How did Viavi Solutions' revenue and expenses trend in Q2 2025?

**Viavi Solutions' revenue showed significant growth in Q2 2025**, with various business segments contributing to the overall increase. However, details about the company's gross margin, R&D expenses, and SG&A expenses for the quarter are not available.

1. **Revenue by Business Segment**:
- The company's Network and Service Enablement segment generated $159.4 million, Network Enablement alone contributed $141.6 million, Optical Security and Performance Products brought in $78.8 million, Service Enablement earned $17.8 million, and Corporate and Other segments reported $0.
- The most notable growth was seen in the Network and Service Enablement segment, which saw a substantial year-over-year revenue increase. This segment's revenue grew by 22.6% year-over-year to $208.2 million, with operating margin improving dramatically to 10.4%, a 1,220 basis point increase from the prior year.
- The Network Enablement subsegment, which is part of the Network and Service Enablement segment, grew by 23.9% year-over-year, driven by strong demand from network equipment manufacturers.
2. **Gross Margin, R&D, and SG&A Expenses**:
- No data is available regarding Viavi Solutions' gross margin, R&D expenses, and SG&A expenses for Q2 2025.
- However, the company's third-quarter financial statements show a significant year-over-year revenue increase of 15.8% to $284.8 million and a remarkable improvement in operating margin to 16.7%, up 7.4% from the previous year.
- The absence of Q2 data makes it difficult to assess the seasonality or trends in these areas, but the available Q3 data indicates substantial improvements in revenue and operating margin.

In conclusion, Viavi Solutions experienced robust revenue growth in Q2 2025, driven primarily by the Network and Service Enablement segment. However, specific details about the company's cost management and expense trends for the quarter are not currently available.