypes to mass-produces.
Development of Press-fit Contact for Automotive and FA Uses
Product Development Division of Connector [email protected]
Fujikura's intrusion detection system (IDS), which has been commercially available since 2005, has features of covering wide ranges from 200 m to 5 km alone and being resistant to lightning. These products play an role to improve security of nearly 200 important facilities, such as ports, plants and solar power generators as of April 2016. We have started expansion of our IDS market in Malaysia, where needs for security at important facilities have been growing than ever before. The first step was to construct a demo system inside a facility of Fujikura Federal Cable (FFC) Sdn. Bhd. in Penang Province, Malaysia. This boundary intrusion detection system is put on permanent display there and combines an optical fiber intrusion detection system and a surveillance camera system. The system serves to demonstrate its validity and uses an extendable system configuration to meet customer requirements in the future. The system has received favorable reviews from customers who were considering introduction of the system. We will not only focus the market in Malaysia but expand our target in other ASEAN countries with our partner.
Start of Expanding Intrusion Detection System into Foreign Market
Major features
■ Solderless connection
■ Lower cost due to reduction of solder connection process
■ Wide operating temperature range: from -40 ℃ to 125 ℃
■ Signal terminals and power supply terminals available (approximately up to 50 A)
■ Either of press-fit contact or module (press-fit insertion) available
Press-fit principle
System at work
Overview of intrusion detection system
Cable installation
Image diagram of press-fit module
Kinds of press-fit contactShape
Series
Through-hole diameter (mm)
Thickness of PCB substrate (mm)
Plating (press-fit contact)
PCB coating
picture
Cross-sectional view(press-fit)
Cross-sectional view (after insertion of press-fit)
Needle eye
PF-MP02
φ1.0
1.6
Sn reflow
OSP (Organicsolderabilitypreservative)or Sn plating
PF-AK01
φ1.2
1.6
Sn reflow
OSP (Organicsolderabilitypreservative)or Sn plating
PF-MP01
φ2.2
1.6
Sn reflow
OSP (Organicsolderabilitypreservative)or Sn plating
Power System EPC Division [email protected]
Insertion
Through-hole
PCB substrate
Display monitor
Camera controller
PC for control
Vibrationdetector
Closure
Sensor cable (optical fiber)
Installation on barbed wire entanglement on top of fence
Temporarily built fenceIP surveillance camera
Approach cable (optical fiber)
Applications: ECU, Power module, EPS (electric power steering), sensor module
Tele-communi-cations
Development of Press-fit Contact for Automotive and FA Uses
Electro-nics
Fujikura News
Fujikura has developed, manufactured and sold press-fit contacts mainly for use in communication devices for more than 20 years. Currently, the press-fit technology has begun to be used for automotive and FA uses from Europe. The maximum operating temperature for press-fit contacts is 85 ℃ for communication use, 125 ℃ for FA or automotive use (85 ℃ for some automotive interior use). We have developed a high-reliability press-fit contact for use at a temperature of 125 ℃. The top advantage of press-fit technology is that the contact can be connected to a PCB substrate without solder. Demand for solderless connection to the substrates of ECU (electronic control unit) or to those of power supply control units, such as converters and inverters, are growing in the automotive and the FA field. The reason is to avoid heat of solder applied to semiconducting ICs or sensors, which have been mounted on PCB substrates.
Reliability is the first priority of the products for automotive or FA use. Fujikura designs press-fit contact jointly with our customers according to their reguirement from prototypes to mass-produces.
Development of Press-fit Contact for Automotive and FA Uses
Product Development Division of Connector [email protected]
Fujikura's intrusion detection system (IDS), which has been commercially available since 2005, has features of covering wide ranges from 200 m to 5 km alone and being resistant to lightning. These products play an role to improve security of nearly 200 important facilities, such as ports, plants and solar power generators as of April 2016. We have started expansion of our IDS market in Malaysia, where needs for security at important facilities have been growing than ever before. The first step was to construct a demo system inside a facility of Fujikura Federal Cable (FFC) Sdn. Bhd. in Penang Province, Malaysia. This boundary intrusion detection system is put on permanent display there and combines an optical fiber intrusion detection system and a surveillance camera system. The system serves to demonstrate its validity and uses an extendable system configuration to meet customer requirements in the future. The system has received favorable reviews from customers who were considering introduction of the system. We will not only focus the market in Malaysia but expand our target in other ASEAN countries with our partner.
