TOKYO--(BUSINESS WIRE)--May 30, 2025--
Sevensix Inc. (Headquarters: Minato-ku, Tokyo; CEO: Yosuke Hane) is pleased to announce the full-scale launch of its proprietary optical frequency comb generator, Frush, in the U.S. market starting October 2025.
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Frush is a next-generation optical platform that enables the generation of optical frequency combs—essential for advanced optical communications, quantum optics, and precision spectroscopy—with remarkably simple operation. Designed for both research and industrial environments, Frush delivers exceptional reliability and repeatability. The system has already earned strong endorsements from leading universities and research institutions in Japan and abroad.
As part of the U.S. rollout, Sevensix is partnering with a nationwide network of distributors and technical support providers to ensure responsive local service. This structure is tailored to meet the rigorous reliability and support expectations of American researchers and engineers.
Optical Frequency Comb Generator “Frush”
Details: https://www.sevensix.co.jp/eng/products/frush/
Features
Frush is a highly reliable and robust EO-based optical comb generator that utilizes a single dual-drive Mach-Zehnder modulator combined with Sevensix’s proprietary auto-bias control system. With turnkey operation, Frush generates a stable optical frequency comb spectrum within just 10 seconds of startup.
Frush accepts two external signal sources—a narrow-linewidth laser and an RF signal generator—allowing users to fully leverage their existing equipment. This enables the generation of optical frequency combs with minimal initial investment and offers the flexibility to easily switch signal sources depending on the application or environment.
By passing the Frush output through a high-power EDFA and a highly nonlinear optical fiber, the optical comb spectrum can be broadened to several tens of nanometers and compressed to sub-picosecond pulse durations. Additionally, Frush enables advanced functionalities such as phase-locking two narrow-linewidth lasers separated by approximately 300 GHz. A wide range of upgrades is available to meet diverse application needs.
Specifications
Center wavelength: 1550 ± 20 nm
-20 dB spectral width: > 200 GHz
Average output power: > -5 dBm at 13 dBm optical input
Pulse duration: ≦ 6 ps (Compressed)
Comb spacing: 12 to 18 GHz (Factory default fixed)
Input/Output fiber port: FC/APC
Polarization: Linearly polarization is possible
Size H×W×D: 148×480×430 mm
Optical Frequency Comb Platform
RIO DE JANEIRO (AP) — A Brazilian Supreme Court Justice on Thursday ordered the transfer of former President Jair Bolsonaro from the federal police headquarters in Brasilia to a much bigger cell with an outside area in the Papuda Penitentiary Complex, also in the capital.
The transfer was described as a move to a facility with “more favorable conditions” for high-profile detainees.
Since November, Bolsonaro has been carrying out a 27-year prison sentence for attempting a coup despite his 2022 electoral defeat. His lawyers have been pushing for a transfer to house arrest on medical grounds.
Michelle Bolsonaro, his wife, and his sons have regularly said that Bolsonaro is being mistreated and not getting adequate medical attention.
In the court decision, Justice Alexandre de Moraes denied the accusations. “Regrettably and falsely, there has been a systematic attempt to delegitimize the regular and lawful execution of the custodial sentence of Jair Messias Bolsonaro, which has been carried out with full respect for human dignity."
Bolsonaro had been in a 12-square-meter room with a bed, a private bathroom, air conditioning, a TV set and a desk, and Moraes ordered Bolsonaro's transfer to an even more comfortable situation. He determined that Bolsonaro be transferred to a 54-square-meter room with a 10-square-meter outside area that he can access at will.
Following the transfer, Bolsonaro will also have increased time for family visits and physiotherapy equipment such as a treadmill and bicycle will be installed. The new area resembles an apartment, with a double bed, a kitchen, a laundry, a living room and an outdoor area.
The Supreme Court’s press office said the transfer had already happened.
Since starting his sentence, Bolsonaro has made several trips to a nearby hospital, most recently after falling out of bed and hitting his head.
Moraes decided that Bolsonaro can have “full assistance, 24 (twenty-four) hours a day, from previously registered private doctors, without the need for prior notification.”
Moraes also ordered a medical examination to assess Bolsonaro's health and determine whether he needs to be transferred to a penitentiary hospital.
Bolsonaro has been hospitalized multiple times since being stabbed at a campaign event before the 2018 presidential election.
The former president and several of his allies were convicted by a panel of Supreme Court justices for attempting to overthrow Brazil’s democracy following his 2022 election defeat.
The plot included plans to kill President Luiz Inácio Lula da Silva, Vice President Geraldo Alckmin and Justice de Moraes. The plan also involved encouraging an insurrection in early 2023.
The former president was also found guilty of charges including leading an armed criminal organization and attempting the violent abolition of the democratic rule of law.
Bolsonaro has always denied wrongdoing.
In Thursday’s court order, Moraes said that Bolsonaro was convicted of extremely serious crimes and that his custodial sentence was not a “hotel stay or a vacation colony” as statements from Bolsonaro’s sons’ cited in the decision “mistakenly seem to demand.”
FILE - Brazil's former President Jair Bolsonaro stands at the entrance of his home while he is under house arrest in Brasilia, Brazil, Sept. 2, 2025. (AP Photo/Luis Nova, File)