Start of Expanding Intrusion Detection System into Foreign Market
Major features
■ Solderless connection
■ Lower cost due to reduction of solder connection process
■ Wide operating temperature range: from -40 ℃ to 125 ℃
■ Signal terminals and power supply terminals available (approximately up to 50 A)
■ Either of press-fit contact or module (press-fit insertion) available
Press-fit principle
System at work
Overview of intrusion detection system
Cable installation
Image diagram of press-fit module
Kinds of press-fit contactShape
Series
Through-hole diameter (mm)
Thickness of PCB substrate (mm)
Plating (press-fit contact)
PCB coating
picture
Cross-sectional view(press-fit)
Cross-sectional view (after insertion of press-fit)
Needle eye
PF-MP02
φ1.0
1.6
Sn reflow
OSP (Organicsolderabilitypreservative)or Sn plating
PF-AK01
φ1.2
1.6
Sn reflow
OSP (Organicsolderabilitypreservative)or Sn plating
PF-MP01
φ2.2
1.6
Sn reflow
OSP (Organicsolderabilitypreservative)or Sn plating
Power System EPC Division [email protected]
Insertion
Through-hole
PCB substrate
Display monitor
Camera controller
PC for control
Vibrationdetector
Closure
Sensor cable (optical fiber)
Installation on barbed wire entanglement on top of fence
Temporarily built fenceIP surveillance camera
Approach cable (optical fiber)
Applications: ECU, Power module, EPS (electric power steering), sensor module
Start of Expanding Intrusion Detection System into Foreign Market
Tele-communi-cations
Electro-nics
Development of Low-Drive-Voltage Silicon Optical Modulator
Attention is now being focused on silicon photonics, a technology that promotes the miniaturization and performance of optical communication components and allows high-density integration of multiple optical components on a silicon substrate. In addition, silicon photonics is expected to reduce costs of optical components by applying the semiconductor manufacturing process well-developed for mass production of electric devices. Fujikura uses the technology to develop a silicon optical modulator, which converts electrical signals into optical signals.Figure 1 shows a silicon optical modulator chip fabricated on an 8-inch silicon wafer. The chip accommodates an modulating part in which the intensity and phase of light are changed by the electrical signals traveling along with the light. The newly designed modulating part reduced the driving voltage to 3 V or lower, which is compatible with the conventional optical modulator using a ferroelectric material, lithium niobate (LN). The modulating part is merely 3 mm long, one tenth of that of the LN optical modulators. Since the silicon optical modulator also has stable characteristics in wavelength and temperature, it can operate at a broad wavelength range of C and L bands＊2 and high temperature up to 130 ℃ without using a cooling system, such as TEC＊1. (Fig.2 intensity-modulated waveform at room temperature and 130 ℃)We will further integrate optical parts on the basis of the silicon modulator and put new products to practical use for optical networks, data centers and automobiles.
Commercialization of Japan's First 500 W CW Air-cooled Single-mode Fiber Laser
Fujikura has developed and released a 500 W CW (continuous wave) air-cooled single-mode fiber laser for the first time in Japan. Currently, needs for micromachining are rapidly increasing for secondary cells or fuel cells of smartphones or increasingly computerized vehicles. This fiber laser has 500 W maximum output power, which was increased from 300 W, and substantially increased anti-reflection performance by applying our own technology obtained through the development of air-cooled high-power fiber lasers to air-cooled fiber lasers. This allows the irradiation of light from right down on metal of high reflectivity, such as aluminum alloy, deep penetration welding at high speed and fine cutting due to high light concentrating characteristic of the single mode. We will strive to supply new solutions to meet various customer needs.
Advanced Technology Laboratory [email protected]
Fiber Laser Division f [email protected]
Fig.1 Silicon optical modulator chip
Fig.2 10 Gbps intensity-modulated waveform at each temperature
CEATEC JAPAN 2016
Fujikura will be exhibiting at CEATEC JAPAN 2016 in October 2016. From this year, CEATEC JAPAN regards the appearance of CPS/IoT as a new industrial revolution and provides a place for visitors to experience how CPS/IoT strengthen ties that bind us together and create new future together. The theme for 2016 is "Connecting Society, Creating the Future." To show how Fujikura's "Tsunagu Technology" contributes to society, we displayed our products in four sections, called "technology connecting to future", "technology to protect earth", "technology connecting the world together" and "technology connecting people and their lives." These products will display how our technology contribute to our lives in a wide range from social infrastructure to mobile devices. We look forward to seeing you at our booth.
＊1 TEC:Thermoelectric cooler＊2 C and L bands：Wavelength bands used for fiber optic communication
26 ℃ (room temperature) 130 ℃
8-inch silicon wafer
electrode electrodemodulating part
3 mm
electric signaloptical signal
Corporate R&D Planning Division [email protected]
October 4 (Tue) - 7(Fri）, 2016,10:00 a.m. - 5:00 p.m.IPS/IoT Technology & Software Area (Fujikura booth 5C67) Hall 5, Makuhari Messe
Dates and times
Venue
Commercialization of Japan's First 500 W CWCommercialization of Japan's First 500 W CWCommercialization of Japan's First 500 W CWCommercialization of Japan's First 500 W CWAir-cooled Single-mode Fiber Laser
Tele-communi-cations
Dates and
Exhibition
R&D
Fujikura News
8
2016 No.421Fujikura News
“Tsunagu” Technology New Product News
Fujikura Ltd.1-5-1, Kiba, Koto-ku, Tokyo, Japan 135-8512TEL. +81（0）3 5606 1112 FAX. +81（0）3 5606 1501Issue : August 2016, No. 421 Editor in Chief : Keisuke Okamurahttp://www.fujikura.co.jp
Sales Support & Branch Off ice Management DepartmentKansai Off iceChubu Off iceTohoku Off iceKyushu Off ice
+81(0)3 5606 1095+81(0)6 6364 0373+81(0)52 212 1880+81(0)22 266 3344+81(0)92 291 6126
2016
8